[Event "Moscow-Wch"]
[Site "Moscow-Wch"]
[Date "1966.01.11"]
[EventDate "?"]
[Round "10"]
[Result "1-0"]
[White "Petrosian"]
[Black "Boris Spassky"]
[ECO "E63"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "59"]

1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. Bg2 O-O 5. O-O Nc6 6. Nc3 d6
7. d4 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 e5 11. b3 Ng4 12. e4 f5
13. exf5 gxf5 14. Nd1 b5 15. f3 e4 16. Bb2 exf3 17. Bxf3 Bxb2
18. Qxb2 Ne5 19. Be2 f4 20. gxf4 Bh3 21. Ne3 Bxf1 22. Rxf1 Ng6
23. Bg4 Nxf4 24. Rxf4 Rxf4 25. Be6+ Rf7 26. Ne4 Qh4 27. Nxd6
Qg5+ 28. Kh1 Ra7 29. Bxf7+ Rxf7 30. Qh8+ 1-0

[Event "Moscow"]
[Site "m"]
[Date "1966.01.08"]
[EventDate "?"]
[Round "7"]
[Result "0-1"]
[White "Boris Spassky"]
[Black "Petrosian"]
[ECO "A46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "86"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 Be7 5. e3 Nbd7 6. Bd3 c5
7. c3 b6 8. O-O Bb7 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bf4 Qc7
12. Nf3 h6 13. b4 g5 14. Bg3 h5 15. h4 gxh4 16. Bf4 O-O-O
17. a4 c4 18. Be2 a6 19. Kh1 Rdg8 20. Rg1 Rg4 21. Qd2 Rhg8
22. a5 b5 23. Rad1 Bf8 24. Nh2 Nxe5 25. Nxg4 hxg4 26. e4 Bd6
27. Qe3 Nd7 28. Bxd6 Qxd6 29. Rd4 e5 30. Rd2 f5 31. exd5 f4
32. Qe4 Nf6 33. Qf5+ Kb8 34. f3 Bc8 35. Qb1 g3 36. Re1 h3
37. Bf1 Rh8 38. gxh3 Bxh3 39. Kg1 Bxf1 40. Kxf1 e4 41. Qd1 Ng4
42. fxg4 f3 43. Rg2 fxg2+ 0-1

[Event "Zagreb"]
[Site "t"]
[Date "1959.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1/2-1/2"]
[White "Robert James Fischer"]
[Black "Petrosian"]
[ECO "B11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "96"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. d3 e6
7. g3 Bb4 8. Bd2 d4 9. Nb1 Bxd2+ 10. Nxd2 e5 11. Bg2 c5
12. O-O Nc6 13. Qe2 Qe7 14. f4 O-O-O 15. a3 Ne8 16. b4 cxb4
17. Nc4 f6 18. fxe5 fxe5 19. axb4 Nc7 20. Na5 Nb5 21. Nxc6
bxc6 22. Rf2 g6 23. h4 Kb7 24. h5 Qxb4 25. Rf7+ Kb6 26. Qf2 a5
27. c4 Nc3 28. Rf1 a4 29. Qf6 Qc5 30. Rxh7 Rdf8 31. Qxg6 Rxh7
32. Qxh7 Rxf1+ 33. Bxf1 a3 34. h6 a2 35. Qg8 a1=Q 36. h7 Qd6
37. h8=Q Qa7 38. g4 Kc5 39. Qf8 Qae7 40. Qa8 Kb4 41. Qh2 Kb3
42. Qa1 Qa3 43. Qxa3+ Kxa3 44. Qh6 Qf7 45. Kg2 Kb3 46. Qd2 Qh7
47. Kg3 Qxe4 48. Qf2 Qh1 1/2-1/2

[Event "It Bled"]
[Site "It Bled"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Ludek Pachman"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "42"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 g6 4.O-O Bg7 5.d3 e6 6.e4 Nge7 7.Re1
O-O 8.e5 d6 9.exd6 Qxd6 10.Nbd2 Qc7 11.Nb3 Nd4 12.Bf4 Qb6
13.Ne5 Nxb3 14.Nc4 {Very nice tempo move. --Fischer} Qb5
15.axb3 a5 16.Bd6 Bf6 17.Qf3 Kg7 18.Re4 {Now Petrosian is
preparing for a very beautiful finish.--Fischer} Rd8 19.Qxf6+
Kxf6 20.Be5+ Kg5 21.Bg7 {This is a real problem
move. --Fischer} 1-0

[Event "Lone"]
[Site "Lone"]
[Date "1976.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "John A Peters"]
[ECO "A34"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "99"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 e6 5. Nf3 Be7 6. d4 d5
7. cxd5 Nxd5 8. O-O O-O 9. Nxd5 exd5 10. dxc5 Bxc5 11. a3 a5
12. Ne1 d4 13. Nd3 Bb6 14. Bd2 Re8 15. Rc1 Bg4 16. Re1 Rc8
17. h3 Bf5 18. Qb3 Be4 19. Bxe4 Rxe4 20. Qb5 Na7 21. Rxc8 Nxc8
22. Bg5 Qd6 23. Rc1 Na7 24. Qf5 Re8 25. Bf4 Qd8 26. Rc2 Nc6
27. h4 h6 28. Qb5 Na7 29. Qf5 Nc6 30. Kf1 Re6 31. Qb5 Na7
32. Qb3 Nc6 33. h5 Ne7 34. Ke1 Nd5 35. Qb5 Nf6 36. Kd1 Nd5
37. Be5 Ne7 38. g4 Nc6 39. Bg3 Na7 40. Qb3 Nc6 41. Kc1 Re4
42. f3 Re3 43. Kb1 Ne7 44. Bh4 Qd6 45. Bxe7 Rxe7 46. Rc8+ Kh7
47. Rf8 Qc7 48. f4 Bc5 49. Qd5 Re5 50. Rxf7 1-0

[Event "M:URS-FRG"]
[Site "Hamburg"]
[Date "1960.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Wolfgang Unzicker"]
[ECO "D30"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "109"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. c4 c6 5. Qc2 Be7 6. e3 O-O
7. Nc3 h6 8. Bf4 Nbd7 9. cxd5 cxd5 10. Bd3 a6 11. O-O b5
12. a4 b4 13. Na2 Ne8 14. Nc1 a5 15. Nb3 Ba6 16. Bxa6 Rxa6
17. Qd3 Ra7 18. Rfc1 Nd6 19. Bxd6 Bxd6 20. Rc6 Nb8 21. Rc2 Nd7
22. Rac1 Nb6 23. Qb5 Nc4 24. Nfd2 Nxd2 25. Rxd2 Qa8 26. Rdc2
Rd8 27. Rc6 g6 28. g3 Kg7 29. Kf1 Kf8 30. h4 h5 31. R1c2 Kg7
32. Ke1 Kg8 33. Kd1 Kh7 34. Kc1 Kg8 35. Kb1 Kh7 36. Qe2 Qb7
37. Rc1 Kg7 38. Qb5 Qa8 39. f4 Kh7 40. Qe2 Qb7 41. g4 hxg4
42. Qxg4 Qe7 43. h5 Qf6 44. Ka2 Kg7 45. hxg6 Qxg6 46. Qh4 Be7
47. Qf2 Kf8 48. Nd2 Rb7 49. Nb3 Ra7 50. Qh2 Bf6 51. Rc8 Rd7
52. Nc5 b3+ 53. Kxb3 Rd6 54. f5 Rb6+ 55. Ka2 1-0

[Event "USSR Team Championship"]
[Site "Moscow"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Leonid Stein"]
[ECO "E93"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1. c4 {Notes by International Grandmaster Raymond Keene.} Nf6
2. Nc3 d6 3. d4 g6 4. e4 Bg7 5. Be2 O-O 6. Nf3 {The Classical
Variation, in which the strong zones for both players are
defined clearly once the centre has been dixed: White achieves
play on the Q-side while Black seeks an attack on the opposite
wing.} e5 7. d5 Nbd7 8. Bg5 {Petrosian's own line, which
provokes an immediate challenge to this bishop as White
threatens 9. Qd2. For some years Petrosian earned his living
by playing this variation, which at one point seemed to
invalidate the whole defense until resources were found.} h6
9. Bh4 a6 {At this stage there are many complex lines. If
9...g5 10. Bg3 Nh5 White can choose the positional 11. Nd2 Nf4
12. O-O Nc5 13. Nb3 or try for a direct assault on the black
king with 11. h4. Stein's idea is to unpin the knight on f6 by
moving the queen, having first guarded against Nb5. That way
the g-pawn can stay where it is, and Black might be able to
bring about a more usual advance on the flank by thrusting
forward with the f-pawn.} 10. O-O Qe8 11. Nd2 c5 {This is very
committal, but Black already has problems relating to
development. For example, if aims for a quick ...f5 by means
of 11...Nh7 12. Rc1 f5 13. exf5 gxf5 14.Bh5 he may not be
quite ready for the exchange sacrifice, almost identical to
this, seen in Yusupov-Kasparov, Barcelona 1989, when Black was
better developed and should have won.} 12. dxc6 bxc6 13. b4
Rb8 14. a3 {Consolidating his position. Black's d-pawn is
vulnerable and the light-square bishop presently has no good
location. Stein's one hope is to create complications that
might nullify any positional defect in the spate of a full
onslaught.} Bb7 15. Nb3 Qe6 16. Na5 {Black's difficulties are
highlighted by this move. If 16...Rfc8 17.Nxb7 Rxb7 18.c5
White wins. Or 16...Ne8 17.Nd5! cxd5 (17...g5 18.Bg4) 18.cxd5
Bxd5 19.exd5 Qf5 20.Bg4 Qf4 21.Bg3} Ba8 {The bishop now
becomes locked behind the pawn at c6, never to move
again. After this, Stein launches his attack, there being
nothing else to play for.} 17. f3 d5 {Here it comes, yet White
simply has to avoid 18.cxd5? to secure a lasting initiative.}
18. c5 {!} Nh5 19. Bxa6 {The first fruit, but of course Black
is no longer concerned about minor material loss.} Nf4 20. Ne2
g5 21. Bf2 f5 22. Rc1 {As one would expect, Petrosian defends
calmly, relying on the inherent soundness of his position to
negate Black's desperate efforts to break through.} fxe4
23. fxe4 Nf6 {The impulsive 23...dxe4 loses at once to 24.Nxf5
followed by 25.Bc4} 24. exd5 N6xd5 {Unfortunately for Black,
the one change to release the encarcerated bishop by 24...cxd5
allows 25.c6!} 25. Ng3 e4 {Denying White the use of e4 while
liberating the dark square bishop and planning to leap into d4
with a knight. The drawback is that d4 becomes available to
the other side.} 26. Bd4 Rbd8 27. Bxg7 Kxg7 28. Qd4+ Nf6
29. Qc3 Kg6 {After all Black's forceful play, it is HIS king
that has become insecure.} 30. Nc4 Nd3 {30...Rd3 is answered
by 31.Ne5+} 31. Rcd1 Nd5 32. Qc2 {A climax has been
reached. If now 32...N5f4 33.Nd6 is sufficient to steam any
threat based on the e-pawn's desire to push on. Or 32...N5xb4,
when 33.axb4 Nxb4 34.Qa4 e3 35.Nd6 Nxa6 36.Qxe6 Qe5 37.Qc4
wins.} Nc7 33. Nd6 {!} Nxa6 34. Rxf8 Rxf8 35. Ndxe4 Naxb4 {If
instead ...Nf4 then 36.Rd6.} 36. axb4 Nxb4 37. Qb1 {A quiet
retreat that maintains the power to deliver a discovered
check.} Nd5 38. Re1 {One more sotto voce move on the back rank
which leaves black with no adequate reply.} Qd7 {If 38...Kg7
39.Nh5+ Kh8 40.Qa1+ and wins--as played white sacs his knight
to give the long prepared discovered check and forces the
win.} 39. Nf6+ 1-0

[Event "Palma de Mallorca"]
[Site "05"]
[Date "1969.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Henrique Mecking"]
[ECO "B07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "81"]

1.d4 g6 2.e4 Bg7 3.Nf3 d6 4.c3 Nf6 5.Nbd2 O-O 6.Be2 c5 7.dxc5
dxc5 8.O-O Nc6 9.Qc2 b6 10.Nc4 Bb7 11.a4 Qc7 12.Re1 Na5 13.Bf1
Nxc4 14.Bxc4 Ng4 15.a5 Bc6 16.Qe2 Ne5 17.Nxe5 Bxe5 18.g3 Bg7
19.Bf4 e5 20.Bc1 Kh8 21.Bd5 Bxd5 22.exd5 f5 23.c4 Rae8 24.Rd1
f4 25.axb6 axb6 26.Qe4 Qd7 27.Re1 Qf7 28.Re2 g5 29.g4 Qd7
30.f3 Ra8 31.Rxa8 Rxa8 32.Bd2 Re8 33.Bc3 Qd6 34.Re1 h6 35.Ra1
Rf8 36.Ra7 Re8 37.Qf5 b5 38.Rd7 Qf8 39.Qxf8+ Rxf8 40.cxb5 Rb8
41.Rxg7 1-0

[Event "Erevan"]
[Site "Erevan"]
[Date "1948.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "A Kalantar"]
[Black "Petrosian"]
[ECO "E11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "96"]

1. d4 {Notes by Peter Clarke} Nf6 2. c4 e6 3. Nf3 {How should
Black take this slightly enigmatic move? Does it mean that his
opponent dislikes or is afraid of meeting the Nimzovitch
Defence and therefore has already, in a sense, surrendered the
initiative? Or is it that White wants to get him into a
Queen's Indian, believing that he will be able to keep on top
then? The answer must be a subjective one.} Bb4+ {He chooses
the reply that was probably least expected. Although it is so
rarely used, it gives a sound enough game.} 4. Bd2 Qe7 5. g3
Nc6 {Black's plan is unfolding. As in the Miner-Barry (or
Zurich) Variation of the Nimzovitch itself, he is aiming, once
his KB has been exchanged off, to free its colleague and at
the same time secure a hold on the center by playing ...e5.}
6. Bg2 Bxd2+ 7. Nbxd2 {But not 7.Qxd2 Ne4! 8.Qc2 Qb4+ 9.Nc3
Nxc3 10.Qxc3 Qxc3+ 11.bxc3 d6, when White has nothing to show
for the doubled pawns.} O-O 8. O-O d6 9. e4 a5 {An example of
prophylaxis. It looks ahead to the time when the pawn position
in the center has become fixed and White's main weapon of
attack consists in a general advance on the Q side. However it
is not essential; some four years later, in the Interzonal
Tournament at Stockholm, Petrosian played 9...e5 at once
against Unzicker, obtaining an equal game after 10.d5 Nb8
11.b4 Bg4 12.Qc2 Bxf3 13.Nxf3 a5 14.a3 Na6 15.Rab1 axb4
16.axb4 c5!} 10. Qc2 {A good alternative is 10.b3, to be
followed by a3 and later b4. Weak, on the other hand is 10.e5
dxe5 11.dxe5 Nd7 12.Qe2 Nc5, with excellent play for Black.}
Nd7 11. d5 Ncb8 {This two retreating moves by the Knights have
not been made with a view to defence; rather the reverse. In
closed positions considerations of time and even space are
often less important than specific fatures like the pawn
formation and weak squares. Black's scheme, therefore, is to
temp White into overreaching himself by pushing on prematurely
and creating points in his own camp that are vulnerable to
counter-attack.} 12. Nd4 Nc5 13. Qc3 e5 14. N4b3 {14.Nf5 Bxf5
15.exf5 would show a definite detioration in his pawn
structure, and the use of e4 would not be sufficient
compensation.} b6 15. Nxc5 bxc5 {White's manouvering of his
KKT and particularly its exchange has not been happy. Instead
of gaining ground on the Q side, he has now been brought to a
standstill there; what is more, with his center pawns placed
on white squares his Bishop has decreased in strength compared
with the other minor pieces. The following variation shows how
easily: 16.f4 Nd7 17.Nb3 a4 18.Na5 Qf6 19.Nc6 exf4 20.Qxf6
(not 20.Qd2 Nb6 21.Rxf4 Nxc4 22.Qe2 Qxb2, etc.) Nxf6 21.Ne7+
(or 21.gxf4 Re8 22.e5 Ng4 23.Rfe1 Bd7 24.exd6 cxd6 25.Bh3 h5
and Black stands well), Kh8 22.Nxc8 Raxc8 23.gxf4 Rfe8 24.Rfe1
Re7 25.Re2 Rce8 26.Rae1 Nh5 27.Rf2 f5!} 16.f4 Nd7 17.Bh3
{Kalantar realises the long-term danger in the position and
decides to try to avert it by an immediate assault on Black's
center. It is met with the greatest precision.} Re8 {!}
18. Rae1 Qf6 19. Bxd7 {The pressure could not well be stepped
up by 19.Nf3 on account of the reply 19...exf4. The text move
envisages a forcing continuation taking the enemy
strong-point.} Bxd7 20. fxe5 Qxe5 21. Qxe5 Rxe5 22. Nf3 Re7
23. e5 {White has achieved his end, but where is he to go from
here? Were he able to maintain the position in the center, he
could claim an advantage. He cannot; he is forced to exchange
pawns, after which the soundness of Black's game is no longer
in any doubt.} Rae8 24. exd6 Rxe1 25. Rxe1 {To concede the
file by 25.Nxe1 is scarcely worth considering.} Rxe1+ 26. Nxe1
cxd6 {At first glance it might seem that White has fair
chances in this ending, for his pawns are more compact than
Black's (two groups are against three) and the general
stability of the situation should be to the Knight's
benefit. A closer examination shows that there are other
factors that far outweigh these and bring down the advantage
heavily on Black's side. They are; (i) Black's K-side majority
is potentially active, whereas White's on his Q side is
permanently crippled; (ii) the black King has a route into the
center along the weakened black squares; and (iii) the Bishop
is able to worry White by threatening to attack his pawns on
the Q side. By exploiting these points, Petrosian rapidly
takes over the initiative.} 27. Kf2 f5 {!} 28. Ke3 Kf7 29. Nd3
Bc8 30. b3 {Black had intended to provoke this, anyway, by
...Ba6. It is the first step in reducing White to passivity.}
g5 31. Kf3 Kf6 32. Ke3 Bd7 33. Kf3 Be8 {Manouvering the Bishop
round so as to penetrate into the enemy camp.} 34. Ke3 h6
35. Kf3 {White puts his faith in pure defence. If he tries to
counter-attack with his Knight on the Q side, he finds his
threats easily parried, eg. 35.Nb2 Bh5 36.Na4 Ke5 37.Nb6 f4+
38.gxf4+ gxf4+ 39.Kf2 Bg4, etc.} Bh5+ 36. Ke3 Bd1 37. Kd2 Bf3
38. Ke3 Be4 {Decisive; on 39.Nc1 there comes 39...Ke5 followed
by ...f4+, pushing White further anf further back.} 39. Kd2
Bxd3 40. Kxd3 Ke5 {The King and pawn ending is the simplest of
wins for Black, because he is to all intent and purposes a
pawn up. It provides us with a perfect example of the relative
value of mobile and immobile pawn majorities.} 41. Ke3 f4+
42. gxf4+ gxf4+ 43. Kf3 Kf5 44. Kf2 {Or 44.a3 h5 45.h4 Ke5,
and White must retreat.} Ke4 45. Ke2 f3+ 46. Kf2 Kf4 47. h4 h5
48. a3 Ke4 {Since the break by b4 is too late-49...axb4
50.axb4 cxb4 21.c5 Kxd5, etc.} 0-1

[Event "Las"]
[Site "Las"]
[Date "1975.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Rudolfo Tan Cardoso"]
[Black "Petrosian"]
[ECO "B81"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "100"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 a6
7. g5 Nfd7 8. h4 b5 9. Bg2 Bb7 10. h5 Nc6 11. a3 Rc8 12. Rh3
Nxd4 13. Qxd4 Rc4 14. Qe3 Be7 15. f4 e5 16. f5 h6 17. g6 fxg6
18. hxg6 Nf6 19. Bd2 Qa8 20. O-O-O Nxe4 21. Bxe4 Bxe4 22. b3
Rd4 23. f6 Bxf6 24. Re1 d5 25. Nxe4 Rxe4 26. Qc5 Rxe1+
27. Bxe1 Kd7 28. Bb4 Qc6 29. Qa7+ Ke6 30. Rg3 e4 31. Qf7+ Ke5
32. Rc3 Qe6 33. Rc7 Kf5 34. Rd7 Re8 35. Rd6 Qc8 36. Rxd5+ Kg4
37. Rd1 Qe6 38. Rg1+ Kh3 39. Qa7 e3 40. Qb7 Qe4 41. Qd7+ Re6
42. Qd1 e2 43. Qe1 Qe5 44. Rh1+ Kg4 45. Qg1+ Kf5 46. Qf2+ Kxg6
47. Rg1+ Kf7 48. Re1 Kg8 49. Kd2 Bg5+ 50. Kd3 Qd5+ 0-1

[Event "Yugoslavia ct  Rd: 9"]
[Site "Yugoslavia ct  Rd: 9"]
[Date "1959.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Robert James Fischer"]
[ECO "E40"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "62"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bd6 6. Nf3 O-O
7. c5 Be7 8. b4 Ne4 9. Bb2 Nd7 10. Bd3 f5 11. Ne2 Bf6 12. O-O
Qe7 13. Ne5 Nxe5 14. dxe5 Bg5 15. Bd4 Bh6 16. f3 Ng5 17. c6 b6
18. b5 a6 19. a4 axb5 20. axb5 Rxa1 21. Qxa1 Nf7 22. Qc3 Qh4
23. Ra1 Ng5 24. Qe1 Qh5 25. Ra7 Qg6 26. Kh1 Qh5 27. f4 Ne4
28. Rxc7 g5 29. Bxb6 Kh8 30. Bxe4 fxe4 31. Bc5 Rg8 1-0

[Event "Moscow"]
[Site "It"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Lev Aronin"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "79"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 4. O-O Nf6 5. d3 Bg4 6. c4 e6
7. Qa4 Qd7 8. Nc3 d4 9. Nb5 Be7 10. h3 Bxf3 11. exf3 O-O
12. Qd1 {The queen undevelops. This is the first
retreat. There will be more! -- Chernev} Rfe8 13. f4 Bd8
14. Na3 Ba5 15. Nc2 Bc7 16. a3 a5 17. Rb1 Bd6 18. Bd2 e5
19. fxe5 Nxe5 20. f4 Nc6 21. Qf3 h5 22. Rfe1 Rxe1+ 23. Rxe1
Re8 24. Rxe8+ Qxe8 25. Ne1 {The knight is now happily posted
on the back rank! -- Chernev} Qd8 26. Qd1 Qb6 27. Bc1 {Another
piece returns home! -- Chernev} Ne7 28. Qf3 Qb3 29. g4 hxg4
30. hxg4 g6 31. Bf1 Qb6 32. f5 gxf5 33. gxf5 Kf8 {Would you
believe that White, with only one piece in play, now wins this
in about half a dozen moves? -- Chernev} 34. Bg2 Nc6 35. Qh3
Ng8 36. Qh8 {Threatening Bh6+, winning the knight.} Bg3
{Black's idea is to force Nf3, blocking the bishop. This would
allow Black time to defend with Ne7.} 37. f6! Bxe1 38. Qg7+
Ke8 39. Qxg8+ Kd7 40. Bh3+ 1-0

[Event "Moscow"]
[Site "t"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Lev Polugaevsky"]
[Black "Petrosian"]
[ECO "E55"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5
7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4 11. axb4 dxc3
12. bxc3 Qc7 13. Bb2 e5 14. e4 Nb6 15. Bd3 Bg4 16. Ra5 Nh5
17. g3 Rad8 18. Qe3 f6 19. Rc5 Qd7 20. Be2 Bh3 21. Ra1 Nf4
22. Rca5 Qg4 23. Bc1 Rd6 24. R5a2 Rfd8 25. Ne1 Nxe2+ 26. Qxe2
Qxe2 27. Rxe2 Rd1 28. f3 Nc4 29. Kf2 R8d3 30. Rc2 Rd7 31. g4
g5 32. Rca2 h5 33. gxh5 Be6 34. Re2 Rh7 35. Ng2 Rxh5 36. h4
gxh4 37. Re1 Rxe1 38. Nxe1 Rh7 39. Nc2 h3 40. Be3 Rd7 41. Re1
Kh7 42. Ke2 Nb2 43. f4 Nd1 44. f5 Bc4+ 45. Kf3 Rd3 46. Rh1 Bb3
47. Rxh3+ Kg8 0-1

[Event "Palma"]
[Site "Palma"]
[Date "1969.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Jesus Diez del Corral"]
[Black "Petrosian"]
[ECO "C18"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "108"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7
7. Qg4 f5 8. Qg3 cxd4 9. cxd4 Ne7 10. Bd2 O-O 11. Bd3 b6
12. Ne2 Rf7 13. O-O Ba6 14. h4 Bxd3 15. cxd3 Nbc6 16. Be3 Qd7
17. Nf4 Ng6 18. Nxg6 hxg6 19. Qf4 Qe8 20. g3 Rc7 21. Kg2 Qf7
22. Rh1 Kf8 23. Qg5 Ke8 24. Rac1 Kd7 25. h5 gxh5 26. Rxh5 Rg8
27. Rh7 Kc8 28. Qh4 Qg6 29. Rh8 Rxh8 30. Qxh8+ Kb7 31. Qf8 Rc8
32. Qd6 Qe8 33. a4 Rd8 34. Qa3 Qe7 35. Qc3 Rc8 36. Bd2 g5
37. Qc2 f4 38. gxf4 gxf4 39. Bxf4 Rg8+ 40. Bg3 Nxd4 41. Qc3
Ne2 42. Qc6+ Kb8 43. Re1 Nf4+ 44. Kf1 Nxd3 45. Rb1 Qf7
46. Qd6+ Kb7 47. Ke2 Rc8 48. a5 Rc2+ 49. Kf1 Nxf2 50. Rxb6+
axb6 51. Qxb6+ Kc8 52. Qa6+ Kb8 53. Qb6+ Qb7 54. Qd6+ Qc7 0-1

[Event "Beograd"]
[Site "It"]
[Date "1954.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Erwin Nievergelt"]
[ECO "A47"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "45"]

1. d4 Nf6 2. Nf3 b6 3. Bg5 Bb7 4. Nc3 d5 5. e3 g6 6. Bb5+ c6
7. Bd3 Bg7 8. e4 O-O 9. e5 Nfd7 10. Ne2 f6 11. exf6 exf6
12. Be3 Na6 13. h4 Nb4 14. h5 Nxd3+ 15. Qxd3 Qe8 16. hxg6 hxg6
17. Nf4 Ne5 18. dxe5 fxe5 19. Qxg6 exf4 20. Qh7+ Kf7 21. Rh6
Qe7 22. Qg6+ Kg8 23. Ng5 1-0

[Event "Leningrad (Russia)"]
[Site "Leningrad (Russia)"]
[Date "1946.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Petrovsky"]
[ECO "E11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "55"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2
Bxd2+ 7. Nbxd2 d5 8. O-O O-O 9. Re1 Rd8 10. e3 Bd7 11. Rc1
Rac8 12. a3 Na5 13. Ne5 c6 14. c5 b5 15. f4 Be8 16. Qc2 Nd7
17. e4 f6 18. exd5 fxe5 19. d6 Qf8 20. dxe5 g6 21. b4 Nb7
22. Nb3 Qf7 23. Nd4 Nf8 24. a4 a6 25. Ra1 Qg7 26. Qe4 Ra8
27. axb5 cxb5 28. Qxb7 1-0

[Event "URS-ch"]
[Site "URS-ch"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Vasily Smyslov"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. d4 Bb7 5. a3 d5 6. cxd5 Nxd5
7. e3 Be7 8. Bb5+ c6 9. Bd3 c5 10. Nxd5 Qxd5 11. dxc5 Qxc5
12. Bd2 Nc6 13. Rc1 Qd6 14. Qc2 Rc8 15. O-O h6 16. Rfd1 O-O
17. Bc3 Qb8 18. Qa4 Rfd8 19. Qe4 g6 20. Qg4 h5 21. Qh3 f5
22. Bc4 Rxd1+ 23. Rxd1 Kf7 24. e4 Qf4 25. Re1 Qg4 26. exf5
Qxc4 27. fxg6+ Ke8 28. g7 e5 29. Qxh5+ Kd7 30. Rd1+ Bd6
31. Bxe5 Nd4 32. Nxd4 1-0

[Event "Zenit vs. Spartak"]
[Site "Moscow"]
[Date "1957.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Evgeny Terpugov"]
[Black "Petrosian"]
[ECO "A46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "54"]

1. d4 Nf6 2. Nf3 d6 3. Nc3 Bg4 4. e4 c6 5. h3 Bxf3 6. Qxf3
Nbd7 7. Be3 e6 8. g4 d5 9. e5 Ng8 10. O-O-O b5 11. Bd3 Nb6
12. Kb1 Nc4 13. Bc1 Qb6 14. g5 Ne7 15. h4 c5 16. dxc5 Qxc5
17. Rhe1 g6 18. b3 Bg7 19. bxc4 bxc4 20. Bf1 O-O 21. Ka1 Rfb8
22. Nb1 Nc6 23. Qg3 Rxb1+ 24. Kxb1 Rb8+ 25. Ka1 c3 26. Bd2 Nb4
27. Bd3 Qc4 0-1

[Event "Tbilisi"]
[Site "t"]
[Date "1947.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Pirtskhalava"]
[ECO "A90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "71"]

1. c4 {Notes by Peter Clarke} f5 {If you do not wish to meet
the English on its own ground, then the Dutch Defence,
provided you are happy with it, makes quite a good choice. It
is a challenge for the initiative that must be taken up by the
first player.} 2. d4 e6 3. g3 Nf6 4. Bg2 d5 {As a general
principle, one should not commit oneself too readily in the
opening, especially when Black. Here it is considered unwise
to settle for a definite formation (i.e. by moving the d-pawn)
before White has brought out his KKt. The reason is that
against the stonewall set-up, which is characterised by pawns
at c6, d5, e6, and f5, he could well develop it via h3,
leaving himself free to expand rapidly in the center by f3 and
e4. Even given the most accurate order of moves (4...Be7 5.Nc3
O-O 6.O-O d5), this system is not without drawbacks. Chiefly,
it tends to leave Black with a far too rigid and limited
position. The ...d6 variation, since it reserves more options,
has the preference nowadays.} 5. Nf3 c6 6. O-O Bd6 7. b3 Qe7
{With his last two moves Black has started to play
anti-positionally. There was no way of improving on the simple
6...Be7, 7...O-O and waiting for White to show his hand.}
8. Nc3 O-O 9. Bb2 Nbd7 {More precise was 9...Ne4, in order to
exchange off the enemy QKT.} 10. e3 {! Preparing a fine
manouver, designed to clamp down on the hole at e5 and saddle
Black with a permanent disadvantage. It is only fair to say
that it is not Petrosian's own idea. Simagin employed it in a
similar position against Chistiakov in the Moscow Championship
the year before.} Ne4 11. Ne2 {!} Qf6 {The basic plan in the
Dutch, motivating Black from the very first move, consists in
an attack on the K side. Accordingly, the decision to abandon
it and accept a less ambitious role is not at all an easy
one. But here it had to be taken, for unless the strength of
Black's strategy is recognised at once it will be too
late. Best, therefore was 11...dxc4 12.bxc4 e5!, it being the
one method of contesting the grip White has on the black
squares. After 13.Qc2 followed by Rad1, White would remain
with the much better developed game.} 12. Nf4 Qh6 {12...dxc4
and 13...e5 was still the best chance.} 13. Nd3 Ndf6 14. Nfe5
{As long as he is in occupation of this point, it is virtually
impossible for Black to undertake anything active. The
strangle-hold may be broken at the expense of material - for
example, 14...Ng4 15.Nxg4 fxg4 16.Qxg4 e5 - but the result is
hardly encouraging.} Ng5 15. f3 Nf7 {Behind this retreat there
is the reckless intention to advance the g-pawn, a course
which is only likely to accelerate the disaster. The sensible
thing to do was to prepare as much as he could for the
inevitable clash in the center by 15...Bd7 and ...Rae8,
leaving it to his opponent to drive back the Knight.} 16. Qe2
g5 {?} 17. Rae1 {Setting a little trap: 17...g4 18.fxg4 Bxe5
19.dxe5 Nxg4 20.h3, winning a piece.} a5 18. e4 {Opening books
may in the future use this position as an illustration of, on
the one hand, the ideal objective for White and, in contrast,
what is wholly to be avoided by Black. The negative aspects of
the defence have become accentuated - the QB is shutin behind
the pawn barrier and the central weakness on the black squares
is making itself felt; moreover, the virtue of aggresion has
rebounded on itself. In the exchages that result from White's
thrust it is clear that Black is hopelessly outgunned.} Bb4
{This explains his last move. But since the Bishop is exposed
on b4 - White is not obiged to take it - 18...Bc7 was
relatively better.} 19. Rd1 dxe4 {In view of the threat of c5
followed by a3, Black must play further into White's hands by
opening up the center himself.} 20. fxe4 Nxe5 21. dxe5 Nxe4
22. Bxe4 fxe4 23. Nf2 {! No mechanical 23.Qxe4 for Petrosian!
He is not content with merely a good move when there is a
possibility of a stronger one.} Bc5 24. Bd4 Be7 25. Nxe4 Bd7
26. Bc5 {Pirtskhalava's errors have been exploited without
mercy. Now with the elimination of the guardian of the black
squares his defences collapse.} Rxf1+ 27. Rxf1 Bxc5+ {Or
27...Bd8 28.Rf8+ Qxf8 (28...Kg7 29.Qf3 Qg6 30.Rg8+!); 29.Bxf8
Kxf8 Qh5, winning easily.} 28. Nxc5 Be8 {If 28...Rd8 or
28...Bc8, then 29.Qd2 is immediately decisive.} 29. Rf6 Bg6
30. Nxe6 g4 {In the faint hope of struggling on by 31.Qxg4
Qe3+ and ...Qxe5.} 31. Nf4 Qg5 32. Nxg6 {The Knight performs
its last duty -to uncover the black King a little more.} hxg6
33. Rf4 Kg7 {Total passivity by 33...Re8 34.e6 Qe7 35.Re4,
etc., would be equivalent to resignation.} 34. Qe3 Qd8 35. e6
Qe8 36. Rf7+ 1-0

[Event "Moskva"]
[Site "Moskva"]
[Date "1968.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Anatoly Bikhovsky"]
[ECO "D31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "57"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Bf4 Nf6 5. e3 O-O 6. Rc1 c5
7. dxc5 Nc6 8. Nf3 Bxc5 9. a3 d4 10. exd4 Nxd4 11. Ne5 b6
12. Bd3 Bb7 13. O-O h6 14. Re1 Nc6 15. Rc2 Qc8 16. Ng4 Be7
17. Nxf6+ Bxf6 18. Ne4 Be7 19. Qh5 Rd8 20. Rc3 f5 21. Ng3 Bf6
22. Nxf5 Bxc3 23. Nxh6+ gxh6 24. Qg6+ Bg7 25. Bxh6 Rd7
26. Qh7+ Kf8 27. Rxe6 Re7 28. Rf6+ Ke8 29. Qg8+ 1-0

[Event "Bled ct (11.09.59)"]
[Site "04"]
[Date "1959.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Paul Keres"]
[Black "Petrosian"]
[ECO "B39"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "102"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3
Ng4 8.Qxg4 Nxd4 9.Qd1 Ne6 10.Qd2 d6 11.Be2 Bd7 12.O-O O-O
13.Rac1 Bc6 14.Rfd1 Nc5 15.f3 a5 16.b3 Qb6 17.Nb5 Rfc8 18.Bf1
Qd8 19.Qf2 Qe8 20.Nc3 b6 21.Rc2 Qf8 22.Qd2 Bd7 23.Nd5 Rab8
24.Bg5 Re8 25.Re1 Rb7 26.Qf2 Bc6 27.Qh4 f6 28.Be3 e6 29.Nc3
Rd7 30.Bd4 f5 31.exf5 gxf5 32.Rd2 Bxd4+ 33.Rxd4 Rg7 34.Kh1 Rg6
35.Rd2 Rd8 36.Red1 Rd7 37.Qf2 Qd8 38.Qe3 e5 39.f4 e4 40.Ne2
Rdg7 41.Nd4 Bd7 42.a3 Qa8 43.Kg1 h5 44.Rb1 h4 45.Rbb2 Rg4
46.Rf2 Qd8 47.b4 Rg3 48.hxg3 hxg3 49.Rfd2 Qh4 50.Be2 Rh7
51.Kf1 Qxf4+ 0-1

[Event "Tilburg (07)"]
[Site "Tilburg (07)"]
[Date "1981.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Garry Kasparov"]
[Black "Petrosian"]
[ECO "D25"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "83"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3
a6 8.g4 Bg6 9.Ne5 Nbd7 10.Nxg6 hxg6 11.Bf1 c6 12.Bg2 Qc7
13.O-O Be7 14.f4 Nb6 15.g5 Nfd7 16.Qg4 O-O-O 17.Rb1 Kb8 18.b4
Nd5 19.Na4 f5 20.Qg3 Nxb4 21.Bd2 Nd5 22.Rfc1 Ka7 23.Qe1 Ba3
24.Rc2 Qd6 25.Rb3 Qe7 26.Qe2 Rb8 27.Qd3 Bd6 28.Nb2 Rhc8 29.Nc4
Bc7 30.a4 b5 31.axb5 cxb5 32.Ra2 Kb7 33.Bb4 Qe8 34.Bd6 Ra8
35.Qb1 Kc6 36.Rba3 bxc4 37.Rxa6+ Rxa6 38.Rxa6+ Bb6 39.Bc5 Qd8
40.Qa1 Nxc5 41.dxc5 Kxc5 42.Ra4 0-1

[Event "USSR"]
[Site "USSR"]
[Date "1946.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Dunaev"]
[Black "Petrosian"]
[ECO "B84"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "64"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6
7. a4 Be7 8. Be3 Qc7 9. Nb3 b6 10. f4 Bb7 11. Bf3 Nbd7 12. O-O
Rc8 13. g4 Nc5 14. Nxc5 bxc5 15. g5 Nd7 16. a5 Rb8 17. Qd2 Bc6
18. Na4 Rb4 19. b3 Rxe4 20. c4 h6 21. g6 f5 22. Nc3 Nf6
23. Bxe4 fxe4 24. Rad1 d5 25. cxd5 exd5 26. f5 d4 27. Bf4 Qc8
28. Ne2 Qxf5 29. Bg3 Qxg6 30. Nf4 Qf7 31. Qc2 g5 32. Ne2 d3
0-1

[Event "Erevan"]
[Site "Erevan"]
[Date "1965.??.??"]
[EventDate "?"]
[Round "3"]
[Result "0-1"]
[White "Miroslav Filip"]
[Black "Petrosian"]
[ECO "A40"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1. d4 g6 2. g3 Bg7 3. Bg2 c5 4. c3 Qc7 5. Nf3 Nf6 6. O-O O-O
7. b3 d6 8. Bb2 Nc6 9. c4 e5 10. d5 Na5 11. Ne1 Rb8 12. Nc2
Bd7 13. Nd2 Nh5 14. e4 Bh6 15. Re1 Rbe8 16. Ne3 b6 17. Bc3 Ng7
18. Qe2 f5 19. exf5 gxf5 20. Ndf1 Nb7 21. g4 Bxe3 22. Nxe3
fxg4 23. Nxg4 Qd8 24. f3 Nh5 25. Bd2 Nf4 26. Bxf4 Rxf4 27. Nf2
Qh4 28. Ne4 Kh8 29. Ng3 Nd8 30. Qf2 Qh6 31. Re4 Nf7 32. Kh1
Rf6 33. Rg1 Ng5 34. Re3 Qxh2+ 35. Kxh2 Rh6+ 36. Bh3 Nxh3
37. Nf5 Bxf5 38. Qf1 Nf4+ 39. Kg3 Rg8+ 40. Kf2 Nh3+ 0-1

[Event "Interzonal"]
[Site "Stockholm"]
[Date "1952.??.??"]
[EventDate "?"]
[Round "15"]
[Result "0-1"]
[White "Laszlo Szabo"]
[Black "Petrosian"]
[ECO "B93"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "94"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7
7. Be2 e5 8. Nf3 Be6 9. f5 Bc4 10. Bg5 Nbd7 11. Nd2 Bxe2
12. Qxe2 Rc8 13. a3 Qb6 14. O-O-O Rxc3 15. bxc3 d5 16. Nb1
Nxe4 17. Rxd5 Nxg5 18. h4 Bc5 19. hxg5 Be3+ 20. Nd2 Bxg5
21. Qd3 Qc7 22. Kd1 Bxd2 23. Kxd2 f6 24. Kc1 Nb6 25. Rd6 O-O
26. Rd1 Qc5 27. Rd8 Qxa3+ 28. Kb1 h5 29. Rxf8+ Qxf8 30. Qe4
Qe7 31. Qb4 Qc7 32. Qd6 Qxd6 33. Rxd6 Nc4 34. Rd7 b5 35. Ra7
Ne3 36. Rxa6 Nxg2 37. Kc1 h4 38. Kd2 h3 39. Ra1 Nh4 40. c4
bxc4 41. Rh1 Nxf5 42. Kc3 Nd6 43. Rxh3 Kf7 44. Rh7 f5 45. Kb4
f4 46. Kc5 f3 47. Rh1 e4 0-1

[Event "Moscow"]
[Site "It"]
[Date "1957.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Tolush"]
[Black "Petrosian"]
[ECO "C44"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "66"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d6 5. d5 Nb8 6. Bd3 g6
7. h3 Nbd7 8. Be3 Bg7 9. Nbd2 Nh5 10. g3 O-O 11. Qe2 c6 12. c4
c5 13. O-O-O a6 14. h4 Nf4 15. gxf4 exf4 16. Bxf4 Qf6 17. Rdg1
Qxf4 18. h5 b5 19. hxg6 hxg6 20. Kd1 Qf6 21. Ng5 Re8 22. Rh4
Nb6 23. Bc2 Nxc4 24. e5 Rxe5 25. Nde4 Qe7 26. f4 Rxd5+ 27. Ke1
Bf5 28. Rgh1 Rd2 29. Qf3 f6 30. Kf1 fxg5 31. Nf6+ Qxf6
32. Qxa8+ Kf7 33. Rh8 Bd3+ 0-1

[Event "Bled"]
[Site "Bled"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "8"]
[Result "1-0"]
[White "Petrosian"]
[Black "Miguel Najdorf"]
[ECO "E80"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "79"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 e5 6.Nge2 c6 7.Bg5
Nbd7 8.d5 Nb6 9.Nc1 cxd5 10.cxd5 O-O 11.a4 a6 12.Nb3 Bd7 13.a5
Nc8 14.Bd3 b5 15.Na2 Ne7 16.Nb4 Nh5 17.g3 f6 18.Be3 f5 19.Rc1
Qe8 20.Rc7 Nf6 21.Qd2 fxe4 22.fxe4 Bh3 23.Bg5 Rf7 24.Bxf6 Rxf6
25.Bf1 Bg4 26.Be2 Bh3 27.Bf1 Bg4 28.Bg2 Qf8 29.h3 Bh6 30.Qd3
Bc8 31.Rf1 Rxf1+ 32.Qxf1 Qd8 33.Rc3 Bg7 34.Qf2 h5 35.Qb6 Qxb6
36.axb6 Rb8 37.Rc7 Bf8 38.Na5 Rxb6 39.Nbc6 Nxc6 40.Nxc6 1-0

[Event "Moscow"]
[Site "Moscow"]
[Date "1963.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Lev Polugaevsky"]
[ECO "D25"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "69"]

1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5
7. Nc3 a6 8. g4 Bg6 9. Ne5 Nbd7 10. Nxg6 hxg6 11. g5 Nd5
12. Qg4 N7b6 13. Bb3 c5 14. Nxd5 Nxd5 15. dxc5 Bxc5 16. Bd2
Rc8 17. Rd1 Rh5 18. h4 Ne7 19. Bc3 Qb6 20. Bxg7 Qc6 21. Ke2
Nf5 22. Bf6 Be7 23. Ba4 b5 24. Bb3 Bxf6 25. gxf6 Nh6 26. Qb4
Ng8 27. Rc1 Rc5 28. Rxc5 Qxc5 29. Qf4 Rd8 30. Rg1 Kf8 31. Rd1
Ke8 32. Rxd8+ Kxd8 33. Qb8+ Qc8 34. Qxc8+ Kxc8 35. Bxe6+ 1-0

[Event "Bled"]
[Site "?"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Fridrik Olafsson"]
[Black "Petrosian"]
[ECO "C16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "64"]

1. e4 { Notes by Raymond Keene. } e6 2. d4 d5 3. Nc3 Bb4 4. e5
Qd7 5. Qg4 f5 6. Qg3 b6 7. h4 Bb7 8. Bd3 Nc6 9. Nge2 O-O-O
10. Bd2 Nh6 11. a3 Be7 12. Bb5 {?} Rdg8 13. Qd3 Nf7 14. O-O-O
Kb8 15. Nf4 Qc8 16. Nce2 Ncd8 17. Qb3 {? Better 17 c3 c5 18
Kb1. } 17...c6 18. Bd3 c5 {!} 19. dxc5 Bxc5 20. Nh3 Nxe5
21. Bf4 Ndf7 22. Bb5 Ka8 23. Nd4 Ng6 {! With the awkward
threat of 24...e5. } 24. Qa4 Bxd4 25. Bd7 Qf8 26. Rxd4 e5
27. Rb4 exf4 28. Rxb6 Nfe5 29. Rxb7 Kxb7 30. h5 Qd6 31. hxg6
Qxd7 32. Qxf4 Nxg6 {Nimzowitsch would have approved, in
particular, of Petrosian's delayed ...c5, and also of the
effect that this move then had on White's position. The reader
might also like to compare this more recent case, proving that
even world champions are not immune to this strategy.} 0-1

[Event "Skopje ol (Men) fin-A"]
[Site "Skopje"]
[Date "1972.??.??"]
[EventDate "?"]
[Round "3"]
[Result "1-0"]
[White "Petrosian"]
[Black "Hans Ree"]
[ECO "A26"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "59"]

1.c4 e5 2.g3 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.d3 d6 6.Bd2 h5 7.Nf3 Bd7
8.a3 Qc8 9.h3 Nh6 10.Nd5 Nd8 11.Ng5 Ne6 12.Nxe6 Bxe6 13.Ba5 b6
14.Bd2 c6 15.Nc3 O-O 16.b4 a6 17.a4 Nf5 18.Rb1 Ra7 19.b5 axb5
20.axb5 c5 21.Ra1 Qb8 22.O-O Rd8 23.Rxa7 Qxa7 24.Qa1 Qb8
25.Qa2 Ne7 26.Ra1 Nc8 27.Qa8 Qc7 28.Qc6 Qe7 29.Ra8 Kh7 30.Nd5
1-0

[Event "Lugano"]
[Site "It"]
[Date "1968.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Milko Bobotsov"]
[Black "Petrosian"]
[ECO "E10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "82"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Be7
7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. Bh6 Ng4
12. Bf4 O-O 13. O-O Re8 14. h3 Ngf6 15. Ne5 Nb6 16. Bg5 Ne4
17. Bxe7 Qxe7 18. Qc2 Nd6 19. Na4 Nbc4 20. Nxc4 Nxc4 21. Nc5
Nd6 22. Rac1 Qg5 23. Qd1 h5 24. Kh1 Re7 25. Nd3 Ne4 26. Nc5
Nd6 27. Nd3 Qf5 28. Ne5 f6 29. Nf3 Rg7 30. Nh2 Re8 31. Kg1 Ne4
32. Qf3 Qe6 33. Rfd1 g5 34. Qxh5 f5 35. Re1 g4 36. hxg4 fxg4
37. f3 gxf3 38. Nxf3 Rh7 39. Qe5 Qc8 40. Qf4 Rf8 41. Qe5 Rf5
0-1

[Event "Ch URS"]
[Site "Moscow"]
[Date "1956.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Alexander Chistiakov"]
[Black "Petrosian"]
[ECO "C16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "58"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. Nf3 Qd7
7. Be3 Nc6 8. a3 Bb7 9. Bb5 O-O-O 10. O-O Nge7 11. b4 f6
12. Rfe1 Nf5 13. Qh3 h5 14. g3 a6 15. Ba4 g5 16. g4 hxg4
17. Qxh8 gxf3 18. Qh5 b5 19. Nxb5 axb5 20. Bxb5 fxe5 21. Kh1
Qg7 22. Bxc6 Bxc6 23. dxe5 Be7 24. b5 Bb7 25. Qg4 Rh8 26. Qg1
d4 27. Bd2 g4 28. Bf4 g3 29. Bxg3 Nxg3+ 0-1

[Event "Budapest (04.03.52)"]
[Site "02"]
[Date "1952.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Paul Keres"]
[ECO "E53"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "71"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O b6
8.dxc5 bxc5 9.Ne2 Nbd7 10.b3 e5 11.Bb1 e4 12.Nd2 Ba6 13.Bb2
Qa5 14.Nxe4 dxe4 15.a3 Bd2 16.b4 cxb4 17.Qxd2 Bxc4 18.axb4 Qg5
19.Ra5 Qh4 20.h3 Rfb8 21.Ng3 Rb5 22.Rxb5 Bxb5 23.Rc1 Bd3
24.Bxd3 exd3 25.Bd4 Ne4 26.Qxd3 Nxg3 27.fxg3 Qxg3 28.Qe4 Rd8
29.Qe7 Qb8 30.Bxa7 Qxa7 31.Qxd8+ Nf8 32.Qe8 Qa3 33.Rc7 Qb3
34.Qe7 Qd5 35.Kh2 h6 36.Rc8 1-0

[Event "Olympiad"]
[Site "Varna (Bulgaria)"]
[Date "1962.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Andreas Dueckstein"]
[Black "Petrosian"]
[ECO "B18"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3
Nd7 7. Bd3 e6 8. O-O Qc7 9. c4 O-O-O 10. Bxg6 hxg6 11. Qa4 Kb8
12. b4 Nh6 13. Qb3 Nf5 14. a4 e5 15. dxe5 Nxe5 16. Nxe5 Qxe5
17. Bb2 Qc7 18. c5 a5 19. Rad1 Rxd1 20. Rxd1 Rh4 21. bxa5 Bxc5
22. a6 b6 23. Re1 Ka7 24. Be5 Qd7 25. Ne4 Bd4 26. g3 Bxe5
27. gxh4 Nd4 28. Qd1 Qd5 29. Re3 Nf5 30. Re1 Nd4 31. Qd3 f5
32. Ng5 c5 33. Re3 c4 34. Qd1 Kxa6 35. Ra3 Bf6 36. h3 f4
37. Qg4 Ka5 38. Nf3 Kb4 39. Nxd4 Kxa3 40. Nc2+ Kxa4 0-1

[Event "Moscow"]
[Site "m"]
[Date "1969.01.12"]
[EventDate "?"]
[Round "11"]
[Result "0-1"]
[White "Boris Spassky"]
[Black "Petrosian"]
[ECO "E12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "111"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. e3 Nbd7
7. cxd5 exd5 8. Be2 Bd6 9. b4 O-O 10. O-O a6 11. Qb3 Qe7
12. Rb1 Ne4 13. a4 Ndf6 14. b5 Nxc3 15. Qxc3 Ne4 16. Qc2 Rfc8
17. Bb2 c6 18. bxc6 Bxc6 19. Qb3 Qd7 20. Ra1 b5 21. a5 Bb7
22. Ne5 Qd8 23. Rfd1 Qh4 24. g3 Qe7 25. f3 Ng5 26. h4 Ne6
27. f4 f6 28. Nf3 Nd8 29. Kf2 Nf7 30. Nd2 Rc4 31. Qd3 Re8
32. Bf3 Bb4 33. Ba3 Bxa3 34. Rxa3 Nd6 35. Re1 f5 36. Raa1 Ne4+
37. Bxe4 fxe4 38. Qb1 Qd7 39. Ra2 Rec8 40. Nxc4 dxc4 41. d5
Bxd5 42. Rd1 c3 43. Rc2 Qh3 44. Rg1 Qg4 45. Kg2 Qf3+ 46. Kh2
Qxe3 47. f5 Qc5 48. Rf1 b4 49. f6 b3 50. Rcf2 c2 51. Qc1 e3
52. f7+ Kf8 53. Rf5 b2 54. Qxb2 c1=Q 55. Qxg7+ Kxg7 56. Rg5+
0-1

[Event "It ( cat. 11 )"]
[Site "San Antonio"]
[Date "1972.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Bent Larsen"]
[ECO "A40"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "121"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 b5 5. Ne5 c6 6. Nd2 Qb6
7. e4 Qxd4 8. Nef3 Qc5 9. exf5 Qxf5 10. O-O Nd5 11. Nd4 Qf7
12. N2f3 Qh5 13. Re1 Be7 14. Re5 Qf7 15. Re2 O-O 16. Ne5 Qh5
17. f4 Bc5 18. Kh1 Bb7 19. Ndf3 Bb6 20. a4 a6 21. c4 Nf6
22. Ng5 bxa4 23. Bf3 Qe8 24. Be3 Bxe3 25. Rxe3 h6 26. Ne4 Nxe4
27. Bxe4 d5 28. Bg2 Nd7 29. Rxa4 c5 30. cxd5 Nb6 31. Ra5 Nxd5
32. Rb3 Rd8 33. Rxb7 Ne3 34. Qe2 Rd1+ 35. Qxd1 Nxd1 36. Rxa6
Ne3 37. Raa7 Nf5 38. g4 Qd8 39. h3 Qd1+ 40. Kh2 Qd4 41. Ng6
Ne3 42. Rxg7+ Qxg7 43. Rxg7+ Kxg7 44. Nxf8 Kxf8 45. Bf3 h5
46. g5 h4 47. Kg1 e5 48. fxe5 Nc4 49. Kf2 Nxe5 50. Be4 Kg7
51. b3 Nf7 52. g6 Ng5 53. Bf5 Kf6 54. Ke3 Ne6 55. Bxe6 Kxe6
56. Ke4 Kf6 57. Kd5 Kxg6 58. Kxc5 Kf5 59. b4 Kf4 60. b5 Kg3
61. b6 1-0

[Event "Russia"]
[Site "Match, Moscow  (5)"]
[Date "1963.01.06"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Mikhail Botvinnik"]
[ECO "D94"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "95"]

1.c4 g6 2.d4 Nf6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Be2 dxc4 7.Bxc4
c5 8.d5 e6 9.dxe6 Qxd1+ 10.Kxd1 Bxe6 11.Bxe6 fxe6 12.Ke2 Nc6
13.Rd1 Rad8 14.Rxd8 Rxd8 15.Ng5 Re8 16.Nge4 Nxe4 17.Nxe4 b6
18.Rb1 Nb4 19.Bd2 Nd5 20.a4 Rc8 21.b3 Bf8 22.Rc1 Be7 23.b4 c4
24.b5 Kf7 25.Bc3 Ba3 26.Rc2 Nxc3+ 27.Rxc3 Bb4 28.Rc2 Ke7
29.Nd2 c3 30.Ne4 Ba5 31.Kd3 Rd8+ 32.Kc4 Rd1 33.Nxc3 Rh1 34.Ne4
Rxh2 35.Kd4 Kd7 36.g3 Bb4 37.Ke5 Rh5+ 38.Kf6 Be7+ 39.Kg7 e5
40.Rc6 Rh1 41.Kf7 Ra1 42.Re6 Bd8 43.Rd6+ Kc8 44.Ke8 Bc7 45.Rc6
Rd1 46.Ng5 Rd8+ 47.Kf7 Rd7+ 48.Kg8 1-0

[Event "Bled"]
[Site "ct"]
[Date "1959.??.??"]
[EventDate "?"]
[Round "28"]
[Result "1-0"]
[White "Petrosian"]
[Black "Svetozar Gligoric"]
[ECO "E93"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5
7. d5 Nbd7 8. Bg5 h6 9. Bh4 a6 10. Nd2 Qe8 11. O-O Nh7 12. b4
Ng5 13. Rc1 f5 14. f3 Qe7 15. Kh1 Nf6 16. c5 Nh5 17. c6 b6
18. exf5 gxf5 19. g3 Bf6 20. f4 Ng7 21. Nc4 exf4 22. gxf4 b5
23. Nd2 Ne4 24. Bxf6 Rxf6 25. Bf3 a5 26. a3 axb4 27. axb4 Rg6
28. Ndxe4 fxe4 29. Bxe4 Bf5 30. Bxf5 Nxf5 31. Qh5 Rf6 32. Rg1+
Kh8 33. Rce1 Qf7 34. Qxf7 Rxf7 35. Re4 Kh7 36. Nxb5 Ra2
37. Nd4 Nxd4 38. Rxd4 Re7 39. f5 Ree2 40. Rh4 Rf2 41. b5 Rab2
42. b6 Rxb6 43. Rhg4 Rb8 44. Rg7+ Kh8 45. R7g6 1-0

[Event "Buenos Aires m  Rd: 2"]
[Site "Buenos Aires m  Rd: 2"]
[Date "1971.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Robert James Fischer"]
[ECO "D82"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5
7. Rc1 Ne4 8. cxd5 Nxc3 9. Qd2 Qxa2 10. bxc3 Qa5 11. Bc4 Nd7
12. Ne2 Ne5 13. Ba2 Bf5 14. Bxe5 Bxe5 15. Nd4 Qxc5 16. Nxf5
gxf5 17. O-O Qa5 18. Qc2 f4 19. c4 fxe3 20. c5 Qd2 21. Qa4+
Kf8 22. Rcd1 Qe2 23. d6 Qh5 24. f4 e2 25. fxe5 exd1=Q 26. Rxd1
Qxe5 27. Rf1 f6 28. Qb3 Kg7 29. Qf7+ Kh6 30. dxe7 f5 31. Rxf5
Qd4+ 32. Kh1 1-0

[Event "URS-ch"]
[Site "URS-ch"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Eduard Gufeld"]
[ECO "E70"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "75"]

1. c4 g6 2. d4 Bg7 3. Nc3 Nf6 4. e4 O-O 5. Bg5 d6 6. Qd2 c5
7. d5 Qa5 8. Bd3 a6 9. Nge2 e5 10. O-O Nbd7 11. a3 Nh5 12. f3
Bf6 13. Bh6 Ng7 14. g3 Rb8 15. Kh1 Qc7 16. b3 Be7 17. Rab1 Kh8
18. Rb2 Nf6 19. b4 Ng8 20. Be3 f5 21. bxc5 dxc5 22. Rfb1 Nf6
23. Rb6 Bd6 24. Bh6 Rf7 25. Ng1 f4 26. gxf4 Nd7 27. fxe5 Bxe5
28. Re6 b5 29. cxb5 c4 30. Rc6 Qd8 31. Bxc4 Qh4 32. Rc1 Nh5
33. Bg5 Ng3+ 34. Kg2 Nxe4 35. Nxe4 Qxh2+ 36. Kf1 Rxf3+
37. Nxf3 Qh1+ 38. Kf2 1-0

[Event "Match Tournament of Three Capitals; Moscow-Belgrade-Prague"]
[Site "Moscow"]
[Date "1978.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Borislav Ivkov"]
[ECO "C67"]
[WhiteElo "2620"]
[BlackElo "?"]
[PlyCount "61"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2
Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. c4 O-O 10. Nc3 Nc5 11. Be3 Ne6
12. Rad1 f6 13. Nd4 Nxd4 14. Bxd4 fxe5 15. Qxe5 Rf7 16. Qe4
Qe8 17. Rfe1 d6 18. c5 Bf5 19. Qe2 Qf8 20. f3 dxc5 21. Be5 Bd6
22. Qa6 Bd7 23. Bg3 Re7 24. Rxe7 Qxe7 25. Ne4 Bxg3 26. hxg3
Bf5 27. Nf2 Qf6 28. b3 h6 29. Qc4+ Be6 30. Qxc5 Bd5 31. Rxd5
1-0

[Event "URS-ch26"]
[Site "Tbilisi"]
[Date "1959.01.09"]
[EventDate "?"]
[Round "7"]
[Result "1-0"]
[White "Petrosian"]
[Black "Anatoly S Lutikov"]
[ECO "E92"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "83"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 d6 6.Be2 e5 7.d5 Na6
8.Bg5 h6 9.Bh4 c5 10.Nd2 Bd7 11.Nb5 Be8 12.a3 Qd7 13.g4 Nc7
14.Nc3 a6 15.a4 Qc8 16.h3 Rb8 17.Qc2 Bd7 18.b3 b6 19.Nd1 b5
20.a5 Kh8 21.Bg3 Ng8 22.Ne3 Ne7 23.Bh4 Qe8 24.b4 Nc8 25.bxc5
dxc5 26.cxb5 Nxb5 27.Bxb5 Rxb5 28.O-O f5 29.f3 Rf7 30.Ndc4 Rb4
31.Be1 Rb7 32.Bc3 h5 33.gxf5 gxf5 34.exf5 e4 35.Kh2 exf3
36.Rxf3 Bd4 37.Qd3 Bf6 38.Rg1 Kh7 39.Bxf6 Rxf6 40.Qc3 Qf8
41.Rg6 Rf7 42.Rg5 1-0

[Event "Moscow"]
[Site "It"]
[Date "1970.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Lev Polugaevsky"]
[Black "Petrosian"]
[ECO "A14"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "72"]

1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O
7. Bb2 d5 8. e3 c5 9. Nc3 Nbd7 10. d3 Rc8 11. Qe2 Qc7 12. e4
d4 13. Nb1 Ne8 14. Ne1 e5 15. f4 g6 16. f5 Bg5 17. h4 Be3+
18. Kh2 gxf5 19. exf5 e4 20. Bxe4 Bxe4 21. dxe4 Nef6 22. Ng2
Rfe8 23. Nd2 Bxd2 24. Qxd2 Qxg3+ 25. Kxg3 Nxe4+ 26. Kf4 Nxd2
27. Rfe1 Nf6 28. Rxe8+ Rxe8 29. Re1 Nde4 30. Re2 Kf8 31. Kf3
d3 32. Re3 Rd8 33. Re1 d2 34. Rd1 Ng4 35. Ne3 Nef2 36. Bc3 Rd3
0-1

[Event "Santa Monica (USA)"]
[Site "It"]
[Date "1965.??.??"]
[EventDate "?"]
[Round "14"]
[Result "1-0"]
[White "Petrosian"]
[Black "Jan Hein Donner"]
[ECO "A07"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "109"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. Nbd2 O-O
7. e4 c5 8. exd5 Nxd5 9. Nb3 Nd7 10. Re1 Rb8 11. Nfd2 Nc7
12. Na5 Ne6 13. Nac4 Qc7 14. Ne4 Nb6 15. Nc3 Bd7 16. a4 Bc6
17. Nb5 Bxb5 18. axb5 Nxc4 19. dxc4 b6 20. c3 Rfe8 21. Ra6 Re7
22. Qa4 Rc8 23. Bd5 Qb8 24. Bxe6 fxe6 25. Qd1 Rd8 26. Qg4 Ree8
27. h4 Rd7 28. h5 gxh5 29. Qxh5 Rf8 30. Qg4 Rf6 31. Be3 Rg6
32. Qe4 Bf8 33. Raa1 Bd6 34. Red1 Rgg7 35. Rd2 Bf8 36. Rxd7
Rxd7 37. Qg4+ Kf7 38. Qh3 Kf6 39. Rf1 Qe8 40. Qh4+ Kg7
41. Bh6+ Kg8 42. Bxf8 Kxf8 43. Re1 Qf7 44. Rxe5 Qg6 45. Kg2
Qf7 46. Re4 Ke8 47. Rf4 Qe7 48. Qh5+ Kd8 49. Qe5 Kc8 50. Qe4
Kb8 51. Rh4 Qf7 52. Rf4 Qe7 53. Qf3 Qd6 54. Rf8+ Rd8 55. Rf6
1-0

[Event "Kapfenberg ETC"]
[Site "Kapfenberg ETC"]
[Date "1970.??.??"]
[EventDate "?"]
[Round "1"]
[Result "0-1"]
[White "Vlastimil Hort"]
[Black "Petrosian"]
[ECO "C18"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "96"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Qg4
f5 8.Qg3 cxd4 9.cxd4 Ne7 10.Bd2 O-O 11.Bd3 b6 12.Ne2 Ba6
13.Nf4 Qd7 14.Bb4 Rf7 15.h4 Bxd3 16.Qxd3 Nbc6 17.h5 Rc8 18.Rh3
Nd8 19.Rg3 Rc4 20.h6 Ndc6 21.Nh5 g6 22.Nf6+ Rxf6 23.exf6 Nc8
24.Qd2 Rxd4 25.Rd3 Rh4 26.Rh3 Rg4 27.Kf1 Nd6 28.Re1 Kf7 29.Bc3
Ne4 30.Qd3 Nc5 31.Qd1 Rc4 32.Bb2 Qd6 33.Qe2 b5 34.Kg1 Ne4
35.Rd3 Qc5 36.Rc1 e5 37.Qe3 d4 38.Qe2 Nxf6 39.Rdd1 e4 40.Qd2
Nd5 41.Qg5 Nc7 42.Rd2 Ne6 43.Qh4 a5 44.Rcd1 Rxc2 45.Rxc2 Qxc2
46.Rc1 Qxb2 47.Rxc6 d3 48.Ra6 Qd4 0-1

[Event "Riga"]
[Site "It"]
[Date "1958.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Anatoly Bannik"]
[ECO "A29"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "121"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d6 5. d4 g6 6. dxe5 Nxe5
7. Nxe5 dxe5 8. Qxd8+ Kxd8 9. Bg5 Be7 10. O-O-O+ Nd7 11. h4 f6
12. Be3 c6 13. h5 g5 14. Bh3 Kc7 15. Ne4 Nb6 16. Bxc8 Raxc8
17. b3 Rcd8 18. Bc5 Rxd1+ 19. Rxd1 Bxc5 20. Nxc5 Re8 21. Ne4
Re6 22. g4 a5 23. Rd3 Nd7 24. Kc2 b6 25. Rf3 Kd8 26. a3 c5
27. Kc3 Ke7 28. Rd3 Rc6 29. Rd5 Nf8 30. Ng3 Ne6 31. Nf5+ Ke8
32. e3 Nc7 33. Rd1 Ne6 34. Kd3 Rc7 35. Ke4 Rc6 36. Nd6+ Ke7
37. Nf5+ Ke8 38. Nd6+ Ke7 39. Nf5+ Ke8 40. a4 Nd8 41. Nh6 Ne6
42. Ng8 Nf8 43. Rd2 Kf7 44. Nh6+ Ke8 45. Nf5 Ne6 46. Rd6 Rxd6
47. Nxd6+ Kd7 48. Nb5 Ng7 49. h6 Ne8 50. Kd5 f5 51. Kxe5 fxg4
52. Nc3 Ke7 53. Ne4 Kf7 54. Kf5 g3 55. fxg3 g4 56. Ng5+ Kg8
57. Ke6 Nc7+ 58. Kd7 Na6 59. e4 Nb4 60. e5 Nd3 61. e6 1-0

[Event "Ch URS Moscow"]
[Site "Ch URS Moscow"]
[Date "1949.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Andre Lilienthal"]
[ECO "C49"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "87"]

1.e4 {Notes by Peter Clarke} e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4
{The Rubinstein Counter-Attack (4...Nd4) is sound enough, but
Lilienthal was no doubt unwilling to provide the 'novice' with
a ready-made simplifying line-5.Nxd4 exd4 6.e5, etc.} 5.O-O
O-O 6.d3 Bxc3 7.bxc3 d6 8.Bg5 Qe7 {This and his next two moves
constitute the Metger Defence; while holding on firmly to the
center Black seeks to unpin himself and drive back the
agressive Bishops.} 9.Re1 Nd8 10.d4 Ne6 11.Bc1 c5 {Here we
have a position which is not only of fundamental importance
for the theory of the opening but also extremely interesting
from the point of view of general strategy. It is a question
of Bishops versus Knights and of the advantages and
disadvantages of the doubled pawn complex. Nimzovitch
considered that White was not in an attacking but a
'crouching' position and that any move on the part of his
central pawns would disclose their dynamic weakness. He
recommended Black's last move as the correct way to challenge
them. On the other hand, Botvinnik has frequently demonstrated
that this type of position can be very favourable for White if
he can stabilise the situation in the center and consolidate a
piece-preferably his KB-on d5. To this end the continuation
12.dxe5 dxe5 13.Bc4 (Not 13.Nxe5 Nc7, etc.) is well worth
considering.} 12.Bf1 Qc7 {Inconsequential play; Black could
and should have carried out the positional threat of 12...cxd4
13.cxd4 Qc7 with prospects on the c-file. He is not given a
second opportunity.} 13.d5 Nd8 {13...Nf4 would allow White to
break up the center to his advantage by 14.Bxf4 exf4 15.e5
dxe5 16.Nxe5. Petrosian supports this as follows 16...Rd8
17.c4 b5 18.Qf3 Bb7 (or 18...bxc4 19.d6 Qb7 20.Qxf4, etc.)
19.Rad1 bxc4 20.Bxc4 Rd6 21.Bb3. It shoul be noted that while
Black has succeeded in immobilising the enemy pawns this is
not necessarily a permanent state of affairs. Wite immediately
starts preparing for a thrust on the K side with h4.} 14.Nh4
Ne8 15.g3 Qe7 16.Nf5 Bxf5 {Otherwise this Knight may settle on
c4 and harass him on all sides. However, leaving onelf with
two knights against two bishops, even in a closed position, is
a serious step,. It may be all right in theory, but in
practice many difficulties are involved. The trouble is that
the player with the Knights must be extremely cautious about
changes in the pawn formation, whereas his opponent may
undertake almost any action he likes. The rest of the game
affords a good illustration of the way the bishops work
towards the breaching and ultimate collapse of the opposing
defences.} 17.exf5 Qf6 18.Qg4 Qe7 19.Bg5 Qd7 20.a4 f6 {After
non too happy manouvering with his Queen, Black was faced with
the threat of 21. Bb5 Qc7 22.Bxe8 Rxe8 23.Bf6 and wins.}
21.Bd2 g6 {Is this not helping White? Yes; but if he does
nothing to relieve his rather cramped position, White will
buid up a K side offensive at his leisure. That is Black's
dilemma.} 22.Bh3 Qxf5 {Not 22...Ng7? 23.fxg6! winning a pawn;
while if 22...g5, White simply retires his KB again and gets
ready to strike back with h4.} 23.Qxf5 gxf5 24.Bxf5 Ng7 25.Bd3
f5 {He ought to have played 25...Nf7 and kept his pawns firmly
entrenched where they were. By his weakening his support to
the strongpoint at e5 he makes it easier for White to
undermine it. It is doubtful whether Black's game can be saved
after this.} 26.f4 e4 {Closing the position again, but the
respite is only temporary. With every new advance the Knights
find it harder to plug the gaps. 26...Nf7 was therefore the
better choice.} 27.Be2 Rc8 28.c4 Ne8 29.h3 Nf6 30.g4 {!
White's strategy has won the day. The barrier of enemy pawns
that curbs his Bishops can no longer be maintained.} fxg4
31.hxg4 Rc7 32.Kf2 h6 33.Rh1 e3 {A desperate attempt at
counter-play. Passive defence was hopeless in any case; for
example, 33...Kg7 34.Bc3 Kg6 35.Ke3 Rh7 36.Rag1 Nf7 37.g5 hxg5
38.f5+!, winning a piece.} 34.Bxe3 Ne4+ 35.Kg2 Nf7 36.Bd3 Re7
37.Rae1 Rfe8 38.Bc1 Nc3 {The Knight makes a sortie at last.}
39.Rxe7 Rxe7 40.a5 b6 41.Bd2 Ne2 42.axb6 axb6 43.c3 {And gets
trapped! As is fitting the Bishops have had the final way.} b5
44.Kf3 1-0

[Event "USSR"]
[Site "USSR"]
[Date "1950.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Igor Bondarevsky"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "82"]

1. Nf3 {Notes by Peter Clarke} e6 {There are people who play
this against any opening move by White. Perhaps it is the only
reply that unquestionably deserves such a strange
distinction.} 2. g3 f5 3. Bg2 Nf6 4. O-O Be7 5. d4 O-O 6. c4
c6 {He intens to adapt the stonewall formation and decides on
this order of moves to avoid the possibility of his
black-squared Bishop being exchanged by b3 and Ba3 (this way
he has ...d6 in reserve); not that there is anything really to
be feared in that.} 7. Qc2 Qe8 {The manouver ...Q-e8-g6 (or
h5) is the normal method of preparing the K-side attack. Here
he starts it while waiting for White to reveal his hand more.}
8. Nbd2 d5 9. Ne5 {Petrosian is employing the same strategy as
he did against Pirtskhalava-placing his Knights on d3 and f3
in order to exploit the hole on e5. What is interesting is
that he has found an entirely different route for them to
take.} Nbd7 10. Nd3 Ne4 11. Nf3 {White has avoided relieving
Black's game by exchanges and is now ready to begin the drive
forward in the center. This is a critical moment for the
second player, for he must seek counter-play on the K side and
yet not overreach himself there; 11...Qh5 seems
natural. Instead Bondarevsky tries to combat White's plans by
striking out first on the other wing, a policy as wrong as it
is anti-thematic.} Nd6 12. b3 b5 13. c5 {!} Nf7 14. a4 {The
new extension to the wall must fall, after which Black is left
with a weakened and exposed Q side, not at all what he had
bargained for.} bxa4 15. Rxa4 Bf6 16. Bb2 a6 {For the one and
only time he could have played ...e5 here. Although it would
have greatly freed his pieces-after, for instance, 17.dxe5
Nfxe5 18.Rfa1 Nxd3 19.exd3 Bxb2 20.Qxb2 Nxc5 21.Rxa7-White's
too would have had the board opened up for them. And open
positions invariably favor the side with the initiative.}
17. Nfe5 Nfxe5 18. dxe5 Be7 19. f4 Rb8 {If 19...g5 20.fxg5
Bxg5 21.Bc1! Black's problem is to find a constructive plan
which does not help his opponent.} 20. Rfa1 Rb5 21. b4 {!
21.Bd4 was superficially correct, but White would like to see
his Knight on d4; moreover, he wishes to preserve the
possibility of Bc1, as mentioned in the previous note.} h5
{Bondarevsky has not yet had all the fight squeezed out of
him.! He is aiming to win some space on the K side and so
perhaps put White out of his methodical stride.} 22. Bc3 h4
23. e3 Nb8 {Unfortunately this passive step is necessary, as
White is threatening to bring his KB to bear on the a-pawn.}
24. Ne1 Rb7 {Better was the prelimanary 24...hxg3. As played,
Black loses the benefit he expected from the advance of the
h-pawn.} 25. gxh4 Bxh4 26. Nf3 Bd8 27. h4 {! It is clear that
Black's last chance of doing anything active- ...g5-has
gone. The outlook is one of grim defence behind his pawn
barrier.} Qh5 28. Be1 Bd7 29. Qf2 Kf7 {? A final error,
shortening the game by many moves. He had to return his Bishop
to c8 to protect his a-pawn, in which event it still would
have required a long campaign of White to breach the defences
(the g-file is the weak spot). As soon as the pawn is removed,
there is nothing to hold the attacker off.} 30. Bf1 Rh8
31. Bxa6 Nxa6 32. Rxa6 Be7 33. Ra7 Rhb8 {He attacked the enemy
h-pawn in vain and now he has had to give up. The end is not
far away.} 34. Rxb7 Rxb7 35. Nd4 Qh8 36. Qg3 Qb8 {Black was
almost in Zugzwang; for instance, Bishop moves permit Ra8,
whilst the threat of b5 continually hangs over him.} 37. h5
Ra7 38. Rc1 {Avoiding a subtle trap-38.Rxa7 Qxa7 39.Qg6+ Kf8
40.Ne6+ Bxe6 41.Qxe6 Qa1! 42.Qc8+ Kf7 48.Qxf5+ Kg8, and White
must either give perpetual check or lose his Bishop.} Qg8
39. Qg6+ Kf8 40. b5 {This inevitable breakthrough is the
stronger for being delayed. If 40...cxb5, then 41.c6 Bc 8
42.Nxb5 and 43.Nd6 wins.} Qf7 41. bxc6 Bc8 {Black sealed this
move and the next day, in view of the continuation 42.Qxf7+
Kxf7 43.Nb5 Ra8 44.Nd6+ Kf8 45.c7, he resigned.} 1-0

[Event "Yugoslavia ct  Rd: 22"]
[Site "Yugoslavia ct  Rd: 22"]
[Date "1959.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Robert James Fischer"]
[Black "Petrosian"]
[ECO "B11"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "136"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. d3 e6
7. g3 Bb4 8. Bd2 d4 9. Nb1 Bxd2+ 10. Nxd2 e5 11. Bg2 c5
12. O-O Nc6 13. Qe2 g5 14. Nf3 h6 15. h4 Rg8 16. a3 Qe7
17. hxg5 hxg5 18. Qd2 Nd7 19. c3 O-O-O 20. cxd4 exd4 21. b4
Kb8 22. Rfc1 Nce5 23. Nxe5 Qxe5 24. Rc4 Rc8 25. Rac1 g4
26. Qb2 Rgd8 27. a4 Qe7 28. Rb1 Ne5 29. Rxc5 Rxc5 30. bxc5
Nxd3 31. Qd2 Nxc5 32. Qf4+ Qc7 33. Qxg4 Nxa4 34. e5 Nc5
35. Qf3 d3 36. Qe3 d2 37. Bf3 Na4 38. Qe4 Nc5 39. Qe2 a6
40. Kg2 Ka7 41. Qe3 Rd3 42. Qf4 Qd7 43. Qc4 b6 44. Rd1 a5
45. Qf4 Rd4 46. Qh6 b5 47. Qe3 Kb6 48. Qh6+ Ne6 49. Qe3 Ka6
50. Be2 a4 51. Qc3 Kb6 52. Qe3 Nc5 53. Bf3 b4 54. Qh6+ Ne6
55. Qh8 Qd8 56. Qh7 Qd7 57. Qh8 b3 58. Qb8+ Ka5 59. Qa8+ Kb5
60. Qb8+ Kc4 61. Qg8 Kc3 62. Bh5 Nd8 63. Bf3 a3 64. Qf8 Kb2
65. Qh8 Ne6 66. Qa8 a2 67. Qa5 Qa4 68. Rxd2+ Ka3 0-1

[Event "Moscow Wch-m"]
[Site "?"]
[Date "1963.01.19"]
[EventDate "?"]
[Round "18"]
[Result "0-1"]
[White "Mikhail Botvinnik"]
[Black "Petrosian"]
[ECO "D31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "122"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cd5 ed5 5. Bf4 c6 6. e3 Bf5
7. g4 Be6 8. h3 Nf6 9. Nf3 Nbd7 10. Bd3 Nb6 11. Qc2 Nc4
12. Kf1 Nd6 13. Nd2 Qc8 14. Kg2 Nd7 15. f3 g6 16. Rac1 Nb6
17. b3 Qd7 18. Ne2 Ndc8 19. a4 a5 20. Bg3 Bd6 21. Nf4 Ne7
22. Nf1 h5 23. Be2 h4 24. Bh2 g5 25. Nd3 Qc7 26. Qd2 Nd7
27. Bg1 Ng6 28. Bh2 Ne7 29. Bd1 b6 30. Kg1 f6 31. e4 Bh2
32. Qh2 Qh2 33. Rh2 Rd8 34. Kf2 Kf7 35. Ke3 Rhe8 36. Rd2 Kg7
37. Kf2 de4 38. fe4 Nf8 39. Ne1 Nfg6 40. Ng2 Rd7 41. Bc2 Bf7
42. Nfe3 c5 43. d5 Ne5 44. Rf1 Bg6 45. Ke1 Nc8 46. Rdf2 Rf7
47. Kd2 Nd6 48. Nf5 Bf5 49. ef5 c4 50. Rb1 b5 51. b4 c3
52. Kc3 Rc7 53. Kd2 Nec4 54. Kd1 Na3 55. Rb2 Ndc4 56. Ra2 ab4
57. ab5 Nb5 58. Ra6 Nc3 59. Kc1 Nd5 60. Ba4 Rec8 61. Ne1 Nf4
0-1

[Event "Bled"]
[Site "ct"]
[Date "1959.??.??"]
[EventDate "?"]
[Round "13"]
[Result "0-1"]
[White "Pal Benko"]
[Black "Petrosian"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "68"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. c4 dxc4 5. Na3 b5 6. d3 cxd3
7. Ne5 a6 8. O-O Bb7 9. Qb3 e6 10. Rd1 Qc7 11. Qxd3 Nbd7
12. Nxd7 Qxd7 13. Qc2 Qc7 14. Be3 c5 15. Bxb7 Qxb7 16. Bxc5
Rc8 17. b4 Ne4 18. Qb2 Bxc5 19. bxc5 O-O 20. Nc4 Rxc5 21. Nd6
Qc6 22. Nxe4 Qxe4 23. Rd4 Rc2 24. Rxe4 Rxb2 25. a4 Rb8
26. axb5 axb5 27. Ra7 g5 28. h4 b4 29. Re5 b3 30. Rxg5+ Kf8
31. Rh5 h6 32. Rxh6 Kg7 33. Rxe6 Ra2 34. Rc7 b2 0-1

[Event "Zurich"]
[Site "It"]
[Date "1961.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Lothar M Schmid"]
[ECO "A79"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "61"]

1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Bg7 5. e4 Nf6 6. Be2 O-O
7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6 11. f3 Nc7
12. a4 b6 13. Nc4 Ba6 14. Bg5 Bxc4 15. Bxc4 a6 16. Kh1 Rb8
17. Qe2 Qc8 18. Bf4 Bf8 19. Rab1 Nh5 20. Bd2 f5 21. g4 Nf6
22. gxf5 gxf5 23. Rg1+ Kh8 24. Rg3 Re7 25. Rbg1 Rg7 26. e5
dxe5 27. Qxe5 Nce8 28. Rxg7 Bxg7 29. Rxg7 Kxg7 30. Qe7+ Kg6
31. d6 1-0

[Event "Zurich"]
[Site "ct"]
[Date "1953.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1/2-1/2"]
[White "Samuel Reshevsky"]
[Black "Petrosian"]
[ECO "E58"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "81"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5
7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5 11. Bb2 c4
12. Bc2 Bg4 13. Qe1 Ne4 14. Nd2 Nxd2 15. Qxd2 Bh5 16. f3 Bg6
17. e4 Qd7 18. Rae1 dxe4 19. fxe4 Rfe8 20. Qf4 b5 21. Bd1 Re7
22. Bg4 Qe8 23. e5 a5 24. Re3 Rd8 25. Rfe1 Re6 26. a4 Ne7
27. Bxe6 fxe6 28. Qf1 Nd5 29. Rf3 Bd3 30. Rxd3 cxd3 31. Qxd3
b4 32. cxb4 axb4 33. a5 Ra8 34. Ra1 Qc6 35. Bc1 Qc7 36. a6 Qb6
37. Bd2 b3 38. Qc4 h6 39. h3 b2 40. Rb1 Kh8 41. Be1 1/2-1/2

[Event "Moskva"]
[Site "Moskva"]
[Date "1963.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Mikhail Tal"]
[ECO "A15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "100"]

1. c4 Nf6 2. g3 e6 3. Bg2 c5 4. Nf3 d5 5. O-O Nc6 6. cxd5 Nxd5
7. d4 Be7 8. Nc3 O-O 9. Nxd5 exd5 10. dxc5 Bxc5 11. a3 a5
12. Bg5 f6 13. Rc1 Ba7 14. Bf4 Be6 15. Ne1 Re8 16. Nd3 Qe7
17. b4 axb4 18. Nxb4 Nxb4 19. Rc7 Qd8 20. axb4 g5 21. Qd3 Re7
22. Rxe7 Qxe7 23. Be3 d4 24. Bxd4 Rd8 25. e3 Bxd4 26. exd4
Qxb4 27. d5 Qd6 28. Be4 Bf7 29. Bxh7+ Kg7 30. Be4 Qc5 31. Rb1
Rd7 32. Qf3 Bg6 33. Bxg6 Kxg6 34. Qd3+ Kg7 35. Rb5 Qe7 36. Qf5
Rd6 37. Kg2 Qd7 38. Qxd7+ Rxd7 39. Kf3 Re7 40. Rb6 f5 41. d6
Rd7 42. h4 Kf6 43. hxg5+ Kxg5 44. Ke3 Kf6 45. Kf4 Ke6 46. f3
Kf6 47. Rb5 Ke6 48. Rxf5 Kxd6 49. g4 Ke6 50. Rf8 b5 1-0

[Event "Tbilisi"]
[Site "It"]
[Date "1949.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Iosif Pogrebissky"]
[ECO "D74"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "56"]

1. d4 {Notes by Peter Clarke} Nf6 2. c4 g6 3. Nf3 Bg7 4. g3
{In the last few years this fianchetto has lost ground as a
means of combating the King's Indian, being replaced by
systems involving a more immediate and aggresive occupation of
the center. Petrosian's part in this trend is clear to see in
later games. Here, of course, White may have been prepared for
the Gruenfeld anyway.} O-O 5. Bg2 d5 6. cxd5 Nxd5 {The basic
idea behind Black's play, as in the Alekhine Defence, to
provoke his opponent into making premature pawn
advances. Inevitably there is a considerable element of risk
in such a policy, for nobody can predict the outcome with
certainty and pawns which prove weak in one game may, given
some new finesse, become a crushing force in the next. All
this is typical of the modern approach to the openings -a
willingness to make concessions of some sort in the belief
that real counter-chances will be obtained in return.} 7. O-O
c5 8. e4 Nf6 {8...Nb6 went out of favour with the game
Botvinnik - Novotelnov, Chigorin Memorial Tournament, 1947,
which continued 9.d5 e6 10.Bg5 f6 11.Be3 Na6 12.Nc3 Nc4 13.Bc1
e5 14.Nb5 Bd7 15.a4, etc.} 9. e5 Nfd7 {Tempting fate a little
too far. He should play 9...Nd5, to which White normally
replies 10.dxc5, with an intense struggle ahead.} 10. Ng5 {! A
very useful opening principle refers to the danger of moving
the same piece twice before completing one's development. In
this game Black's whole strategy has so far been a negation of
this - yet it cannot be condemned as wrong - and now White
'errs' as well. Knowing principles is good; knowing how to
break them is better! The Knight move is the only way to
obtain the advantage. It fulfill two functions; permits him to
consolidate his e-pawn by f4 and at the same time threatens
the disruptive e6.} cxd4 {He has no choice. After 10...e6
11.f4 White has secured his spatial advantage and Black's play
has failed accordingly.} 11. f4 {Too slow now. 11.e6 gives
excellent chances; for instance, 11...Ne5 12.exf7+ Nxf7 13.Qb3
e6 14.Bxb7 Bxb7 15.Qxb7 Nxg5 16.Bxg5 Qxg5 (though 16...Qb6 is
better, White still has the upper hand after 17.Qxb6 axb6)
17.Qxa8 Qb5 18.Na3 Qxb2 19.Qxa7 Nc6 20.Qd7 Ne5 21.Qxe6+
(Donner-Bouwmeester, Munich, 1954).} Nc5 {If 11...Nc6
(reckoning on 12.e6 Nc5 13.exf7+ Kh8!) White could probably
get away with 12.Bxc6 bxc6 13.Qxd4, the initiative and command
of the center being his.} 12. b4 {This is really the decisive
moment. White realises he must play with the outmost
vigour-having failed to do so on the previous move! His idea
here is that after 12...Ne6 (not 12...Nca6 13.a3!) 13.Nxe6
fxe6 Black's KB would be shut out of the game for good while
his other one would be a little better off. And the d-pawn
would be sure to fall. So what is Black to do? He must play
vigorously himself and instead of ...fxe6 be ready to
sacrifice the exchange by 13...Bxe6 14.Bxb7 Bd5; if he
accepts, White is left desperately weak on the white
squares. Petrosian, who pointed out this possibility
afterwards, would probably have exchanged Bishops and tried to
make something out of the temporary isolatin of the
d-pawn. The likelyhood of his succeeding would not appear to
have been very great. But Pogrebyssky panics and in a vain
attempt to drive back the enemy Knight gets his King position
compromised.} f6 13. exf6 {!} exf6 14. Nxh7 Kxh7 15. bxc5 Nc6
16. Bb2 Qc7 {Defending the d-pawn indirectly, e.g. 17.Bxc6
Qxc6 18.Qxd4 Bh3 19.Rf2 Rad8, etc. However, since there was
not that much to lose now, he might have boldly played
16...Bf5 and hoped for some counterplay if White took the
pawn.} 17. Nd2 Be6 18. Ne4 Rad8 19. h4 {! By this energetic
thrust White shows up the true weakness of his opponent's K
side. Though Black has got all his pieces out, they are
powerless to stop the onslaught.} Qd7 20. h5 Bg4 {Seeming to
block the way, but White has a small combination ready.}
21. hxg6+ Kxg6 22. f5+ Bxf5 {If 22...Qxf5, then 23.Qb1! forces
Black to expose himself to a deadly discovered check; while if
22...Kh5, there is the drastic finish 23.Qxg4+! Kxg4 24.Rf4+
and mate next move.} 23. Nd6 {The quiet point. Petrosian
concludes the attack with a series of elegant strokes.} Bg4
24. Be4+ Kh5 25. Rf4 {! An echo of a previous idea; if
25...Bxd1, then Rh4+ Kg5 27.Bc1 mate.} f5 26. Rxg4 fxg4
27. Qd2 {Threatening mate in two by Qh2+.} Rh8 28. Kg2 {!} 1-0

[Event "Maliorka"]
[Site "t"]
[Date "1968.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Svetozar Gligoric"]
[ECO "E81"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "101"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c6
7. Bd3 e5 8. d5 cxd5 9. cxd5 a6 10. Nge2 Nbd7 11. O-O Nh5
12. Kh1 f5 13. exf5 gxf5 14. Qb1 Nc5 15. Bc2 a5 16. f4 exf4
17. Nxf4 Nxf4 18. Bxf4 Ra6 19. Qe1 Rb6 20. Rb1 Qf6 21. a3 Bd7
22. Rf3 a4 23. Be3 Qe5 24. Qf2 Ra6 25. Rd1 Qe7 26. Bd4 Bxd4
27. Qxd4 Qf6 28. Qb4 Raa8 29. Rdf1 Qe5 30. Qh4 Rae8 31. h3 b5
32. Rf4 Re7 33. g4 Qf6 34. Qxf6 Rxf6 35. gxf5 Re3 36. Kg2 Kf8
37. R1f3 Re7 38. Ne4 Nxe4 39. Bxe4 Re5 40. Kf2 Be8 41. Ke3 Bh5
42. Rf1 Be8 43. Rc1 Bd7 44. Kd4 Ke7 45. Rc7 Kd8 46. Ra7 h5
47. Rf1 Rf7 48. Bd3 Be8 49. Ra8+ Kd7 50. f6 Rf8 51. f7 1-0

[Event "Ch Chess Club Leningrad"]
[Site "Leningrad"]
[Date "1967.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Vladlen Shulman"]
[Black "Petrosian"]
[ECO "E77"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "82"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5
7. d5 e6 8. Nf3 exd5 9. exd5 b5 10. Nxb5 Ne4 11. O-O a6
12. Nc3 Nxc3 13. bxc3 Bxc3 14. Rb1 Bf5 15. Bd3 Qd7 16. Rb3 Bg7
17. Bxf5 Qxf5 18. Qd3 Qxd3 19. Rxd3 Nd7 20. Bd2 Nb6 21. Rc1
Rfe8 22. Re3 Bb2 23. Rc2 Bd4 24. Nxd4 cxd4 25. Rxe8+ Rxe8
26. Ba5 d3 27. Rc1 Re4 28. c5 dxc5 29. Rxc5 Rd4 30. Bxb6 d2
31. Rc8+ Kg7 32. Bxd4+ Kh6 33. Kf2 d1=Q 34. Ke3 Qg1+ 35. Kd3
Qf1+ 36. Ke3 Qxg2 37. Rd8 f5 38. Be5 Qe4+ 39. Kf2 Kh5 40. d6
Kg4 41. d7 Qd3 0-1

[Event "Tbilisi"]
[Site "t"]
[Date "1942.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Kopelevic"]
[ECO "C97"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "47"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5
7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 O-O 12. Nbd2
Bd7 13. Nf1 Rfc8 14. Ne3 cxd4 15. cxd4 Nc4 16. Nxc4 bxc4
17. Bd2 a5 18. Bc3 exd4 19. Nxd4 a4 20. a3 g6 21. Qd2 Ne8
22. Nf5 gxf5 23. exf5 Bd8 24. Rxe8+ 1-0

[Event "Russia"]
[Site "Match, Moscow  (7)"]
[Date "1963.01.08"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Mikhail Botvinnik"]
[ECO "A10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "103"]

1.c4 g6 2.Nf3 Bg7 3.Nc3 e5 4.g3 Ne7 5.Bg2 O-O 6.d4 exd4 7.Nxd4
Nbc6 8.Nxc6 Nxc6 9.O-O d6 10.Bd2 Bg4 11.h3 Be6 12.b3 Qd7
13.Kh2 Rae8 14.Rc1 f5 15.Nd5 Kh8 16.Be3 Bg8 17.Qd2 Nd8 18.Rfd1
Ne6 19.Nf4 Nxf4 20.Bxf4 Qc8 21.h4 Re7 22.Bf3 Bf7 23.Qa5 Be8
24.c5 d5 25.Bd6 Qd7 26.Bxe7 Qxe7 27.Rxd5 f4 28.Qd2 Bc6 29.Rd3
Bb5 30.Rd4 fxg3 31.fxg3 Bxd4 32.Qxd4+ Qg7 33.Qxg7+ Kxg7 34.Rc2
Re8 35.Kg2 Kf6 36.Kf2 Bc6 37.Bxc6 bxc6 38.Rc4 Ke5 39.Ra4 Ra8
40.Ra6 Kd5 41.b4 Kc4 42.a3 Kb5 43.Ra5+ Kc4 44.Ke3 a6 45.Kf4
Kd5 46.Kg5 Re8 47.Rxa6 Rxe2 48.Ra7 Re5+ 49.Kf4 Re7 50.Rb7 Ke6
51.a4 Kd7 52.Rb8 1-0

[Event "Ch URS"]
[Site "Moscow"]
[Date "1955.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Mark Taimanov"]
[ECO "D46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "47"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Bb4
7. O-O O-O 8. Qc2 Bd6 9. b3 dxc4 10. bxc4 e5 11. Bb2 Re8
12. Ne4 Nxe4 13. Bxe4 h6 14. Rad1 exd4 15. Bh7+ Kh8 16. Rxd4
Bc5 17. Rf4 Qe7 18. Re4 Qf8 19. Rh4 f6 20. Bg6 Re7 21. Rh5 Bd6
22. Rd1 Be5 23. Ba3 c5 24. Nh4 1-0

[Event "Leningrad m"]
[Site "Leningrad m"]
[Date "1957.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Petar Trifunovic"]
[ECO "C97"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "95"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5
7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2
Bb7 13. Nf1 cxd4 14. cxd4 Rac8 15. Bd3 d5 16. dxe5 Nxe4
17. Ng3 Bb4 18. Re2 f5 19. exf6 Nxg3 20. fxg3 Qxg3 21. Bf5 d4
22. Be6+ Kh8 23. Bxc8 Bxf3 24. Qd3 Rxc8 25. Qxf3 Qxf3
26. fxg7+ Kxg7 27. gxf3 d3 28. Rg2+ Kf6 29. Bg5+ Kf5 30. Rd1
Rc2 31. h4 d2 32. Bxd2 Rxb2 33. Rg5+ Ke6 34. Re1+ Kf6 35. Bxb4
Rxb4 36. Re4 Rb2 37. Rf4+ Ke6 38. Re4+ Kf6 39. Rg2 Rb1+
40. Kh2 Nc4 41. Rge2 a5 42. Rf4+ Kg6 43. Rg2+ Kh5 44. Rf5+ Kh6
45. f4 Ne3 46. Rf6+ Kh5 47. Rg5+ Kxh4 48. Rh6# 1-0

[Event "Olympiad"]
[Site "Leipzig (Germany)"]
[Date "1960.??.??"]
[EventDate "?"]
[Round "7"]
[Result "1-0"]
[White "Petrosian"]
[Black "Gerhard Pfeiffer"]
[ECO "D45"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "59"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Nbd7 5. d4 e6 6. Qc2 a6
7. b3 b6 8. Bd3 Bb7 9. O-O Be7 10. Bb2 dxc4 11. bxc4 c5
12. Ne5 cxd4 13. exd4 Nxe5 14. dxe5 Nd7 15. f4 Nc5 16. Be2 g6
17. Rad1 Qc7 18. Nd5 exd5 19. cxd5 Qc8 20. e6 O-O 21. Qc3 f6
22. d6 Na4 23. Qxc8 Rfxc8 24. Ba1 Rc2 25. dxe7 Rxe2 26. Rd8+
Kg7 27. Rc1 Rxe6 28. Rc7 Kh6 29. Bxf6 Be4 30. Bg5+ 1-0

[Event "It, Copenhagen (Denmark)"]
[Site "It, Copenhagen (Denmark)"]
[Date "1960.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Borge Andersen"]
[Black "Petrosian"]
[ECO "E88"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "57"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 c6 6.Be3 e5 7.d5 O-O
8.Qd2 cxd5 9.cxd5 a6 10.O-O-O b5 11.Kb1 Nbd7 12.Rc1 Nb6 13.Nd1
Nfd7 14.g4 f5 15.gxf5 gxf5 16.Bd3 Nf6 17.Rc6 Nc4 18.Bxc4 bxc4
19.Nc3 fxe4 20.fxe4 Nxe4 21.Nxe4 Rf1+ 22.Kc2 Bf5 23.Qg2 Qh4
24.Rxc4 Qe1 25.Kd3 Rb8 26.Qc2 Qa5 27.Bd2 Qxd5+ 28.Ke2 Rf8
29.Nf3 0-1

[Event "Izt Portoroz"]
[Site "Izt Portoroz"]
[Date "1958.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Ludek Pachman"]
[Black "Petrosian"]
[ECO "A54"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "72"]

1.c4 Nf6 2.Nf3 d6 3.d4 Bg4 4.Nc3 g6 5.e4 Bxf3 6.Qxf3 Nfd7 7.e5
Nc6 8.exd6 Nxd4 9.Qe4 e5 10.dxc7 Qxc7 11.Nd5 Qd6 12.Bf4 Ne6
13.Be3 Bg7 14.O-O-O O-O 15.Nb6 Qxd1+ 16.Kxd1 axb6 17.a3 Ndc5
18.Qc2 e4 19.f3 Rad8+ 20.Ke1 Nd4 21.Bxd4 Bxd4 22.fxe4 Nxe4
23.Be2 Rfe8 24.Rf1 Re7 25.Rf3 Rde8 26.Rd3 Bg1 27.h3 Bh2 28.Bf3
Bg3+ 29.Kd1 Nf2+ 30.Kd2 Bf4+ 31.Kc3 Nxd3 32.Kxd3 Re3+ 33.Kd4
Bh6 34.c5 b5 35.Bxb7 Bg7+ 36.Kd5 R8e6 0-1

[Event "Goteborg m"]
[Site "Goteborg m"]
[Date "1955.??.??"]
[EventDate "?"]
[Round "14"]
[Result "1-0"]
[White "Petrosian"]
[Black "Carlos Enrique Guimard"]
[ECO "D37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "123"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 Be7 5. e3 O-O 6. Bd3 dxc4
7. Bxc4 c5 8. O-O a6 9. a4 Nc6 10. b3 cxd4 11. exd4 Nb4
12. Ne5 Bd7 13. Bb2 Bc6 14. Qd2 Nbd5 15. Nxc6 bxc6 16. Na2 Qb8
17. Nc1 Bb4 18. Qc2 Bd6 19. g3 Rd8 20. Qe2 Nb4 21. Rd1 Nfd5
22. Qe4 Be7 23. Ne2 Bf6 24. Kg2 a5 25. Ng1 Qb7 26. Nf3 Rab8
27. Rac1 h6 28. Kg1 Nb6 29. Be2 N6d5 30. Nd2 Bg5 31. Rc5 Be7
32. Rxa5 Na2 33. Bd3 g6 34. Qf3 Qc7 35. Rc5 Bxc5 36. dxc5 Nab4
37. Bc4 f5 38. Re1 Qe7 39. Qe2 Re8 40. Nf3 Kh7 41. Qe5 Qc7
42. Qe2 Qe7 43. h4 Nf6 44. Bxe6 Ne4 45. Nd4 Rbd8 46. h5 Rxd4
47. hxg6+ Kxg6 48. Bxf5+ Kxf5 49. Qh5+ Ke6 50. Qg4+ Kd5
51. Qf5+ Qe5 52. Qd7+ Kxc5 53. Rc1+ Nc3 54. Rxc3+ Kb6 55. a5+
Kxa5 56. Qa7+ Kb5 57. Qb7+ Ka5 58. Rc1 Rd1+ 59. Rxd1 Qxb2
60. Qa7+ Na6 61. b4+ Kxb4 62. Qb6+ 1-0

[Event "Hamburg"]
[Site "08"]
[Date "1965.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Borislav Ivkov"]
[ECO "D25"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "73"]

1.d4 Nf6 2.Nf3 d5 3.c4 dxc4 4.e3 Bg4 5.Bxc4 e6 6.Nc3 a6 7.h3
Bh5 8.g4 Bg6 9.Ne5 Nbd7 10.Nxg6 hxg6 11.g5 Nd5 12.Nxd5 exd5
13.Bxd5 c6 14.Bb3 Qxg5 15.Qf3 Nf6 16.Bd2 Qf5 17.Qg2 a5
18.O-O-O Bb4 19.Bxb4 axb4 20.h4 Rc8 21.e4 Qf4+ 22.Kb1 Rxh4
23.e5 Rxh1 24.Rxh1 Nh5 25.Bc2 Ke7 26.Bxg6 fxg6 27.Qxg6 Qxd4
28.Qxh5 Qd3+ 29.Ka1 Rd8 30.Rg1 Rd7 31.Rxg7+ Kd8 32.Rg1 Kc7
33.e6 Rd5 34.Qg4 b3 35.e7 Re5 36.Qg7 Kd6 37.Qxe5+ 1-0

[Event "Curasao"]
[Site "ct"]
[Date "1962.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Mikhail Tal"]
[ECO "A12"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "127"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 5. Ba3 g6 6. d3 Bg7
7. Nbd2 Qb6 8. Bg2 Ng4 9. d4 Na6 10. O-O Nb4 11. Bb2 O-O
12. a3 Na6 13. Rc1 Rad8 14. b4 Nb8 15. Qb3 Nf6 16. a4 Ne4
17. Rfd1 Nd7 18. cxd5 cxd5 19. a5 Qd6 20. b5 Nxd2 21. Rxd2 Rc8
22. Nh4 Rxc1+ 23. Bxc1 Qc7 24. Nxf5 gxf5 25. Ba3 Qxa5 26. Qb4
Qb6 27. Bxd5 e6 28. Bf3 Rc8 29. Qa4 Rc7 30. Kg2 a6 31. bxa6
Qxa6 32. Qxa6 bxa6 33. e3 a5 34. Ra2 Ra7 35. Bb4 a4 36. Bc6
Bf8 37. Bxf8 Kxf8 38. Rxa4 Rc7 39. Bxd7 Rxd7 40. Kf3 Kg7
41. Kf4 Kf6 42. h3 h5 43. Ra8 Rb7 44. Rg8 Rb2 45. Kf3 Rd2
46. h4 Ke7 47. Rg5 Kf8 48. Rxh5 Kg7 49. Rg5+ Kh7 50. h5 Ra2
51. g4 Kh6 52. Rg8 Kh7 53. Re8 fxg4+ 54. Kg3 Kh6 55. Re7 Kg7
56. Rc7 Rb2 57. Rc5 Kf6 58. d5 Rb4 59. h6 exd5 60. Rxd5 Kg6
61. Rd6+ Kg5 62. h7 Rb8 63. Rd1 Rh8 64. Rh1 1-0

[Event "Moscow Alekhine mem"]
[Site "URS"]
[Date "1971.??.??"]
[EventDate "1971.11.??"]
[Round "6"]
[Result "1-0"]
[White "Petrosian"]
[Black "Boris Spassky"]
[ECO "D27"]
[WhiteElo "2640"]
[BlackElo "2690"]
[PlyCount "77"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6
7. a4 Nc6 8. Qe2 Be7 9. Rd1 cxd4 10. exd4 O-O 11. Nc3 Nd5
12. Qe4 Ncb4 13. Ne5 Ra7 14. Bb3 Nf6 15. Qh4 b6 16. Qg3 Bb7
17. Bh6 Ne8 18. Rac1 Kh8 19. d5 exd5 20. Be3 Ra8 21. Nc4 Nd6
22. Bxb6 Qb8 23. Na5 Nf5 24. Qxb8 Raxb8 25. Nxb7 Rxb7 26. a5
Bg5 27. Rb1 d4 28. Nd5 Nc6 29. Ba4 Rc8 30. f4 Nce7 31. Rbc1
Rcb8 32. fxg5 Nxd5 33. Bc6 Rxb6 34. axb6 Nde3 35. b7 Nxd1
36. Rxd1 g6 37. g4 Ng7 38. Rxd4 Ne6 39. Rd7 1-0

[Event "Moscow csf ,CAND"]
[Site "Moscow csf ,CAND"]
[Date "1971.??.??"]
[EventDate "?"]
[Round "09"]
[Result "1-0"]
[White "Petrosian"]
[Black "Viktor Korchnoi"]
[ECO "A20"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "82"]

1. c4 e5 2. g3 c6 3. b3 d5 4. Bb2 d4 5. Nf3 Bd6 6. d3 c5
7. Bg2 Ne7 8. O-O Nec6 9. e3 O-O 10. Nbd2 Be6 11. e4 Nd7
12. Nh4 g6 13. Bf3 Bc7 14. a3 Ba5 15. Bc1 Qe7 16. Bg4 f5
17. exf5 gxf5 18. Bf3 Nf6 19. Bg2 Rad8 20. Ra2 Bc8 21. Re1 Kh8
22. b4 cxb4 23. Nb3 Bb6 24. Bxc6 bxc6 25. axb4 a6 26. Nf3 e4
27. c5 Bc7 28. Nfxd4 Qf7 29. Rd2 Bd7 30. Bb2 Kg8 31. Na5 Bxa5
32. bxa5 Rb8 33. Ba1 Rfe8 34. Rde2 Qh5 35. Qd2 Kf7 36. h4 exd3
37. Qxd3 f4 38. Nf3 Rxe2 39. Qxe2 Qxc5 40. Ne5+ Kf8 41. Nxd7+
Nxd7 1-0

[Event "Tbilisi"]
[Site "Tbilisi"]
[Date "1963.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1/2-1/2"]
[White "David Bronstein"]
[Black "Petrosian"]
[ECO "C34"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "46"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. Qe2 Be7 6. d4 O-O
7. g4 fxg3 8. hxg3 Nxg3 9. Qh2 Nxh1 10. Bd3 g6 11. Qh6 d5
12. Nc3 Ng3 13. Ng5 Bxg5 14. Bxg5 f6 15. Bxg6 Qe7 16. Nxd5 Qg7
17. Bxf6 Rxf6 18. Bxh7+ Kh8 19. Qxg7+ Kxg7 20. exf6+ Kxh7
21. Nxc7 Nc6 22. Nxa8 Nxd4 23. O-O-O Bf5 1/2-1/2

[Event "Montevideo"]
[Site "Montevideo"]
[Date "1954.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Kozali"]
[ECO "D35"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "57"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 exd5 5.Bg5 Nbd7 6.e3 Be7
7.Bd3 O-O 8.Nge2 Re8 9.Qc2 c6 10.a3 Ne4 11.Bf4 Ndf6 12.f3 Nxc3
13.bxc3 Bd6 14.Bxd6 Qxd6 15.e4 Nh5 16.e5 Qh6 17.Qd2 Qxd2+
18.Kxd2 g6 19.g4 Ng7 20.h4 h6 21.Raf1 Bd7 22.Rhg1 b5 23.f4 a5
24.f5 gxf5 25.gxf5 Kh8 26.e6 fxe6 27.f6 Nf5 28.Bxf5 exf5
29.Rg7 1-0

[Event "Moscow"]
[Site "m"]
[Date "1969.01.11"]
[EventDate "?"]
[Round "10"]
[Result "1-0"]
[White "Petrosian"]
[Black "Boris Spassky"]
[ECO "E47"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "75"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 b6 6. Ne2 d5
7. O-O dxc4 8. Bxc4 Bb7 9. f3 c5 10. a3 cxd4 11. axb4 dxc3
12. Nxc3 Nc6 13. b5 Ne5 14. Be2 Qc7 15. e4 Rfd8 16. Qe1 Qc5+
17. Qf2 Qe7 18. Ra3 Ne8 19. Bf4 Ng6 20. Be3 Nd6 21. Rfa1 Nc8
22. Bf1 f5 23. exf5 exf5 24. Ra4 Re8 25. Bd2 Qc5 26. Qxc5 bxc5
27. Rc4 Re5 28. Na4 a6 29. Nxc5 axb5 30. Nxb7 Rxa1 31. Rxc8+
Kf7 32. Nd8+ Ke7 33. Nc6+ Kd7 34. Nxe5+ Kxc8 35. Nxg6 hxg6
36. Bc3 Rb1 37. Kf2 b4 38. Bxg7 1-0

[Event "Izt"]
[Site "Stockholm"]
[Date "1962.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Samuel Schweber"]
[ECO "E73"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "85"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h6
7. Be3 e5 8. d5 c6 9. h4 cxd5 10. cxd5 Nbd7 11. h5 g5 12. f3
a6 13. g4 b5 14. a4 b4 15. Nb1 a5 16. Nd2 Nc5 17. Bxc5 dxc5
18. Bb5 Bb7 19. Ne2 Ne8 20. Bxe8 Rxe8 21. Nc4 Ba6 22. Qb3 Qf6
23. Rc1 Bf8 24. Ng3 Bc8 25. O-O Rd8 26. Kg2 Ra7 27. Rf2 Kh7
28. Rfc2 Qa6 29. Nxe5 Rc7 30. Nc4 Bg7 31. Qd3 Kg8 32. Rd2 Re7
33. e5 Bxe5 34. Nxe5 Rxe5 35. Qxa6 Bxa6 36. Rxc5 Bc8 37. Rxa5
f5 38. gxf5 Bxf5 39. Nxf5 Rxf5 40. Rb5 Rdf8 41. d6 Rxb5
42. axb5 Kf7 43. d7 1-0

[Event "Moscow"]
[Site "m"]
[Date "1966.01.13"]
[EventDate "?"]
[Round "12"]
[Result "1/2-1/2"]
[White "Petrosian"]
[Black "Boris Spassky"]
[ECO "A04"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "77"]

1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nd7 5. e4 e6 6. Be2 b6
7. O-O Bb7 8. Be3 Ne7 9. Qc2 h6 10. Rad1 O-O 11. d5 e5 12. Qc1
Kh7 13. g3 f5 14. exf5 Nxf5 15. Bd3 Bc8 16. Kg2 Nf6 17. Ne4
Nh5 18. Bd2 Bd7 19. Kh1 Ne7 20. Nh4 Bh3 21. Rg1 Bd7 22. Be3
Qe8 23. Rde1 Qf7 24. Qc2 Kh8 25. Nd2 Nf5 26. Nxf5 gxf5 27. g4
e4 28. gxh5 f4 29. Rxg7 Qxg7 30. Rg1 Qe5 31. Nf3 exd3 32. Nxe5
dxc2 33. Bd4 dxe5 34. Bxe5+ Kh7 35. Rg7+ Kh8 36. Rg6+ Kh7
37. Rg7+ Kh8 38. Rg6+ Kh7 39. Rg7+ 1/2-1/2

[Event "Belgrade (Yugoslavia)"]
[Site "Belgrade (Yugoslavia)"]
[Date "1954.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Egon Joppen"]
[Black "Petrosian"]
[ECO "C16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. Nf3 Qd7
7. Nb5 Nc6 8. c3 a6 9. Na3 f5 10. Qg3 Bxa3 11. bxa3 Bb7
12. Ng5 O-O-O 13. h4 Nh6 14. Bd3 Kb8 15. Qf3 Nf7 16. Nh3 g6
17. Qe2 Ka7 18. Bg5 Nxg5 19. Nxg5 h6 20. Nh3 Qe7 21. Nf4 g5
22. Nh3 Qxa3 23. Qd2 Qe7 24. O-O-O Rdg8 25. Kb1 Na5 26. hxg5
hxg5 27. f4 g4 28. Ng5 Bc6 29. Qb2 Nc4 30. Qb4 Qd7 31. Bxc4 a5
32. Qb2 dxc4 33. Qd2 Bd5 34. Rdg1 Qc6 35. Rxh8 Rxh8 36. g3 Qe8
37. Kb2 Qh5 38. Kc2 Qh2 39. Qxh2 Rxh2+ 40. Kb1 Ka6 0-1

[Event "New York (USA)"]
[Site "New York (USA)"]
[Date "1954.??.??"]
[EventDate "?"]
[Round "3"]
[Result "1-0"]
[White "Petrosian"]
[Black "Arthur Bisguier"]
[ECO "A36"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "91"]

1.c4 c5 2.g3 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.d3 d6 6.Rb1 h5 7.h3 Bd7
8.e3 Qc8 9.Nge2 Nh6 10.a3 Ne5 11.f4 Bc6 12.e4 Nd7 13.Nd5 e6
14.Ne3 f5 15.Qc2 b6 16.b4 Nf7 17.Rg1 Nf6 18.Bb2 Kf8 19.Rd1 Qd7
20.b5 Bb7 21.e5 Ne8 22.d4 Bxg2 23.Nxg2 Rc8 24.Nh4 Rh6 25.Nf3
d5 26.dxc5 Rxc5 27.a4 Kg8 28.Ba3 Rc8 29.Qa2 Nc7 30.Nc3 g5
31.h4 g4 32.Nd4 Bxe5 33.fxe5 Nxe5 34.cxd5 Nxd5 35.Nxd5 exd5
36.Rg2 Rc4 37.Re2 Rxd4 38.Rxe5 Re6 39.Rxd4 Rxe5+ 40.Kf2 Kh7
41.Qd2 Qe6 42.Bb2 Qh6 43.Qxh6+ Kxh6 44.Rf4 Re4 45.Rxe4 dxe4
46.Be5 1-0

[Event "Skopje-Krusevo-Ohrid"]
[Site "Skopje-Krusevo-Ohrid"]
[Date "1972.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Wlodzimierz Schmidt"]
[ECO "A16"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "75"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. d3 Bg7
7. Be3 Nc6 8. Bxc6+ bxc6 9. Qc1 h6 10. Nf3 Bh3 11. Rg1 Bg4
12. Nd2 Nd5 13. Nxd5 cxd5 14. Nb3 Qd6 15. f3 Bd7 16. d4 Rb8
17. Kf2 h5 18. Bf4 e5 19. dxe5 Bxe5 20. Qe3 f6 21. Qxa7 O-O
22. Rac1 Rfe8 23. Bxe5 Qxe5 24. Rge1 Ra8 25. Qxc7 Qe3+ 26. Kg2
Ra7 27. Qd6 h4 28. gxh4 Be6 29. Rc3 Qh6 30. a3 Rd7 31. Qg3 d4
32. Rd3 Bxb3 33. Rxb3 Qd2 34. Kf1 Kh7 35. Rb8 Re5 36. Qg4 f5
37. Qg5 Re3 38. Qf6 1-0

[Event "Moskva ch-SU (09.11.50)"]
[Site "16"]
[Date "1950.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Paul Keres"]
[Black "Petrosian"]
[ECO "C03"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "70"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.c3 f5 5.exf5 exf5 6.Bd3 Bd6 7.Ne2
Nge7 8.Nf3 O-O 9.Qc2 Qe8 10.Bd2 Bd7 11.O-O-O Na5 12.Bf4 b5
13.Rde1 b4 14.Bxd6 cxd6 15.cxb4 Nac6 16.a3 a5 17.b5 Nb4
18.axb4 Rc8 19.Nc3 axb4 20.Kd2 Qf7 21.Qb3 bxc3 22.bxc3 Rb8
23.Re3 h6 24.Rhe1 Nc8 25.c4 Nb6 26.cxd5 Rfc8 27.Re7 Qf6 28.h4
Ra8 29.R7e2 f4 30.Ne5 dxe5 31.dxe5 Qe7 32.Re4 Ra3 33.Qb2 Bf5
34.Qd4 Ra2+ 35.Kd1 Qa3 0-1

[Event "Cm ( 1/4 )"]
[Site "Palma de Mallorca"]
[Date "1974.??.??"]
[EventDate "?"]
[Round "13"]
[Result "1-0"]
[White "Petrosian"]
[Black "Lajos Portisch"]
[ECO "D30"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "79"]

1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Bg5 Be7 5. Nc3 O-O 6. Rc1 h6
7. Bh4 b6 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bxe7 Qxe7 11. g3 Ba6
12. e3 c5 13. Bxa6 Nxa6 14. O-O Nc7 15. b3 Rac8 16. Re1 Rfd8
17. h4 Ne6 18. Qd3 Qf6 19. Kg2 cxd4 20. exd4 Rxc1 21. Rxc1 Qf4
22. gxf4 Nxf4+ 23. Kg3 Nxd3 24. Rc3 Nb4 25. a3 Na6 26. b4 Nb8
27. Rc7 a5 28. b5 Nd7 29. Kf4 h5 30. Ne5 Nf8 31. Rb7 f6
32. Nc6 Ng6+ 33. Kg3 Rd6 34. Rxb6 Re6 35. Rb8+ Nf8 36. Ra8 Re1
37. Nd8 Kh7 38. b6 Rb1 39. b7 Nd7 40. Rxa5 1-0

[Event "Wien-Baden"]
[Site "Wien-Baden"]
[Date "1957.??.??"]
[EventDate "?"]
[Round "4"]
[Result "0-1"]
[White "Jan Sefc"]
[Black "Petrosian"]
[ECO "B84"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "192"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6
7. Be3 b5 8. Bf3 e5 9. Nf5 g6 10. Nh6 Be6 11. Ng4 Ng8 12. Nd5
Nd7 13. Bc1 Bxd5 14. Qxd5 h5 15. Ne3 Ngf6 16. Qc6 Qc8
17. Qxc8+ Rxc8 18. a4 b4 19. Be2 a5 20. f3 Nb6 21. c4 Bh6
22. b3 Nfd7 23. Kf2 Nc5 24. Rb1 h4 25. Rd1 Rc6 26. Bd3 Bf4
27. h3 Nbd7 28. Bc2 Nf8 29. Bb2 Nfe6 30. Nd5 Bg5 31. Kf1 Rf8
32. Re1 Kd7 33. Rbd1 Kc8 34. Kf2 Kb7 35. Ne3 Nf4 36. Nd5 Nh5
37. Ne3 Bd8 38. Nd5 Ne6 39. Kg1 Nef4 40. Bc1 Nxd5 41. Rxd5
Bb6+ 42. Kh2 f6 43. Be3 Bxe3 44. Rxe3 Ra8 45. Kg1 Nf4 46. Rd2
Ne6 47. Red3 Nd4 48. Kf1 Rf8 49. Kf2 Kc7 50. Kf1 Kd7 51. Kf2
Ke7 52. Kf1 Ra6 53. Kf2 Ne6 54. Re3 Nc5 55. Rd5 Raa8 56. Kf1
Ne6 57. Rd2 Nf4 58. Re1 Ra7 59. Red1 Rd7 60. Re1 Rh8 61. Red1
Ne6 62. Re1 Nd4 63. Red1 Kd8 64. Re1 Kc7 65. Red1 Kc6 66. Re1
Kc5 67. Re3 f5 68. Kf2 Rh5 69. Kf1 Rg5 70. Kf2 Rg3 71. Kf1 Rf7
72. Kf2 Rf8 73. Kf1 Rh8 74. Kf2 Rh5 75. Kf1 Rhg5 76. Rf2 Kc6
77. Rd2 Kc7 78. Rf2 Ne6 79. Ree2 Nf4 80. Rd2 Kc6 81. exf5 gxf5
82. Bd1 Rg7 83. Bc2 R3g5 84. Bd3 Kd7 85. Bc2 Ke6 86. Bd3 Rg3
87. Bc2 Rg8 88. Bd3 e4 89. fxe4 Nxd3 90. Rxf5 Nc5 91. Rfd5
Rxb3 92. Rxd6+ Ke7 93. R6d4 Rc3 94. e5 b3 95. Rxh4 Rc1+
96. Kf2 b2 0-1

[Event "Ch URS (1/2 final)"]
[Site "Gorky (Russia)"]
[Date "1950.??.??"]
[EventDate "?"]
[Round "12"]
[Result "1-0"]
[White "Petrosian"]
[Black "Anatoly Sidorov"]
[ECO "D43"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "84"]

1. Nf3 {Notes by Peter Clarke} Nf6 2. d4 d5 3. c4 e6 4. Nc3 c6
{Up to here neither player had revealed his hand much. But now
Black, by his adopting his initial position of the Semi-Slav,
seems to be showing agressive intentions,. He is unwilling tio
meet the hazards of meeting a prepared variation in the Meran
(5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5) or the even sharper
Anti-Meran (5.Bg5). He wants to keep the play on a line of his
own choosing.} 5. cxd5 exd5 {Sidorov is determined to have a
keen struggle. The alternative Exchange Variation (of the
slav), which he could have had by recapturing with the other
pawn, is considered to give Black a comfortable, if dull,
game.} 6. Qc2 Bd6 {The Bishop is better placed on e7, where it
can counter White's Bg5. The point is that before undertaking
anything else Black should think in terms of equalising.}
7. Bg5 O-O 8. e3 Nbd7 9. Bd3 Qc7 {This would not have been
necessary had his sixth move been correct. Black has now the
same battery of Queen and Bishop as White, but in
effectiveness there is no comparison-especially after White's
reply.} 10. O-O-O {! Indeed, Black's pieces are, as it were,
facing the wrong direction. Normally, the so-called minority
attack is the first choice, while castling Q side and
advancing on the other wing, being rather double-edged, is
less frequently seen. In this case it is clearly the right
strategy, for Black is ill-prepared for making a
counter-attack.} Re8 11. g4 {There is to be no
time-wasting. Already Black is faced with the threat of
12.Bxf6 Nxf6 13.g5. Since both 11...Nxg4 and 11...h6 would
only accelerate trouble, he decides to give up a pawn and try
to use the respite to start his own plans moving. It is the
best practical chance.} Kh8 12. Rdg1 b5 13. Bxf6 Nxf6 14. g5
Ne4 {!} 15. Nxe4 dxe4 16. Bxe4 Be6 {The sacrifice has resulted
in an opening of lines in the center and on the Q side and,
consequently, in the increased activity of the Black
pieces. His Bishops, in particular, have suddenly become
hostile and could easily take the lead in a dangerous attack
on the King. At the same time, White finds that his attach has
slowed down, and despite the promising beggining six moves ago
he still lacks an open file on the K side. How, then, can be
put new life into this game and get the initiative back?
Petrosian provides an energetic answer.} 17. g6 {! The main
point is the clearance of the g5 square for the Knight, an
idea which cannot be foiled by 17...f6 because of 18.gxh7
followed by N-h4-g6+} hxg6 18. Ng5 f5 {Otherwise (for
instance, 18...Bxa2) White smahes his way through by
19.Bxg6. The same would have applied if the f-pawn had made
the capture on the previous move.} 19. Nxe6 Rxe6 20. Bf3 {! He
could still win a pawn by 20.Bxc6, but that would be entirely
contrary to the theme of the game and, moreover, give his
opponent renewed hopes of counter-play after 20...Rc8 21.d5
Re4.} Rc8 21. h4 c5 22. d5 {Spelling the end for Black; he can
now do nothing to stop the storm breaking on the K side.} Rf6
23. h5 g5 {Or 23...gxh5 24.Rxh5+ Kg8 25.Rxf5, etc.} 24. Rxg5
c4 25. Kb1 {But not 25.Rxf5? c3! when the pawn cannot be
by-passed by 26.b3 on account of 26...Ba3+} Rcf8 26. Rhg1 R8f7
27. Rg6 Be5 28. h6 gxh6 29. Rg8+ Kh7 30. Bh5 Rf8 {An exchange
of Rooks is forced now, since if 30...Re7, then 31.f4 Bd6
32.Qg2 is crushing (33.Rh8+ is the threat)} 31. Rxf8 Rxf8
32. f4 Bg7 33. Bg6+ Kh8 34. Bxf5 {Three connected passed pawns
in the center represent a tidy profit-and the assault is not
finished yet.} Qc5 {34...Qd6 35.Qg2 Qf6 36.e4 was just as
bad.} 35. Qg2 Qe7 36. Qg6 {In a way this would have been a
fitting moment for Black to resign. Kis g6 has proved a fatal
square for him, and now White's most powerful piece has
settled on it. Sidorov reckons he ought to fight on a little
longer.} Rxf5 37. Qxf5 Qxe3 38. Rd1 Qf2 {If 38...c3, White
ignores it. The d-pawn wins for him.} 39. Qc2 Qxf4 40. d6 Qf8
41. d7 Qd8 42. Qg6 {!} 1-0

[Event "Ch URS (team)"]
[Site "Moscow (Russia)"]
[Date "1955.??.??"]
[EventDate "?"]
[Round "3"]
[Result "1-0"]
[White "Petrosian"]
[Black "Max Pavey"]
[ECO "B50"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "95"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 Nf6 5. g3 e6 6. Bg2 Be7
7. O-O O-O 8. c3 d5 9. Re1 Qc7 10. Nf1 Bd7 11. e5 Ne8 12. Bf4
Qb6 13. Qe2 Bd8 14. h4 Qa6 15. h5 Ne7 16. h6 g6 17. Bg5 Rc8
18. N1h2 Bb5 19. Bf1 Nf5 20. Ng4 Qb6 21. Qd2 Bc6 22. Bxd8 Qxd8
23. d4 Qe7 24. Bd3 Kh8 25. Kg2 Rc7 26. b4 c4 27. Bc2 Qd8
28. Qg5 Qxg5 29. Nxg5 Ne7 30. Re3 Ng8 31. Rf3 Re7 32. Bxg6
hxg6 33. h7 f5 34. Rh1 Ngf6 35. Nxf6 Nxf6 36. exf6 Rxf6
37. Re3 Re8 38. Rh4 Bd7 39. Kf3 Kg7 40. Kf4 Bc8 41. Re1 Rff8
42. Ke5 Rh8 43. Reh1 Re7 44. a4 Ree8 45. a5 Rd8 46. Rh6 Rde8
47. Nf3 Re7 48. Nh4 1-0

[Event "Leningrad"]
[Site "Leningrad"]
[Date "1946.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Viktor Korchnoi"]
[ECO "A90"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "45"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. O-O Bd6 6. c4 c6
7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Qe8 10. Nc2 Qh5 11. Qc1 Ne4
12. Nce1 g5 13. Nd3 Nd7 14. Nfe5 Kh8 15. f3 Nd6 16. e4 Nf7
17. cxd5 Ndxe5 18. dxe5 cxd5 19. exd5 exd5 20. f4 Rd8 21. Qc7
b6 22. fxg5 Ba6 23. Nf4 1-0

[Event "Havana"]
[Site "Ol"]
[Date "1966.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Bent Larsen"]
[Black "Petrosian"]
[ECO "C00"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "96"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. exd5 exd5 5. d4 c6 6. Bd3 Bd6
7. O-O O-O 8. Ne2 Re8 9. Ng3 Nbd7 10. Nf5 Nf8 11. Nxd6 Qxd6
12. Ne5 N6d7 13. Bd2 f6 14. Qh5 Rxe5 15. dxe5 fxe5 16. Rfe1 e4
17. Bf1 Nf6 18. Qh4 Bf5 19. Qg3 Qe7 20. c3 Ne6 21. Be3 Ng4
22. h3 Nxe3 23. Rxe3 Rf8 24. Qe5 Bg6 25. Rd1 Qf7 26. Rd2 Nf4
27. b4 h6 28. a4 Bh7 29. Qd4 b6 30. Re1 Qc7 31. Qe3 c5
32. bxc5 bxc5 33. g3 Nd3 34. Bxd3 exd3 35. Qe6+ Qf7 36. Qxf7+
Kxf7 37. Rb2 c4 38. f3 d4 39. Rc1 Ke6 40. Kf2 Be4 41. f4 Re8
42. g4 Bc6 43. Re1+ Kd5 44. Rxe8 Bxe8 45. cxd4 c3 46. Rb8 d2
47. Rd8+ Kc4 48. Rc8+ Kd3 0-1

[Event "Wijk"]
[Site "Wijk"]
[Date "1971.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Henrique Mecking"]
[ECO "A46"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "114"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 c5 4.e3 d5 5.c3 Nc6 6.Nbd2 cxd4 7.exd4
Be7 8.Bd3 h6 9.Bf4 Nh5 10.Be3 Nf6 11.Ne5 Nxe5 12.dxe5 Nd7
13.Bd4 Nc5 14.Bc2 a5 15.Qg4 g6 16.O-O Bd7 17.Rfe1 Qc7 18.a4
Na6 19.Qe2 Kf8 20.Nf3 Kg7 21.Be3 Nc5 22.Nd4 Ra6 23.Bc1 Raa8
24.g3 b6 25.h4 h5 26.Qf3 Qd8 27.Bd2 Qe8 28.Bg5 Qd8 29.Qf4 Rc8
30.Re3 Bxg5 31.hxg5 Ra8 32.Qf6+ Qxf6 33.exf6+ Kh7 34.Kg2 Rae8
35.f4 Rb8 36.Ree1 Nb7 37.Rh1 Kg8 38.Nf3 Nd6 39.Ne5 Be8 40.Bd3
Rc8 41.Kf3 Bc6 42.Rh2 Be8 43.Ke3 Rc7 44.Kd4 Nb7 45.b4 Nd8
46.Rh4 Nb7 47.Ra2 Nd6 48.Rh1 Nb7 49.b5 Nc5 50.Bc2 Nd7 51.Ra3
Nc5 52.c4 Nd7 53.Rc3 Nxe5 54.Kxe5 dxc4 55.Be4 Rc8 56.Kd6 Rc5
57.Rhc1 h4 1-0

[Event "Copenhagen (Denmark)"]
[Site "Copenhagen (Denmark)"]
[Date "1960.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Axel Nielsen"]
[ECO "A80"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "50"]

1. d4 { Notes by Raymond Keene. } f5 2. Bg5 g6 3. Nd2 Bg7
4. c3 Nf6 5. e3 d6 6. Ngf3 Nc6 7. Qb3 h6 8. Bxf6 Bxf6 9. e4 e5
10. Bb5 Kf8 11. Bxc6 bxc6 12. dxe5 dxe5 13. Qa4 Qd6 14. Nb3
{-- heading for the blockading square c5. } 14...Bd7 15. Rd1
Qe7 16. Nc5 {!} Be8 {The way in which Black's bishops are
never given a chance is highly reminiscent of Nimzowitsch.}
17. b4 Kg7 18. O-O Rf8 19. Qa6 fxe4 20. Nd2 e3 21. Nde4 {!}
exf2+ 22. Rxf2 Bg5 23. Rxf8 Kxf8 24. Nxg5 hxg5 25. Qb7 {White
wins the rook. } 1-0

[Event "Olympiad"]
[Site "Varna (Bulgaria)"]
[Date "1962.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Suer"]
[ECO "C61"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "43"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Ne7 6. d3
c6 7. Ba4 d5 8. Nd2 dxe4 9. Nxe4 Nf5 10. Bb3 Be7 11. Qh5 O-O
12. Ng5 Bxg5 13. Bxg5 Qd7 14. Rfe1 a5 15. a4 Ra6 16. Re5 c5
17. Rae1 Rg6 18. Rxc5 b6 19. Rce5 Kh8 20. Bf4 f6 21. R5e4 Qb7
22. g3 1-0

[Event "Beverwijk"]
[Site "It"]
[Date "1960.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Bent Larsen"]
[ECO "A55"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "89"]

1. c4 d6 2. d4 e5 3. Nf3 Nd7 4. Nc3 Ngf6 5. e4 Be7 6. Be2 O-O
7. O-O c6 8. d5 Nc5 9. Nd2 a5 10. b3 cxd5 11. cxd5 Bd7 12. a4
Qb6 13. Ba3 Rfc8 14. Rb1 Qa7 15. Rc1 Rc7 16. Bb5 Bg4 17. Qe1
Na6 18. h3 Bh5 19. Bxa6 Qxa6 20. Nc4 Rxc4 21. bxc4 Qxc4 22. f3
Ne8 23. Qe2 Qd4+ 24. Kh1 Bg5 25. Rfd1 Qb6 26. Rb1 Qc7 27. Nb5
Qd7 28. Bc1 Bd8 29. Be3 Bg6 30. g4 h5 31. Rbc1 Nf6 32. Rc4 Nh7
33. Rdc1 Bg5 34. Bxg5 Nxg5 35. Kg2 Qd8 36. Qe3 f6 37. Rc7 Kh7
38. Rxb7 Rc8 39. Rxc8 Qxc8 40. Rc7 Qf8 41. Qc1 Qd8 42. Qc6
Nxe4 43. Rc8 Qe7 44. Qa8 Kh6 45. Rc7 1-0

[Event "Curasao"]
[Site "ct"]
[Date "1962.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Miroslav Filip"]
[ECO "D37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "55"]

1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 c5
7. dxc5 Bxc5 8. a3 Nc6 9. Qc2 Be7 10. Rd1 Qa5 11. Nd2 e5
12. Bg5 d4 13. Nb3 Qd8 14. Be2 Ng4 15. Bxe7 Qxe7 16. exd4 Qh4
17. g3 Qh3 18. d5 Nd4 19. Nxd4 exd4 20. Rxd4 Qg2 21. Qe4 Qxf2+
22. Kd2 Nf6 23. Qe3 Qg2 24. Qg1 Qh3 25. Rh4 Qd7 26. Qd4 Re8
27. Bd3 b6 28. Rf1 1-0

[Event "Riga"]
[Site "It"]
[Date "1958.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1/2-1/2"]
[White "Mikhail Tal"]
[Black "Petrosian"]
[ECO "C97"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "145"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5
7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2
Bd7 13. Nf1 Nc4 14. Ne3 Nxe3 15. Bxe3 Be6 16. Nd2 Rfe8 17. f4
Rad8 18. fxe5 dxe5 19. d5 Bd7 20. c4 Rb8 21. a4 b4 22. a5 Rf8
23. Ba4 Bxa4 24. Rxa4 Rbd8 25. Qf3 Rd6 26. Nb3 Nd7 27. Raa1
Rg6 28. Rf1 Bd6 29. h4 Qd8 30. h5 Rf6 31. Qg4 Rf4 32. Bxf4
exf4 33. Nd2 Ne5 34. Qxf4 Nxc4 35. e5 Nxe5 36. Ne4 h6 37. Rae1
Bb8 38. Rd1 c4 39. d6 Nd3 40. Qg4 Ba7+ 41. Kh1 f5 42. Nf6+ Kh8
43. Qxc4 Nxb2 44. Qxa6 Nxd1 45. Qxa7 Qxd6 46. Qd7 Qxf6
47. Qxd1 Rb8 48. Rf3 Ra8 49. Qe1 Rxa5 50. Qxb4 Re5 51. Qf4 Kh7
52. Kh2 Rd5 53. Rf1 Qg5 54. Qf3 Re5 55. Kg1 Rc5 56. Qf2 Re5
57. Qf3 Ra5 58. Kh2 Kh8 59. Kg1 Ra2 60. Qd5 Rc2 61. Qa8+ Kh7
62. Qf3 Rc1 63. Rxc1 Qxc1+ 64. Kh2 Qc7+ 65. Kh3 Qe5 66. g4
fxg4+ 67. Kxg4 Qg5+ 68. Kh3 Qf6 69. Qe4+ Kg8 70. Qe8+ Qf8
71. Qxf8+ Kxf8 72. Kg4 Kf7 73. Kf5 1/2-1/2

[Event "Leningrad (Russia)"]
[Site "Leningrad (Russia)"]
[Date "1946.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Yuri M Kotkov"]
[ECO "E10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "38"]

1. d4 {Notes by Peter Clarke} Nf6 2. Nf3 e6 3. c4 d5
{Sometimes it is more trouble naming an opening than playing
it. 'Obviously this is a Queen's Gambit Declined,' one might
say, but so far there has been no gambit offered, let alone
declined. And with his next move -typycal Petrosian- White
gives the game a rather different character.} 4. Nbd2 c5 5. e3
{With 5.g3 we would have had a sort of Catalan.} Nc6 6. a3 {A
harmless-looking, yet insidious little move. Whereas an
experienced master would probably have reacted at once with
the exchange of pawns, Kotkov plays right into White's hands.}
Bd6 7. dxc5 {!} Bxc5 8. b4 {Petrosian's tactics have
triuphed. He has reached a Queen's Gambit Accepted with not
only the additional tempo of colours reversed but also a whole
move extra. Considering the good reputation the defence has in
normal circumstances, the outlook for Black is grim.} Be7
9. Bb2 O-O 10. Bd3 dxc4 {Otherwise White may tighten his grip
by c5, leaving Black with little or no chance of
counterplay. With another open file, he can hope to relieve
his position by exchanges.} 11. Nxc4 a6 {Black underestimates
the attacking potential of his opponent's Bishop battery. If
he is to organize his defences properly, he must complete his
development as quickly as possible and without setting up more
targets. Better, therefore was 11...Bd7 to be followed by
...Rc8.} 12. Qc2 {! A very fine move, suddenly bringing into
sharp relief the dangers Black is exposed to. At first sight
it might seem a blunder, for Black can play 12...Bxb4+ 13.axb4
Nxb4 14.Bxh7+ Nxh7 15.Qc3 Nd3+ and ...Nxb2, finishing a pawn
up. Only a closer examination reveals White's cunning
idea-12...Bxb4+ 13.Ke2!! The Bishop would then have nothing
better than to go back to e7, after which White could either
recover the pawn at once by Bxf6 and Bxh7+ or, still stronger,
continue 14.Rad1 Qc7 15.Ng5 h6 16.Bh7+ Kh8 17.h4 with a
tremendous attack. Here we can appreciate the quality of
White,s conception-his King is absolutely safe on e2 while his
KR takes on an aggresive role from its initial square.} h6
13. O-O b5 {? Now 13...Bd7 was essential. The text move leaves
a gaping hole on the q side. It is true that it is not by any
means obvious how White can exploit it; for instance, 14.Nce5
Nxe5 15.Nxe5 Bb7 and Black has a playable game. Petrosian
solves the problem in a most original way.} 14. Bxf6 {!} Bxf6
{14...bxc4 15.Bxe7 Qxe7 simply loses a pawn, whilst 14...gxf6
is positional suicide, e.g. 15.Rad1 Qe8 16.Bh7+ Kg7 17.Nd6
Bxd6 18.Rxd6 Ne7 19.Be4, etc.} 15. Rad1 {Threatening a
discovery on the Queen. Attempts at flight fail as follows:
(i) 15...Qc7 16.Na5, and the pin leads to gain of material;
(ii) 15...Qe7 16.Nb6 etc. (iii) 15...Qe8 16.Nd6 Qd7 17.Be4!}
Bd7 16. Bh7+ Kh8 17. Be4 {! One must admire the precision of
White's manouvers. Each move makes a telling blow. Black finds
that 17...Rc8 is inadequate on account of 18.Rxd7 Qxd7 19.Nb6
and wether he plays 19...Qc7 20.Nxc8 Rxc8 21.Rc1 or 19...Nxb4
20.Nxd7 Nxc2 21.Nxf8 a piece is lost.} Nxb4 {Despair, which as
usual merely hastens the end.} 18. axb4 Rc8 19. Rxd7 {!} Qxd7
20.Nb6 {Again White comes out a piece ahead. It is a pleasing
touch that the Knight, en prise for six moves, should have the
last word.} 1-0

[Event "Curacao ct"]
[Site "Curacao ct"]
[Date "1962.??.??"]
[EventDate "?"]
[Round "23"]
[Result "1-0"]
[White "Petrosian"]
[Black "Viktor Korchnoi"]
[ECO "A31"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "41"]

1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 d5 6. Bg5
dxc4 7. e3 Qa5 8. Bxf6 exf6 9. Bxc4 Bb4 10. Rc1 a6 11. O-O Nd7
12. a3 Be7 13. b4 Qe5 14. f4 Qb8 15. Bxf7+ Kxf7 16. Qb3+ Ke8
17. Nd5 Bd6 18. Ne6 b5 19. Ndc7+ Ke7 20. Nd4 Kf8 21. Nxa8 1-0

[Event "Ch URS"]
[Site "Moscow"]
[Date "1951.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Vasily Smyslov"]
[ECO "D15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "101"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c6 5. e4 b5 6. e5 Nd5
7. a4 e6 8. axb5 Nxc3 9. bxc3 cxb5 10. Ng5 Bb7 11. Qh5 g6
12. Qg4 Be7 13. Be2 Nd7 14. h4 h5 15. Qg3 Nb6 16. O-O a5
17. d5 Nxd5 18. Rd1 Qc7 19. Ne4 O-O-O 20. Bg5 Bxg5 21. Qxg5 a4
22. Qg3 f5 23. Nd6+ Rxd6 24. exd6 f4 25. Qxg6 Qxd6 26. Bf3 Bc6
27. Re1 Re8 28. Bxd5 Qxd5 29. Rad1 Qf5 30. Qxf5 exf5 31. Rxe8+
Bxe8 32. f3 Kc7 33. Kf2 Kb6 34. Ke2 Ka5 35. Rb1 a3 36. Kd2 b4
37. cxb4+ Ka4 38. Kc3 a2 39. Ra1 Ka3 40. Kxc4 Kb2 41. Re1 a1=Q
42. Rxa1 Kxa1 43. b5 Bd7 44. b6 Bc8 45. Kd4 Kb2 46. Ke5 Kc3
47. Kxf4 Kd4 48. Kg5 Ke5 49. Kxh5 Kf6 50. g4 Bb7 51. Kh6 1-0

[Event "Training Tournmament"]
[Site "Tbilisi"]
[Date "1945.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Kelendzheridze"]
[ECO "C17"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "37"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Qa5 6.axb4 Qxa1 7.Nb5
Na6 8.bxc5 Ne7 9.Nd6+ Kf8 10.Nf3 Nf5 11.Bd3 Nxd6 12.cxd6 Nb4
13.O-O Bd7 14.Ng5 h6 15.Nh7+ Ke8 16.Qg4 g5 17.Bxg5 Qa5 18.Bf6
Nxd3 19.Bxh8 1-0

[Event "USSR 17/605"]
[Site "USSR 17/605"]
[Date "1974.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "Yuri Balashov"]
[ECO "E54"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "55"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 c5 5.Bd3 d5 6.Nf3 O-O 7.O-O
dxc4 8.Bxc4 Nc6 9.Bd3 cxd4 10.exd4 Be7 11.Re1 b6 12.a3 Bb7
13.Bc2 Rc8 14.Qd3 Re8 15.d5 exd5 16.Bg5 Ne4 17.Nxe4 dxe4
18.Qxe4 g6 19.Qh4 Qc7 20.Bb3 h5 21.Qe4 Kg7 22.Bxf7 Kxf7 23.Bh6
Qd6 24.Qc4+ Kf6 25.Rad1 Nd4 26.Qxd4+ Qxd4 27.Rxd4 Rc5 28.h4
1-0

[Event "Ilford"]
[Site "Ilford"]
[Date "1977.??.??"]
[EventDate "?"]
[Round "6"]
[Result "1-0"]
[White "Petrosian"]
[Black "Viktor Korchnoi"]
[ECO "D41"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "73"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3
7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4
Nc6 12. O-O b6 13. Rfe1 Bb7 14. Rad1 Ne7 15. d5 exd5 16. exd5
Nf5 17. Ne5 Nd6 18. Nc6 Bxc6 19. dxc6 Nxc4 20. Qf4 Nd6
21. Rxd6 Qc7 22. g3 h6 23. Qe5 Rac8 24. Qd5 Kh7 25. Re4 Kg8
26. Kg2 a6 27. h4 b5 28. g4 Kh7 29. Re2 Kh8 30. g5 h5 31. Rd2
Rfe8 32. Qf3 g6 33. R2d5 Rf8 34. Rf6 Qe7 35. Rd7 Qe8 36. Rxg6
Qe5 37. Qxh5# 1-0

[Event "Moscow Team Championship"]
[Site "Moscow"]
[Date "1958.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Petrosian"]
[Black "F Ignatiev"]
[ECO "D15"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "63"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5
7. a4 e6 8. axb5 Nxc3 9. bxc3 cxb5 10. Ng5 Bb7 11. Qh5 g6
12. Qg4 Be7 13. h4 h6 14. Ne4 h5 15. Qf4 Nd7 16. Be2 Nb6
17. Nd6+ Bxd6 18. exd6 Nd5 19. Qe5 Qf6 20. Qg3 Qf5 21. O-O O-O
22. Ra5 a6 23. Re1 Kh7 24. Bf3 Qd3 25. Ra3 Ra7 26. d7 Nxc3
27. Qg5 Bxf3 28. Qh6+ Kg8 29. Qxf8+ Kxf8 30. d8=Q+ Kg7
31. Bh6+ Kh7 32. Qf6 1-0

