Petrosian vs Gipslis
427
[Event "Soviet Championship"]
[Site "?"]
[Round "0"]
[White "Petrosian"]
[Black "Gipslis"]
[Result "1-0"]
[ECO "A15"]
[Opening "English: Anglo-Indian, 2.Nf3"]
1. c4 Nf6 2. Nf3 e6 3. Nc3 c5 4. e3 d5 5. d4 Be7 6. cxd5 exd5 7. dxc5 { White
has succeeded in giving Black an isolated d-pawn.} 7... Bxc5 8. Be2 O-O 9. O-O
Nc6 10. b3 Be6 { 10...d4 Trying to get rid of the isolated pawn would fail to
11.Na4} 11. Bb2 Qe7 12. Nb5 {A key strategy against the isolated pawn is to
post a piece in front of it as no enemy pawn can drive it away. This is known
as a blockade.} 12... a6 13. Nbd4 Nxd4 14. Nxd4 Ba3 {A mistake since every
exchange will only make the isolani weaker. Black should strive for middlegame
complications with 14...Ne4. This targets the c3 square, which is vulnerable
if the bishop moves from b2.} 15. Qc1 { 15.Bxa3 Qxa3 16.Qc1 White has a
stronger position than in the game.} 15... Bxb2 16. Qxb2 Rac8 17. Rac1 h6 18.
Bd3 Qd6 19. h3 {White is better since the Black pieces are tied to the defence
of the isolated pawn.} 19... Nd7 20. Nf5 Bxf5 21. Bxf5 g6 22. Bg4 h5 23. Bf3
Ne5 24. Be2 {A rather amusing pawn configuration for Black. All his pawns are
on White squares which of course can be attacked by White's light squared
bishop.} 24... Rxc1 25. Rxc1 Rd8 26. Rd1 Qf6 27. Qd4 Qe7 28. Qb6 Rd7 29. b4 {
Played with the idea of loosening up Black's queenside.} 29... Nc6 30. Bxa6
Nxb4 {30...bxa6 31.Qxc6} 31. Bb5 Rc7 32. a3 Nc2 33. Rxd5 Nxa3 34. Qd4 { Black
has successfully parted with his isolated d-pawn. However, new problems have
arisen namely his vulnerable back rank.} 34... Rc8 35. Bd3 { Threatening to
gain a pawn with 36. Rd7.} 35... b5 36. Bxg6 {The 8th rank having been
defended White turns his attention to the seventh rank.} 36... fxg6 37. Rd7
Qf8 38. Qd5+ Kh8 39. Qe5+ Kg8 40. Qe6+ Kh8 { Black resigned as mate would soon
follow on 41. Qxg6.} 1-0
1-0
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