[Event "Soviet Championship"] [Site "?"] [Round "0"] [White "Petrosian"] [Black "Smyslov"] [Result "1-0"] [ECO "A17"] [Opening "English: Anglo-Queen's Indian"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. d4 Bb7 5. a3 d5 6. cxd5 Nxd5 7. e3 {Petrosian was successful with this line but it didn't become popular until Kasparov took it up in the 1980s.} 7... 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 {This weakens the Black kingside. 15...Bf6 Followed by g6 would be less weakening.} 16. Rfd1 O-O 17. Bc3 Qb8 18. Qa4 {The queen prepares to switch over to the kingside attack.} 18... Rfd8 19. Qe4 {White forces another weakening in the Black pawn structure due to the threat of Qh7+.} 19... g6 {Look at this position. All Black's pieces are on the queenside, and the king stands naked in the corner. White will destroy the Black fortress with a strong attack, using his better-placed pieces.} 20. Qg4 h5 { 20...Kh7 21.Bxg6+ fxg6 22.Qxe6 Gives White a winning attack.} 21. Qh3 f5 { Played with the idea of stopping White from playing pawn g4. However, Black has new problems on the a2-g8 diagonal.} 22. Bc4 Rxd1+ 23. Rxd1 Kf7 24. e4 { After this central break Black's position collapses .} 24... Qf4 25. Re1 Qg4 26. exf5 { White sacrifices his bishop in order to break open Black's king position.} 26... Qxc4 {26...gxf5 27.Bxe6+ Kf8 28.Bxc8} 27. fxg6+ Ke8 {Now White has a powerful passed pawn, which also helps the attack by covering the f7-square. 27...Kxg6 28.Rxe6+ Kf7 29.Rxc6 Qxc6 30.Ne5+ when White wins the queen.} 28. g7 e5 {28...Kd7 29.Rd1+ Kc7 30.Qg3+ Wins material for White.} 29. Qxh5+ Kd7 30. Rd1+ Bd6 31. Bxe5 Nd4 {31...Nxe5 32.Nxe5+} 32. Nxd4 { Black resigned. 32.Nxd4 Bxe5 33.Nf3+ Bd6 34.Ne5+ would win the Black queen.} 1-0