[Event "Belgrade"] [Site "?"] [Round "0"] [White "Czerniak"] [Black "Petrosian"] [Result "0-1"] [ECO "B50"] [Opening "Sicilian: 2.Nf3 d6 3.c3 Nf6"] 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Qc7 5. d3 g6 6. Be2 {White is playing the opening with no ambition whatsoever, and Black achieves a comfortable game effortlessly.} 6... Bg7 7. O-O O-O 8. h3 b6 9. Bf4 Nbd7 10. Nbd2 Bb7 11. Bh2 e5 12. Nh4 {12.Nc4 would be more solid.} 12... d5 {After White has taken a piece away from the center, Black wastes no time in grabbing the initiative.} 13. f4 {13.Nhf3 White should admit his last move was a mistake and bring the knight back into play.} 13... exf4 14. Bxf4 Qd8 15. Nhf3 Re8 16. Rad1 {White uses man" coverage by setting up an opposition between this rook and the enemy queen. This indirectly prevents Black from taking the e- pawn.} 16... c4 { White will be unable to maintain his center against the powerful blows being hammered upon it. 16...dxe4 17.Nxe4 Nxe4 18.dxe4 Bxe4 19.Qa4 Bf5 20.Bb5} 17. e5 cxd3 18. Bxd3 Nh5 19. Bg5 Qc7 20. Bb5 Qc5+ 21. Nd4 { With this blockade White locks the Bb7 out of the game.} 21... Rxe5 { Black has won a pawn. However, some tactical complications come with it.} 22. N2f3 Rxg5 23. Bxd7 { 23.Nxg5 Bxd4+ 24.Rxd4 Qxb5 25.Rxf7 Rf8 26.Rxf8+ Nxf8 27.Qf2 Qd7} 23... Rg3 24. Qf2 Qc7 25. Bg4 Nf6 {25...Re8 26.Bxh5 gxh5 27.Nf5} 26. Nb5 Qb8 27. Nh2 h5 28. Bf3 Rg5 {The main tactics are over with Black keeping his pawn advantage.} 29. Rfe1 a6 30. Na3 {The White knights are misplaced away from the center.} 30... Qc7 31. c4 Ne4 32. Qe3 Bh6 33. Qd4 Bf8 {White has no way out of the coming pin. } 34. Qe3 Bc5 35. Rd4 Re8 36. Nc2 Rge5 37. Qh6 Ng5 38. Qxg5 Bxd4+ 39. Nxd4 Rxe1+ 40. Nf1 {White resigned as Black is two exchanges ahead.} 0-1