[Event "Warsaw Najdorf Memorial op-A"] [Site "Warsaw"] [Date "2010.07.24"] [Round "8"] [White "Zhigalko, Sergei"] [Black "Petrov, Marijan"] [Result "0-1"] [WhiteElo "2656"] [BlackElo "2535"] [Variant "Standard"] [TimeControl "-"] [ECO "B06"] [Opening "Pterodactyl Defense: Eastern, Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nc3 { B06 Pterodactyl Defense: Eastern, Benoni } d6 5. Nf3 Nf6 6. Bb5+ Bd7 7. a4 O-O 8. O-O Bg4 9. h3 Bxf3 10. Qxf3 Na6 11. Bg5 Nc7 12. Bc4 Re8 13. Rad1 Nd7 14. Qg3 a6 15. f4 Qb8 16. e5 b5 17. axb5 axb5 18. Be2 b4 19. Ne4 f5 20. Nd2 dxe5 21. Bc4 Nb5 22. Bxb5? { (-0.01 → -1.50) Mistake. d6+ was best. } (22. d6+ e6 23. Be7 Nxd6 24. Bxe6+ Kh8 25. Qh4 Bf8 26. Bxd6 Qxd6 27. Bxd7 Qxd7 28. Nc4 Qe7) 22... Qxb5 23. fxe5 Bxe5 24. Qh4?! { (-1.36 → -2.48) Inaccuracy. Qb3 was best. } (24. Qb3 Qa4 25. Qxa4 Rxa4 26. Nc4 Bd4+ 27. Kh1 Nf6 28. Bxf6 Bxf6 29. g4 Ra2 30. Rde1 Rd8) 24... Bd4+?! { (-2.48 → -1.56) Inaccuracy. Bxb2 was best. } (24... Bxb2 25. Nf3 e5 26. dxe6 Rxe6 27. Rfe1 Ne5 28. Nxe5 Bxe5 29. Bf4 Bf6 30. Bg5 Rxe1+ 31. Rxe1) 25. Kh1 e5 26. dxe6 Rxe6 27. b3 Nf6 28. Rfe1 Qc6 29. Rxe6 Qxe6 30. Nf3 Ne4 31. Nxd4 cxd4 32. Bf4 Qb6 33. Kh2 Qc5 34. Re1 Re8 35. Ra1 h5?! { (-1.25 → -0.62) Inaccuracy. Qb6 was best. } (35... Qb6 36. Qh6 Nf6 37. Qh4 Nd5 38. Re1 Rxe1 39. Qxe1 Nxf4 40. Qe8+ Kg7 41. Qe5+ Kf7 42. Qxf4) 36. Qe1?? { (-0.62 → -3.41) Blunder. Ra6 was best. } (36. Ra6 Kf7 37. Qe1 Re7 38. Qe2 h4 39. Ra8 Re6 40. Qd1 Kf6 41. Rd8 g5 42. Bb8 Nd6) 36... g5 37. Bxg5?! { (-3.13 → -4.51) Inaccuracy. Qd1 was best. } (37. Qd1 gxf4) 37... Qe5+ 38. Kg1 Nxg5 39. Qxb4?? { (-4.22 → -10.97) Blunder. Qh4 was best. } (39. Qh4 Qe3+ 40. Kh1 Ne4 41. Kh2 d3 42. cxd3 Qxd3 43. Qf4 h4 44. Rf1 Qxb3 45. Qxh4 Rf8) 39... Qe3+ 40. Kh1 Kh8?? { (-10.23 → -2.60) Blunder. Nxh3 was best. } (40... Nxh3 41. Qc4+ Kh8 42. gxh3 Qxh3+ 43. Kg1 Rg8+ 44. Qxg8+ Kxg8 45. Re1 Qg3+ 46. Kf1 Qf3+ 47. Kg1) 41. Qd6?! { (-2.60 → -3.45) Inaccuracy. Qb6 was best. } (41. Qb6 Ne6) 41... Ne6 42. Qd7 Rg8 43. Qf7 Qg5 44. g3?! { (-3.75 → -5.48) Inaccuracy. Qb7 was best. } (44. Qb7 Nc5 45. Qf3 Ne4 46. Kg1 Rc8 47. Qd1 Qe3+ 48. Kh2 Qg3+ 49. Kg1 Qf2+ 50. Kh2 Kg7) 44... Qg6? { (-5.48 → -2.87) Mistake. Nd8 was best. } (44... Nd8) 45. Ra7?! { (-2.87 → -4.41) Inaccuracy. Qxg6 was best. } (45. Qxg6 Rxg6) 45... Qxf7 46. Rxf7 Rxg3 47. Rxf5 Rxh3+ 48. Kg2 Rc3 49. Rf6? { (-3.31 → -6.50) Mistake. Rxh5+ was best. } (49. Rxh5+ Kg7) 49... Rxc2+ 50. Kg3 Rc3+ 51. Kh4 Ng7 { White resigns. } 0-1