[Event "Barium simul"] [Site "https://lichess.org/ivQkIlmB"] [Date "2015.07.07"] [White "FancyKnightMan"] [Black "jposthuma"] [Result "1-0"] [UTCDate "2015.07.07"] [UTCTime "22:47:48"] [WhiteElo "2027"] [BlackElo "1876"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "1200+60"] [ECO "A57"] [Opening "Benko Gambit Declined: Main Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 { A57 Benko Gambit Declined: Main Line } g6 5. Nc3?! { (0.64 → -0.11) Inaccuracy. cxb5 was best. } (5. cxb5 a6 6. Qc2 axb5 7. e4 b4 8. Qxc5 Nxe4 9. Qxb4 Qa5 10. Qxa5 Rxa5 11. Bd3 Nc5 12. Bc2 Bg7 13. Nc3 Ba6 14. Be3 O-O) 5... b4 6. Nb5?? { (0.00 → -1.93) Blunder. Na4 was best. } (6. Na4 d6 7. a3 a5 8. e3 e5 9. dxe6 fxe6 10. Bd3 Bg7 11. O-O O-O 12. b3 Nc6 13. Bb2 e5 14. Ng5 Bd7 15. Bc2) 6... a6 7. Qa4 Bb7 8. Be3 Qb6? { (-2.74 → -1.44) Mistake. e6 was best. } (8... e6 9. Nbd4 cxd4 10. Bxd4 exd5 11. cxd5 Bxd5 12. Rd1 Bc6 13. Qb3 Be7 14. e3 Bxf3 15. gxf3 O-O 16. Bh3 a5 17. Qc2 Nc6) 9. Nbd4 cxd4 10. Bxd4 Qc7 11. e4 Bg7 12. Qxb4 O-O 13. e5 Ng4? { (-1.39 → 0.04) Mistake. a5 was best. } (13... a5 14. Qb3 Ng4 15. Be2 Na6 16. Qc3 f6 17. exf6 Nxf6 18. O-O Rae8 19. Ng5 e5 20. dxe6 dxe6 21. f4 Ne4 22. Nxe4 Bxe4) 14. Qxe7 f6 15. e6 Ne5 16. Nd2 Qc8? { (-0.03 → 1.36) Mistake. Nbc6 was best. } (16... Nbc6 17. dxc6 Nxc6 18. Qc5 Rfe8 19. O-O-O Rxe6 20. Qb6 Qc8 21. Bc3 a5 22. Qb3 a4 23. Qc2 Bh6 24. Kb1 Ne5 25. h4 Ng4 26. Bd4) 17. Ne4 dxe6 18. Nd6 Qd7 19. Qxd7 Nbxd7 20. Nxb7 exd5 21. cxd5 Rfe8 22. O-O-O Rec8+ 23. Kb1 Rc7 24. Na5 Rac8? { (2.65 → 4.72) Mistake. Bf8 was best. } (24... Bf8 25. Be2 Bc5 26. h4 Bxd4 27. Rxd4 Nb6 28. d6 Rc5 29. Nb7 Rcc8 30. f4 Ned7 31. h5 a5 32. hxg6 hxg6 33. g3 f5) 25. d6 Rc2 26. Bxa6 Ra8 27. Bb7 Rxb2+ 28. Bxb2 Rxa5 29. f4 Ng4 30. Bc6 Nb8 31. Bd5+ Kf8 32. d7?! { (10.19 → 6.74) Inaccuracy. Bb3 was best. } (32. Bb3 Ke8 33. Rhe1+ Ne5 34. fxe5 fxe5 35. Rc1 Na6 36. Rc8+ Kd7 37. Ra8 Bf6 38. Rf1 Bg5 39. Bc3 Ra3 40. Ra7+ Kxd6 41. Rd1+ Kc6) 32... Nxd7 33. Be6 Nc5 34. Bxg4 Rb5 35. Be2 Rb8 36. Kc2 Ne4 37. Rd7 Rc8+ 38. Kb1 Rb8 39. Bc4 Bh6 40. Re1 f5 41. g3 Bg7 42. Rf7+ Kg8?! { (16.32 → Mate in 9) Checkmate is now unavoidable. Ke8 was best. } (42... Ke8 43. Rxg7 Rb4 44. Bb3 Rxb3 45. axb3 h5 46. Rxg6 Ke7 47. Rf6 Kd7 48. Rxf5 Nd2+ 49. Kc2 Nf3 50. Rd1+ Ke6 51. Rxh5 Kf7 52. f5) 43. Rb7+ Kf8 44. Rxb8+ Ke7 45. Rb7+?! { (Mate in 8 → 63.36) Lost forced checkmate sequence. Bxg7 was best. } (45. Bxg7 Kd6 46. Be5+ Kc5 47. Rc8+ Kb6 48. Kc2 Nd2 49. Kxd2 Kb7 50. Rc7+ Kb8 51. Rb1+ Ka8 52. Bd5#) 45... Kd6 46. Rxg7 Nd2+ 47. Kc2 Nxc4 48. Rxh7 Kd5 49. Rg7 g5 50. Rxg5 Nd6 51. Re5+ Kc4 52. Rgxf5 Kb4 53. Rf6 Nc4 54. Re4 Kb5 55. Rf5+ Kb4 56. a3+ Ka4 57. Rxc4# { White wins by checkmate. } 1-0