[Event "Casual correspondence game"] [Site "https://lichess.org/MDcsPbMF"] [Date "2015.11.19"] [White "Queenmate"] [Black "lichess AI level 5"] [Result "1-0"] [UTCDate "2015.11.19"] [UTCTime "18:16:05"] [WhiteElo "1500"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A57"] [Opening "Benko Gambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 c5 3. d5 b5 { A57 Benko Gambit } 4. b3?! { (0.39 → -0.30) Inaccuracy. cxb5 was best. } (4. cxb5 e6 5. Nc3 exd5 6. Nxd5 Bb7 7. Nxf6+ Qxf6 8. Nf3 d5 9. e4 Qe7 10. Be2 dxe4 11. Nd2 Nd7 12. Nc4 Nb6 13. O-O Nxc4) 4... b4?! { (-0.30 → 0.32) Inaccuracy. e6 was best. } (4... e6 5. e3 exd5 6. cxb5 a6 7. Nc3 Bb7 8. Nf3 axb5 9. Nxb5 Ne4 10. Bd3 c4 11. Bxe4 dxe4 12. Nd2 cxb3 13. Qxb3) 5. a3 e6 6. d6?! { (0.23 → -0.81) Inaccuracy. axb4 was best. } (6. axb4 exd5 7. b5 Bb7 8. e3 a6 9. Nc3 axb5 10. Rxa8 Bxa8 11. cxb5 Ne4 12. Nxe4 dxe4 13. Bb2 Bb7 14. Be2 Qa5+ 15. Qd2 Qxd2+) 6... Ne4 7. Nf3 Bxd6 8. Nbd2 Nc3 9. Qc2 Bb7 10. e4 h5 11. h3 Nc6 12. Bd3 Nd4 13. Nxd4 cxd4 14. axb4 Qg5 15. O-O Qg6? { (-0.76 → 0.54) Mistake. Bxb4 was best. } (15... Bxb4 16. Nb1 Qe5 17. f3 Qc5 18. Nxc3 dxc3+ 19. Qf2 Qxf2+ 20. Kxf2 f6 21. Be3 a5 22. Bd4 e5 23. Bb6 Ke7 24. Be3 Ke6) 16. Nf3 Nxe4? { (0.26 → 1.82) Mistake. Bxe4 was best. } (16... Bxe4 17. Bxe4 Qxe4 18. Qxe4 Nxe4 19. Re1 f5 20. c5 Bc7 21. Bb2 e5 22. Nh4 O-O 23. Nxf5 Rxf5 24. Rxe4 d6 25. f4 d5 26. Rxe5) 17. Nh4 Qh7 18. c5 Be5?? { (1.17 → 3.27) Blunder. Be7 was best. } (18... Be7 19. Nf3 f5 20. Bb5 Bd5 21. Ne5 Bf6 22. Nxd7 Kf7 23. Nxf6 gxf6 24. Bc4 Nc3 25. Qd3 Bxc4 26. Qxc4 Qg6 27. Bb2) 19. b5 f5 20. c6 Rc8 21. Rxa7 dxc6?? { (2.99 → 7.90) Blunder. Bxc6 was best. } (21... Bxc6 22. bxc6 Rxc6 23. Qa2 Bf6 24. Nf3 g5 25. Qa3 Qg7 26. Bb5 Rd6 27. Nd2 Be7 28. Nxe4 fxe4 29. f3 O-O 30. fxe4 Rxf1+ 31. Kxf1) 22. Rxb7?! { (7.90 → 5.17) Inaccuracy. Qc4 was best. } (22. Qc4 Qg8 23. Bxe4 fxe4 24. Rxb7 Bf6 25. Ng6 e5 26. Nxh8 Qxc4 27. bxc4 cxb5 28. cxb5 Rd8 29. Nf7 Rd7 30. Rxd7 Kxd7 31. Re1 g6) 22... Bf6 23. Nf3?! { (7.65 → 5.61) Inaccuracy. Ba3 was best. } (23. Ba3 c5 24. Qc4 O-O 25. Qxe6+ Kh8 26. Nxf5 Ng5 27. Qc4 Qg8 28. Qxg8+ Kxg8 29. Nd6 Rcd8 30. Bxc5 Be5 31. Nf5 Rxf5 32. Bxf5 Rd5) 23... O-O 24. Bc4 Nc5 25. Rb6 g6 26. b4 cxb5 27. bxc5 bxc4 28. Qxc4 Qa7 29. Qxe6+ Qf7 30. Qxf7+ Kxf7 31. Bg5 Kg7 32. Rb7+ Kg8 33. Bxf6 Rxf6 34. Nxd4 f4 35. c6 Rd6 36. c7 Rd7 37. Ne6 Kf7 38. Re1 Re7 39. Nd8+ Ke8 40. Rxe7+ Kxe7 41. Nc6+ Kd6?! { (6.74 → 45.18) Inaccuracy. Kd7 was best. } (41... Kd7 42. Ne5+ Kd6 43. Nxg6 f3 44. gxf3 Kd7 45. Kh2 Kc6 46. Rb2 Kd7 47. Rd2+ Kxc7 48. Rc2+ Kb8 49. Rxc8+ Kxc8 50. h4 Kc7 51. Kg2) 42. Na7 Kd7 43. Nxc8 Kxc8 44. Ra7 h4 45. Kh2 g5 46. g3 hxg3+?! { (63.80 → Mate in 11) Checkmate is now unavoidable. fxg3+ was best. } (46... fxg3+ 47. fxg3 Kd7 48. Kg2 Kc8 49. gxh4 gxh4 50. Kf3 Kd7 51. Kg4 Kc8 52. Kxh4 Kd7 53. Kg4 Kc8 54. h4 Kd7 55. h5 Kc8 56. h6) 47. fxg3 Kd7 48. gxf4 Kc8 49. fxg5 Kd7 50. h4 Kc8 51. g6 Kd7 52. h5 Ke6 53. c8=Q+ Kd5 54. Qe8 Kc5 55. Rd7 Kc4 56. Qc8+ Kb3 57. Rb7+ Ka2 58. Qa8# { White wins by checkmate. } 1-0