[Event "Casual classical game"] [Site "https://lichess.org/cMylUUiA"] [Date "2020.11.11"] [White "lichess AI level 5"] [Black "chenyuan"] [Result "0-1"] [UTCDate "2020.11.11"] [UTCTime "11:03:32"] [WhiteElo "?"] [BlackElo "2150"] [Variant "Standard"] [TimeControl "720+20"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. e3 { A00 Van't Kruijs Opening } d5 2. c3?! { (0.27 → -0.41) Inaccuracy. Nf3 was best. } (2. Nf3 e6 3. d4 Nf6 4. b3 b6 5. Bd3 c5 6. Bb2 Bd6) 2... Nf6 3. Be2?! { (-0.09 → -0.87) Inaccuracy. d4 was best. } (3. d4 e6 4. Nf3 Bd6 5. Nbd2 O-O 6. Bd3 Nbd7 7. O-O e5) 3... c5?! { (-0.87 → -0.13) Inaccuracy. e5 was best. } (3... e5 4. d4 e4 5. c4 c6 6. Nc3 Be7 7. Bd2 O-O 8. g4) 4. b4?! { (-0.13 → -1.18) Inaccuracy. d4 was best. } (4. d4 e6 5. Nf3 Bd6 6. dxc5 Bxc5 7. O-O O-O 8. Nbd2 a5 9. b3 Nc6 10. Bb2 e5) 4... e6?! { (-1.18 → -0.09) Inaccuracy. c4 was best. } (4... c4 5. f4 a5 6. Nf3 Bf5 7. O-O e6 8. d3 cxd3 9. Bxd3 Bxd3 10. Qxd3 Nbd7 11. b5) 5. Ba3? { (-0.09 → -1.20) Mistake. bxc5 was best. } (5. bxc5 Bxc5 6. Nf3 O-O 7. d4 Be7 8. O-O b6 9. Bb2 Bb7 10. Nbd2 Nc6 11. Rc1 Na5) 5... Nbd7? { (-1.20 → 0.00) Mistake. c4 was best. } (5... c4) 6. bxc5 Bxc5 7. Nf3 Qa5 8. Bxc5 Nxc5 9. c4 O-O 10. Qc1? { (-0.27 → -1.91) Mistake. cxd5 was best. } (10. cxd5 Nxd5) 10... Nb3 11. axb3 Qxa1 12. d4 dxc4 13. Nfd2? { (-2.55 → -4.24) Mistake. bxc4 was best. } (13. bxc4 b5) 13... c3?! { (-4.24 → -2.85) Inaccuracy. cxb3 was best. } (13... cxb3 14. Nxb3) 14. Qxc3 Qxc3 15. Nxc3 a6?! { (-3.25 → -2.38) Inaccuracy. Bd7 was best. } (15... Bd7) 16. Bf3 Rb8 17. g4 b5 18. h3 h6 19. O-O Bb7 20. b4? { (-2.95 → -5.59) Mistake. Bxb7 was best. } (20. Bxb7 Rxb7) 20... Bxf3 21. Nxf3 Rfc8 22. Ne2 Rc2? { (-5.49 → -3.42) Mistake. Nd5 was best. } (22... Nd5) 23. Nf4 g5 24. Nd3 Rc3 25. Nc5 Ra8 26. Ne5 a5 27. bxa5 Rxa5 28. Nb7 Raa3 29. Nd6 Rab3? { (-3.94 → -1.96) Mistake. Ra6 was best. } (29... Ra6 30. Nexf7) 30. Nexf7 b4 31. h4 Rb2 32. Nxh6+ Kh7 33. hxg5 Nd5 34. Ndf7?? { (-1.55 → -7.24) Blunder. Ne4 was best. } (34. Ne4 Rcc2) 34... b3 35. Ne5?? { (-4.19 → -12.75) Blunder. Nd8 was best. } (35. Nd8 Rbc2) 35... Rbc2 36. Nd7 b2 37. Nf8+ Kg7 38. Nd7?! { (-14.24 → Mate in 13) Checkmate is now unavoidable. Nxe6+ was best. } (38. Nxe6+ Kg6) 38... Rc1 39. Nc5?! { (-17.93 → Mate in 12) Checkmate is now unavoidable. Nf6 was best. } (39. Nf6 Rxf1+) 39... Rxf1+ 40. Kxf1 b1=Q+ 41. Kg2 Rc1 42. e4?! { (-14.30 → Mate in 6) Checkmate is now unavoidable. Nxe6+ was best. } (42. Nxe6+ Kg6) 42... Rg1+ 43. Kh2 Rh1+ 44. Kg2 Qg1+ 45. Kf3 Rh3+ 46. Ke2 Nc3+ 47. Kd2 Qd1# { Black wins by checkmate. } 0-1