[Event "Casual correspondence game"] [Site "https://lichess.org/AnR81zyu"] [Date "2021.12.29"] [White "nancyyuan"] [Black "lichess AI level 4"] [Result "1-0"] [UTCDate "2021.12.29"] [UTCTime "01:15:58"] [WhiteElo "1628"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D10"] [Opening "Slav Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c6 2. c4 d5 { D10 Slav Defense } 3. c5?! { (0.28 → -0.80) Inaccuracy. Nf3 was best. } (3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Qb3 Qb6) 3... Nf6 4. Nf3 Bf5 5. e3 e6 6. Bd3 b6 7. O-O? { (-0.07 → -1.72) Mistake. Bxf5 was best. } (7. Bxf5 exf5 8. b4 a5 9. Qa4 Ne4 10. Bd2 g6 11. O-O b5 12. Qb3 a4 13. Qc2 Bg7) 7... bxc5? { (-1.72 → -0.19) Mistake. Bxd3 was best. } (7... Bxd3 8. Qxd3 bxc5 9. Nc3 Nbd7 10. e4 cxd4 11. Nxd4 Rc8 12. Qg3 dxe4 13. Rd1 Qb6 14. h3) 8. dxc5?? { (-0.19 → -2.06) Blunder. Bxf5 was best. } (8. Bxf5 exf5) 8... Ne4? { (-2.06 → -0.83) Mistake. Bxd3 was best. } (8... Bxd3) 9. Nd4 Qh4?? { (-0.94 → 2.15) Blunder. Bxc5 was best. } (9... Bxc5 10. Nxf5 exf5 11. Qc2 Qe7 12. b3 O-O 13. Bb2 Nd7 14. Nd2 Rfc8 15. Be2 Ba3 16. Bxa3) 10. Qe2?? { (2.15 → -0.73) Blunder. b4 was best. } (10. b4 Bg6) 10... h5?? { (-0.73 → 2.11) Blunder. Bxc5 was best. } (10... Bxc5 11. Nd2 O-O 12. Bxe4 dxe4 13. Nxf5 exf5 14. Rd1 Qf6 15. Nb3 Bb6 16. Qc4 Bc7 17. Qc2) 11. Nxf5? { (2.11 → 0.63) Mistake. b4 was best. } (11. b4 Bh7) 11... exf5 12. g3?? { (0.96 → -1.63) Blunder. b4 was best. } (12. b4 a5 13. b5 Bxc5 14. Bb2 Bd6 15. h3 a4 16. bxc6 O-O 17. Bb5 Rc8 18. Rc1 Na6) 12... Qf6 13. Nc3 Nd7 14. Nxe4?? { (-1.60 → -3.71) Blunder. f3 was best. } (14. f3) 14... dxe4 15. Bc4 a5? { (-2.50 → -0.89) Mistake. Ne5 was best. } (15... Ne5 16. h4) 16. f3?! { (-0.89 → -1.61) Inaccuracy. Bd2 was best. } (16. Bd2 Bxc5) 16... Qe7?? { (-1.61 → 0.70) Blunder. exf3 was best. } (16... exf3 17. Rxf3 Ne5 18. Rf4 Rd8 19. e4 Nxc4 20. Qxc4 h4 21. exf5 Rd1+ 22. Kg2 Be7 23. Qb3) 17. fxe4 Rd8? { (1.19 → 2.84) Mistake. Ne5 was best. } (17... Ne5 18. exf5) 18. Rxf5?? { (2.84 → 0.40) Blunder. Bd2 was best. } (18. Bd2 Ne5) 18... Ne5 19. Bd2?! { (0.43 → -0.58) Inaccuracy. Bd5 was best. } (19. Bd5 f6) 19... Nxc4 20. Qxc4?? { (-0.74 → -2.78) Blunder. Bc3 was best. } (20. Bc3 Qxe4 21. Rf4 Qxe3+ 22. Kf1 Qxe2+ 23. Kxe2 Nxb2 24. Re4+ Kd7 25. Bxb2 Bxc5 26. Rd1+ Bd6) 20... Rxd2 21. Qc3 Re2?? { (-3.13 → 6.41) Blunder. Qd7 was best. } (21... Qd7) 22. Re5 Rh6 23. Rxe7+ Kxe7 24. Qe5+ Kd7 25. Qd4+ Kc8 26. h4?! { (11.13 → 6.49) Inaccuracy. Rd1 was best. } (26. Rd1) 26... Be7 27. Kf1 Bf6 28. e5 Bxh4 29. Kxe2 Be7?! { (10.94 → Mate in 8) Checkmate is now unavoidable. Bd8 was best. } (29... Bd8 30. Rf1) 30. b4?! { (Mate in 8 → 11.20) Lost forced checkmate sequence. Rd1 was best. } (30. Rd1 Bd6 31. cxd6 Kb7 32. d7 Rh8 33. d8=N+ Rxd8 34. Qxd8 f5 35. Rd7+ Ka6 36. Qb8 a4) 30... Rg6?! { (11.20 → Mate in 7) Checkmate is now unavoidable. Rh8 was best. } (30... Rh8 31. e6) 31. bxa5?! { (Mate in 7 → 11.30) Lost forced checkmate sequence. Rd1 was best. } (31. Rd1 Kb8 32. Qd7 Rd6 33. exd6 Bg5 34. bxa5 Bd8 35. Rb1+ Bb6 36. Rxb6+ Ka8 37. Qb7#) 31... Rg4 32. Qc3 Ra4 33. Kf3 g5 34. Rh1 g4+ 35. Ke2 Rxa2+ 36. Kd3 Bd8 37. Rxh5 Rg2 38. Qa3 Rg1 39. a6 Be7?! { (34.82 → Mate in 7) Checkmate is now unavoidable. Kd7 was best. } (39... Kd7 40. a7) 40. Rh8+?! { (Mate in 7 → 147.95) Lost forced checkmate sequence. a7 was best. } (40. a7 Rd1+ 41. Kc2 Kd7 42. a8=Q Bd6 43. Kxd1 Bc7 44. Qd3+ Ke7 45. Qc8 f6 46. Qh7#) 40... Kc7?! { (147.95 → Mate in 6) Checkmate is now unavoidable. Kd7 was best. } (40... Kd7 41. a7) 41. Qa5+ Kd7 42. a7 Rd1+ 43. Ke2 Bf6 44. exf6 Ra1 45. Qxa1 Ke6 46. a8=Q Kd5 47. Qd4+ Ke6 48. Qe8+ Kf5 49. Qf4+ Kg6 50. Rh6# { White wins by checkmate. } 1-0