[Event "Rated rapid game"] [Site "https://lichess.org/Yj0FS98M"] [Date "2020.08.28"] [White "proofbycontradiction"] [Black "Peste1969"] [Result "1-0"] [UTCDate "2020.08.28"] [UTCTime "16:38:47"] [WhiteElo "1863"] [BlackElo "1801"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C41"] [Opening "Philidor Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 d6?! { (0.13 → 0.71) Inaccuracy. Nc6 was best. } { C41 Philidor Defense } (2... Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Bd6 6. d3 O-O 7. O-O) 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Bd3 h6?! { (0.05 → 0.69) Inaccuracy. g6 was best. } (7... g6 8. O-O Bg7 9. f3 O-O 10. Bg5 h6 11. Be3 d5 12. Bc5) 8. O-O Be7 9. Qf3?! { (0.99 → 0.00) Inaccuracy. f4 was best. } (9. f4 O-O 10. Qf3 Rb8 11. b3 Nd7 12. Be3 Bb7 13. Rae1 c5 14. Bd2 Re8 15. Nd5 Bh4) 9... Bg4?? { (0.00 → 1.72) Blunder. O-O was best. } (9... O-O 10. Qg3 Nh5 11. Qe3 Nf6) 10. Qg3 O-O 11. Bxh6 gxh6 12. h3 Qd7 13. hxg4?! { (1.78 → 0.93) Inaccuracy. f3 was best. } (13. f3 Nh5) 13... Qxg4 14. Qxg4+ Nxg4 15. f3 Ne5 16. Ba6 Kg7?! { (0.00 → 0.61) Inaccuracy. Rab8 was best. } (16... Rab8) 17. f4?! { (0.61 → -0.30) Inaccuracy. Rad1 was best. } (17. Rad1) 17... Ng6?! { (-0.30 → 0.54) Inaccuracy. Ng4 was best. } (17... Ng4) 18. Bb7 Rab8 19. Bxc6 Rxb2 20. f5? { (-0.10 → -1.33) Mistake. Nd5 was best. } (20. Nd5 Bd8) 20... Ne5?! { (-1.33 → -0.67) Inaccuracy. Rxc2 was best. } (20... Rxc2 21. fxg6 Rxc3 22. Bd5 Kxg6 23. Rac1 Rxc1 24. Rxc1 c5 25. Rc3 Kf6 26. Ra3 Rc8 27. Kf1) 21. Ba4 Bf6 22. Bb3 Ng4 23. Na4 Rxb3 24. axb3 Bxa1? { (-1.13 → 0.00) Mistake. Bd4+ was best. } (24... Bd4+ 25. Kh1 Bxa1 26. Rxa1 Nf2+ 27. Kg1 Nxe4 28. Nb2 Ra8 29. Nd1 Kf6 30. Ra4 Ke5 31. Nf2) 25. Rxa1 Re8 26. Nc3 Ra8 27. Nd5 c6 28. Nc7 Rc8 29. Rxa7 Ne3?! { (-0.46 → 0.14) Inaccuracy. Kf6 was best. } (29... Kf6 30. Kf1) 30. c3 Nc2? { (0.00 → 1.50) Mistake. Kf6 was best. } (30... Kf6 31. Na6 h5 32. Rd7 d5 33. exd5 cxd5 34. Nc7 d4 35. cxd4 Rb8 36. Nd5+ Nxd5 37. Rxd5) 31. Ne6+? { (1.50 → 0.33) Mistake. Kf2 was best. } (31. Kf2 Kf6) 31... Kf6 32. Nd4 Nxd4 33. cxd4 Rb8 34. Ra3 Rb4 35. Ra6 Rxd4 36. Rxc6 Ke5 37. Rc4?? { (0.00 → -12.61) Blunder. Rc7 was best. } (37. Rc7 Rxe4 38. Rxf7 Rf4 39. f6 Ke6 40. Rf8 h5 41. f7 h4 42. Kh2 Ke7 43. Rc8 Kxf7) 37... Rxe4?? { (-12.61 → -1.02) Blunder. Rxc4 was best. } (37... Rxc4) 38. Rxe4+?? { (-1.02 → -10.68) Blunder. Rc7 was best. } (38. Rc7 f6 39. Rb7 h5 40. b4 Kxf5 41. b5 Rb4 42. b6 h4 43. Rb8 Ke4 44. b7 Kd5) 38... Kxe4 39. g4?! { (-6.31 → -13.51) Inaccuracy. Kf2 was best. } (39. Kf2 Kd3) 39... Kd4 40. Kf2 Kc3 41. Ke3 Kxb3?? { (-12.66 → Mate in 20) Checkmate is now unavoidable. d5 was best. } (41... d5) 42. Kd4 Kc2 43. Kd5 Kd3 44. Kxd6 Ke4 45. Ke7?? { (Mate in 18 → -0.11) Lost forced checkmate sequence. f6 was best. } (45. f6 Kf3 46. Ke7 Kxg4 47. Kxf7 Kf5 48. Ke7 Ke5 49. f7 Kd5 50. f8=Q h5 51. Qf7+ Kd4) 45... Kf4?? { (-0.11 → Mate in 16) Checkmate is now unavoidable. h5 was best. } (45... h5 46. gxh5 Kxf5 47. Kxf7 Kg5 48. Ke6 Kh6 49. Kf5 Kxh5 50. Kf4 Kg6 51. Ke4 Kf6 52. Kd3) 46. Kxf7 Kxg4 47. f6 h5 48. Ke7 h4 49. f7 h3 50. f8=Q h2 51. Qf1 Kg3 52. Qh1 Kh3 53. Kf6 Kg3 54. Kf5 Kh3 55. Kg5 Kg3 56. Kh5 Kh3 57. Kg5 Kg3 58. Kf5 Kh3 59. Kf4 Kh4 60. Qxh2# { White wins by checkmate. } 1-0