[Event "Rated classical game"] [Site "https://lichess.org/IEMIuDox"] [Date "2021.02.06"] [White "SirDio"] [Black "PedroHenriqueCosta"] [Result "1/2-1/2"] [UTCDate "2021.02.06"] [UTCTime "19:45:10"] [WhiteElo "1357"] [BlackElo "1221"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+12"] [Variant "Standard"] [TimeControl "3600+0"] [ECO "D20"] [Opening "Queen's Gambit Accepted: Central Variation, McDonnell Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 dxc4 3. e4 e5 { D20 Queen's Gambit Accepted: Central Variation, McDonnell Defense } 4. Nf3 Nc6?! { (0.36 → 0.97) Inaccuracy. exd4 was best. } (4... exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. b4 Bb6 9. a4) 5. Be3?? { (0.97 → -0.81) Blunder. d5 was best. } (5. d5 Nb8 6. Nxe5 Nf6 7. Nc3 b5 8. Nxb5 Bb4+ 9. Bd2 Qe7) 5... Nf6? { (-0.81 → 0.66) Mistake. exd4 was best. } (5... exd4 6. Nxd4 Nxd4 7. Qxd4 Qxd4 8. Bxd4 Be6 9. Nc3 O-O-O 10. O-O-O) 6. d5 Bb4+ 7. Nc3?! { (1.31 → 0.59) Inaccuracy. Nbd2 was best. } (7. Nbd2 Bxd2+ 8. Nxd2 Ne7 9. Bxc4 O-O 10. Bc5 b6 11. Ba3 Bd7 12. O-O Re8 13. Re1 c6) 7... Ne7?? { (0.59 → 5.52) Blunder. Bxc3+ was best. } (7... Bxc3+ 8. bxc3 Na5 9. Nxe5 Nxe4 10. Nxc4 Nxc4 11. Bxc4 O-O 12. O-O) 8. Bxc4?? { (5.52 → -0.52) Blunder. Qa4+ was best. } (8. Qa4+) 8... O-O?! { (-0.52 → 0.08) Inaccuracy. Bxc3+ was best. } (8... Bxc3+) 9. Nxe5?! { (0.08 → -0.81) Inaccuracy. Qc2 was best. } (9. Qc2) 9... Nxe4 10. Qb3?? { (-0.14 → -2.83) Blunder. O-O was best. } (10. O-O Bxc3) 10... Bxc3+ 11. bxc3 Nd6?? { (-2.94 → -0.60) Blunder. Nf5 was best. } (11... Nf5 12. O-O) 12. O-O?! { (-0.60 → -1.64) Inaccuracy. Bd3 was best. } (12. Bd3 Nef5 13. Bd4 Nxd4 14. cxd4 Qh4 15. O-O Qxd4 16. Rfe1 g6 17. Nf3 Qf6 18. Rac1 Re8) 12... Bf5?? { (-1.64 → 0.49) Blunder. Nxc4 was best. } (12... Nxc4 13. Qxc4) 13. Bc5 Nxc4 14. Bxe7 Nd2 15. Qb4? { (-0.03 → -1.26) Mistake. Bxd8 was best. } (15. Bxd8 Nxb3 16. axb3 Rfxd8 17. c4 f6 18. Nf3 c6 19. dxc6 bxc6 20. h4 Be4 21. Rfe1 Bc2) 15... Qxd5 16. Bxf8 Nxf1 17. Bxg7 Kxg7 18. Rxf1?? { (-1.30 → -5.87) Blunder. Qf4 was best. } (18. Qf4 Re8) 18... Qxe5 19. Qxb7 Re8 20. Qf3 Qe2?? { (-5.41 → 0.69) Blunder. Bg6 was best. } (20... Bg6 21. h4) 21. Qxf5 Qxa2 22. Qg5+ Kf8 23. Qh6+ Ke7?? { (0.52 → 3.30) Blunder. Kg8 was best. } (23... Kg8 24. Qg5+) 24. Qg5+?? { (3.30 → 0.49) Blunder. Qxh7 was best. } (24. Qxh7) 24... Kd7?? { (0.49 → 5.08) Blunder. Kf8 was best. } (24... Kf8) 25. Qb5+ Kd8 26. Rd1+ Kc8?? { (5.08 → Mate in 11) Checkmate is now unavoidable. Ke7 was best. } (26... Ke7 27. Re1+ Qe6 28. Rxe6+ fxe6 29. Qb4+ Kd7 30. Qd4+ Kc8 31. Qxa7 h6 32. Qa4 Re7 33. g3) 27. Qxe8+ Kb7 28. Qe4+?! { (Mate in 10 → 11.70) Lost forced checkmate sequence. Qb5+ was best. } (28. Qb5+ Kc8 29. c4 a6 30. Qc6 Qb2 31. Re1 Qh8 32. Qa8+ Kd7 33. Qxh8 Kc6 34. Qe5 Kb7) 28... Ka6?! { (11.70 → Mate in 8) Checkmate is now unavoidable. Kb6 was best. } (28... Kb6) 29. Qd3+?! { (Mate in 8 → 11.50) Lost forced checkmate sequence. Qc6+ was best. } (29. Qc6+ Ka5 30. Qb7 c5 31. Qxa7+ Kb5 32. Qxa2 Kb6 33. Rd6+ Kc7 34. Qa6 h5 35. Qb6+ Kc8) 29... Ka5 30. Qf5+ Ka4?! { (11.25 → Mate in 7) Checkmate is now unavoidable. Kb6 was best. } (30... Kb6 31. c4) 31. Rd4+ Kb3 32. Qb5+ Kc2 33. Qe2+ Kb3 34. Qxa2+? { (Mate in 4 → 9.17) Lost forced checkmate sequence. Qc4+ was best. } (34. Qc4+ Kc2 35. Qxa2+ Kxc3 36. Rc4+ Kd3 37. Qc2#) 34... Kxa2 35. f4 Kb3 36. Rd7 a5 37. Rxc7 a4 38. Ra7 a3 39. c4 Kxc4 40. Rxa3 Kd5 41. Ra7 Ke6 42. f5+ Kxf5 43. Rxf7+ Kg6 44. Rxh7 Kxh7 45. Kf2 Kg6 46. h3 Kh6 47. Kf3 Kg6 48. g3 Kh6 49. h4 Kh7 50. Kf4 Kg7 51. h5 Kh6 52. g4 Kh7 53. Kf5 Kh6 54. Kf4 Kh7 55. g5 Kh8 56. Kf5 Kh7 57. h6 Kh8 58. Kf6 Kh7 59. g6+ Kh8 60. g7+ Kg8 61. Kg6?? { (Mate in 5 → 0.00) Lost forced checkmate sequence. h7+ was best. } { Draw by stalemate. } (61. h7+ Kxh7 62. Kf7 Kh6 63. g8=Q Kh5 64. Qg3 Kh6 65. Qh4#) 1/2-1/2