[Event "2023 Spring Marathon"] [Site "https://lichess.org/IXZ2YenH"] [Date "2023.04.15"] [White "DEMENBAN"] [Black "BooomBoss"] [Result "1-0"] [UTCDate "2023.04.15"] [UTCTime "14:41:42"] [WhiteElo "2187"] [BlackElo "2567"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-10"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "120+0"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Classical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. b3 d5 { A01 Nimzo-Larsen Attack: Classical Variation } 2. Bb2 Nf6 3. Nf3 c5 4. c4?! { (0.21 → -0.70) Inaccuracy. e3 was best. } (4. e3 g6 5. c4 dxc4 6. Bxc4 Bg7 7. O-O Nc6 8. h3 O-O) 4... Nc6?! { (-0.70 → 0.07) Inaccuracy. d4 was best. } (4... d4 5. b4 a6 6. e3 dxe3 7. fxe3 cxb4 8. d4 g6 9. a3) 5. cxd5 Nxd5 6. g3 Bg4?! { (-0.46 → 0.16) Inaccuracy. f6 was best. } (6... f6 7. Nc3 e5 8. Bg2 Be6 9. O-O Qd7 10. Ne4 Be7 11. Rc1) 7. Bg2 e6?! { (-0.09 → 0.46) Inaccuracy. f6 was best. } (7... f6 8. h3 Bh5 9. O-O e5 10. Nc3 Nc7 11. Rc1 Ne6 12. d3) 8. h3 Bxf3 9. Bxf3 Be7?! { (0.31 → 0.90) Inaccuracy. Rc8 was best. } (9... Rc8 10. Nc3 Nf6 11. e3 Be7 12. O-O O-O 13. Qe2 Qd7 14. d3 h6 15. Rfd1 Rfd8 16. Bg2) 10. Bxg7 Rg8 11. Bb2 Nd4 12. Bxd4 cxd4 13. Qc2?? { (0.92 → -1.16) Blunder. a4 was best. } (13. a4) 13... Rc8 14. Qb2 Bf6 15. d3 Nc3?? { (-1.39 → 2.11) Blunder. Ne3 was best. } (15... Ne3) 16. O-O?! { (2.11 → 1.04) Inaccuracy. Bxb7 was best. } (16. Bxb7) 16... h5 17. Bxh5?? { (1.16 → -0.84) Blunder. Nxc3 was best. } (17. Nxc3) 17... Qd6?? { (-0.84 → 0.96) Blunder. Be5 was best. } (17... Be5 18. Nxc3) 18. Kh2 Rh8? { (0.59 → 1.77) Mistake. Bh4 was best. } (18... Bh4 19. Bg4) 19. Bf3 Ke7?! { (1.77 → 2.95) Inaccuracy. b5 was best. } (19... b5 20. Nd2 Qb8 21. Rac1 Be5 22. Bg2 Rg8 23. Kh1 Ke7 24. Nf3 b4 25. Qd2 Bf6 26. Kh2) 20. Nd2?! { (2.95 → 2.08) Inaccuracy. Bxb7 was best. } (20. Bxb7 Rcg8 21. Bf3 Qc7 22. Qa3+ Kd8 23. Nxc3 dxc3 24. d4 Rh4 25. e3 Be7 26. Qa4 Bd6) 20... Rcg8 21. Nc4 Qc7? { (2.13 → 3.73) Mistake. Qb8 was best. } (21... Qb8 22. a4) 22. Rg1?? { (3.73 → 1.17) Blunder. Qa3+ was best. } (22. Qa3+ Kd8 23. Qxa7 b5 24. Qxc7+ Kxc7 25. Nd2 Bg5 26. Ne4 f5 27. Nxg5 Rxg5 28. Rfc1 Kd6) 22... b5 23. Nd2 Be5 24. Ne4 f5 25. Nxc3?! { (1.09 → 0.26) Inaccuracy. Qa3+ was best. } (25. Qa3+) 25... dxc3 26. Qa3+ Bd6 27. Qa6 b4? { (-0.05 → 1.11) Mistake. c2 was best. } (27... c2) 28. Qc4? { (1.11 → -0.33) Mistake. d4 was best. } (28. d4 Rg6) 28... Qxc4 29. bxc4 f4 30. g4 Kf6 31. d4 e5 32. c5 Bc7? { (0.48 → 1.93) Mistake. Bb8 was best. } (32... Bb8) 33. d5 a5 34. d6 Bb8 35. Rad1 Rd8?! { (2.59 → 3.81) Inaccuracy. a4 was best. } (35... a4) 36. g5+ Kg7 37. Rd5 a4 38. Rxe5?! { (4.13 → 2.65) Inaccuracy. Rc1 was best. } (38. Rc1 Rc8 39. Bg4 Rce8 40. a3 b3 41. Rxc3 e4 42. Rc4 b2 43. Rb4 Bxd6 44. cxd6 Rb8) 38... b3?? { (2.65 → 7.54) Blunder. Rhe8 was best. } (38... Rhe8 39. Rf5 b3 40. axb3 axb3 41. Bd5 Rxe2 42. Rf7+ Kg6 43. Rf6+ Kg7 44. Bxb3 Rxf2+ 45. Rg2) 39. axb3?! { (7.54 → 5.62) Inaccuracy. Re7+ was best. } (39. Re7+ Kg6 40. Be4+ Kh5 41. g6 Bxd6 42. cxd6 Rxd6 43. axb3 c2 44. bxa4 c1=Q 45. Rxc1 Rxg6) 39... axb3? { (5.62 → 37.10) Mistake. Rhf8 was best. } (39... Rhf8 40. bxa4 Rxd6 41. Re7+ Rf7 42. Re8 Bc7 43. Rc1 Rg6 44. h4 Rxg5 45. hxg5 c2 46. Kh3) 40. Re7+ Kf8? { (7.79 → Mate in 13) Checkmate is now unavoidable. Kg6 was best. } (40... Kg6 41. Be4+ Kh5 42. Bd5 Rdf8 43. Bxb3 Bxd6 44. cxd6 c2 45. Bxc2 Rd8 46. g6 Rxd6 47. g7) 41. g6 Rg8 42. g7+?! { (Mate in 7 → 10.64) Lost forced checkmate sequence. Rf7+ was best. } (42. Rf7+ Ke8 43. Bc6+ Rd7 44. Rxd7 Rh8 45. g7 Rxh3+ 46. Kxh3 Bxd6 47. g8=Q+ Bf8 48. Qg6#) 42... Rxg7 43. Rgxg7 Bxd6 44. cxd6 Rxd6 45. Ref7+ Ke8 46. Bh5 Rg6 47. Bxg6 { Black resigns. } 1-0