[Event "2024 Spring Marathon"] [Site "https://lichess.org/tzy0YISa"] [Date "2024.05.11"] [White "Hadza_3"] [Black "pzpzzz"] [Result "1-0"] [UTCDate "2024.05.11"] [UTCTime "23:25:28"] [WhiteElo "2416"] [BlackElo "2450"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-7"] [WhiteTitle "FM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C47"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 { C47 Four Knights Game } 4. g3 Bc5 5. Bg2 d6 6. d3 h5?! { (-0.13 → 0.45) Inaccuracy. a5 was best. } (6... a5 7. O-O h6 8. h3 Be6 9. Kh2 a4 10. Rb1 O-O 11. b3) 7. h3 Be6 8. Na4 Bb6 9. Nxb6 axb6 10. O-O Qd7?! { (0.43 → 1.08) Inaccuracy. d5 was best. } (10... d5 11. Qe2) 11. Kh2?! { (1.08 → 0.12) Inaccuracy. Ng5 was best. } (11. Ng5 h4 12. f4 hxg3 13. f5 Bxa2 14. b3 Qe7 15. Nf3 b5 16. d4 exd4) 11... Ng4+? { (0.12 → 1.47) Mistake. d5 was best. } (11... d5 12. Be3 dxe4 13. dxe4 Bc4 14. Re1 Qxd1 15. Rexd1 O-O 16. Nh4 Be2) 12. hxg4 hxg4+ 13. Nh4 f6 14. Kg1 g5 15. Nf5 Qh7 16. Re1 Qh2+?! { (1.48 → 2.22) Inaccuracy. O-O-O was best. } (16... O-O-O 17. Be3) 17. Kf1 O-O-O 18. c3 Rh7 19. Qxg4 d5?! { (2.58 → 3.98) Inaccuracy. Kb8 was best. } (19... Kb8 20. b3) 20. exd5 Rxd5 21. Bxd5 Bxd5 22. Ne7+ Kb8 23. Nxd5 Qh1+ 24. Ke2 Qxd5 25. Qe4 Qd7 26. g4 Rh4 27. Qf5 Qf7?! { (3.48 → 4.71) Inaccuracy. Qd6 was best. } (27... Qd6 28. Be3 Ne7 29. Qf3 Qd7 30. Qxf6 Rxg4 31. Kd2 Qb5 32. Rab1 e4 33. Qd4) 28. Be3 Ne7 29. Qe4 Qe6 30. f3?! { (3.53 → 2.44) Inaccuracy. Qc4 was best. } (30. Qc4 Qc8 31. Bxb6 cxb6 32. Qxc8+ Kxc8 33. Rh1 Rxg4 34. Rag1) 30... Rh2+?! { (2.44 → 3.42) Inaccuracy. f5 was best. } (30... f5 31. Qc4 Rh2+ 32. Kd1 Qd7 33. a4 e4 34. a5 b5 35. Qd4 Qe6 36. Ra3) 31. Bf2 Nd5 32. Rf1 Nf4+ 33. Kd2 Qg8?! { (1.91 → 2.76) Inaccuracy. b5 was best. } (33... b5 34. Kc2 Nh3 35. Qe3 b6 36. a4 bxa4 37. Rxa4 Qc6 38. Qe4 Qxe4 39. dxe4) 34. Kc2 Nh3 35. Qe3 Nf4?! { (2.50 → 3.63) Inaccuracy. Qd5 was best. } (35... Qd5 36. c4) 36. Rh1 Rg2 37. Rag1 Nd5 38. Qd2 Rxg1 39. Rxg1 Qe8 40. Re1 Qc6 41. Kb1 Nf4 42. Qe3 Qd5 43. d4 exd4?! { (4.42 → 5.64) Inaccuracy. Ng2 was best. } (43... Ng2 44. Qe4 Qd7 45. Ka1 Nxe1 46. Qxe1 Qh7 47. dxe5 fxe5 48. Qd1 e4 49. fxe4) 44. Qxd4 Qb5 45. Rd1 Qc6 46. Qd8+ Ka7 47. Qd4 Qe8 48. a4 Qe2 49. a5 Qb5 50. a6?! { (6.17 → 4.45) Inaccuracy. axb6+ was best. } (50. axb6+ cxb6 51. Kc2 Qe2+ 52. Kb3 Qb5+ 53. Qb4 Qxb4+ 54. cxb4 Ne2 55. Ra1+ Kb8) 50... Qxa6 51. Kc2 Qe2+ 52. Rd2 Qxf3?? { (4.62 → Mate in 2) Checkmate is now unavoidable. Qe8 was best. } (52... Qe8 53. b3 Qg6+ 54. Kb2 Ne6 55. Qb4 Qg8 56. Be3 Qf7 57. Bg1 Qg8 58. Bxb6+) 53. b4?? { (Mate in 2 → 4.59) Lost forced checkmate sequence. Qa4+ was best. } (53. Qa4+ Kb8 54. Rd8#) 53... Kb8?? { (4.59 → Mate in 9) Checkmate is now unavoidable. Qxg4 was best. } (53... Qxg4 54. Kb2 Qe6 55. Rd1 Kb8 56. Be3 Qg4 57. Qd8+ Qc8 58. Bc1 b5) 54. Qd8+ Ka7 55. Kb3 Qc6 56. Ra2+ Qa4+ 57. Rxa4# { White wins by checkmate. } 1-0