[Event "2023 Winter Championship: Jeevanth - Nguyen"] [Site "https://lichess.org/study/Fl3WkAse/ivIDD84a"] [Date "2024.09.04"] [White "?"] [Black "?"] [Result "1-0"] [UTCDate "2023.01.07"] [UTCTime "17:03:13"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D43"] [Opening "Semi-Slav Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. Nc3 e6 { D43 Semi-Slav Defense } 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 O-O 9. O-O Nd5 10. Bxe7 Qxe7 11. e4 Qb4 12. Qb3 Qxb3 13. axb3 Nb4 14. Rfd1 b5 15. Be2 a5 16. d5 exd5?! { (0.39 → 1.18) Inaccuracy. cxd5 was best. } (16... cxd5) 17. exd5 Nxd5 18. Nxd5 cxd5 19. Rxd5 Nb6? { (1.19 → 2.43) Mistake. a4 was best. } (19... a4 20. Bxb5) 20. Rxb5? { (2.43 → 1.05) Mistake. Rd6 was best. } (20. Rd6 Nd7 21. b4 a4 22. Bxb5 Nf6 23. Bc6 Rb8 24. Rxa4 Bb7 25. Nd4 h6) 20... Ba6 21. Rxb6 Bxe2 22. Nd4 Rfe8 23. h3 Bd3 24. Nc6 Be4?! { (0.54 → 1.23) Inaccuracy. h5 was best. } (24... h5 25. b4) 25. Nd4?! { (1.23 → 0.33) Inaccuracy. Nxa5 was best. } (25. Nxa5 g6 26. b4 Bf5 27. g4 Be4 28. Re1 Bd5 29. Rxe8+ Rxe8 30. Rd6 Re1+) 25... h6 26. Nb5 Re5 27. Nc3 Bf5 28. g4 Be6 29. b4 Bc4?! { (0.85 → 1.69) Inaccuracy. a4 was best. } (29... a4 30. Rxa4 Re1+ 31. Kg2 Bd5+ 32. f3 Rxa4 33. Nxa4 Re2+ 34. Kg3 Re3 35. Kf4) 30. bxa5?! { (1.69 → 0.80) Inaccuracy. f4 was best. } (30. f4 Re3 31. Rc6 Be6 32. bxa5 Rxh3 33. f5 Bc8 34. a6 Rg3+ 35. Kf2 Rxg4) 30... Rexa5 31. Rxa5 Rxa5 32. Kh2 Be6 33. Kg3 Kh7 34. Kf4 h5?? { (0.66 → 3.01) Blunder. Ra1 was best. } (34... Ra1 35. f3) 35. Rb5 Rxb5 36. Nxb5 Kh6 37. Nd6 g5+ 38. Ke5 hxg4 39. hxg4 Kg6?! { (3.48 → 5.15) Inaccuracy. Bxg4 was best. } (39... Bxg4 40. b4 Kg6 41. b5 f6+ 42. Kd4 Bf3 43. b6 Ba8 44. b7 Bxb7 45. Nxb7) 40. Nf5 Bd7 41. b4 f6+ 42. Kd6 Bb5 43. Nd4 Bd3 44. b5 Bxb5?! { (6.08 → 9.21) Inaccuracy. Kf7 was best. } (44... Kf7 45. b6 Ba6 46. Kc7 f5 47. Nc6 fxg4 48. Nb4 Kf6 49. Nxa6 Kf5 50. b7) 45. Nxb5 f5 46. f3 Kf6 47. Nd4 f4? { (8.82 → Mate in 19) Checkmate is now unavoidable. Kf7 was best. } (47... Kf7 48. Nxf5 Kf6 49. Nd4 Kf7 50. f4 gxf4 51. Ke5 f3 52. Nxf3 Kg7 53. Kf5) 48. Nf5? { (Mate in 19 → 9.21) Lost forced checkmate sequence. Nb5 was best. } (48. Nb5 Kf7 49. Nc7 Kf6 50. Ne8+ Kf7 51. Kd7 Kf8 52. Nd6 Kg7 53. Ke6 Kg6) 48... Kg6? { (9.21 → Mate in 15) Checkmate is now unavoidable. Kf7 was best. } (48... Kf7 49. Ke5 Ke8 50. Kf6 Kd7 51. Kxg5 Ke6 52. Kxf4 Kf7 53. g5 Kg6 54. Ke5) 49. Ke6 Kh7 50. Kf6 Kg8 51. Kxg5? { (Mate in 14 → 8.69) Lost forced checkmate sequence. Nd6 was best. } (51. Nd6 Kf8 52. Ke6 Kg7 53. Kf5 Kf8 54. Kf6 Kg8 55. Kxg5 Kg7 56. Kf5 Kh7) 51... Kf7 52. Kxf4 Kg6 53. g5 Kh5? { (8.71 → Mate in 7) Checkmate is now unavoidable. Kf7 was best. } (53... Kf7 54. g6+ Kxg6 55. Ke5 Kf7 56. f4 Kg6 57. Ke6 Kh5 58. Ne7 Kh6 59. Kf6) 54. Ne7 Kh4 55. g6 Kh5 56. g7 Kh4 57. g8=Q Kh3 58. Qg3# { White wins by checkmate. } 1-0