[Event "Crown Winter League Arena"] [Site "https://lichess.org/Ki5b814m"] [Date "2021.03.14"] [White "mathematico"] [Black "seb54749014"] [Result "1-0"] [UTCDate "2021.03.14"] [UTCTime "00:58:09"] [WhiteElo "1845"] [BlackElo "2150"] [WhiteRatingDiff "+17"] [BlackRatingDiff "-14"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D46"] [Opening "Semi-Slav Defense: Chigorin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6 { D46 Semi-Slav Defense: Chigorin Defense } 7. c5 Bc7 8. O-O O-O 9. b4 a6? { (-0.60 → 0.62) Mistake. e5 was best. } (9... e5 10. Nxe5 Nxe5 11. dxe5 Bxe5 12. Qc2 Re8 13. f4 Bc7 14. Ne2 Bd7 15. Nd4 b6 16. Rb1) 10. Qc2 e5 11. e4? { (0.59 → -0.63) Mistake. dxe5 was best. } (11. dxe5) 11... exd4 12. Nxd4 Ne5 13. f4?? { (-0.72 → -7.33) Blunder. exd5 was best. } (13. exd5) 13... Nxd3?? { (-7.33 → -2.25) Blunder. dxe4 was best. } (13... dxe4) 14. Qxd3 dxe4 15. Nxe4 Nxe4 16. Qxe4 Re8 17. Qd3 Bf5 18. Qc3 Re4?? { (-1.59 → 6.15) Blunder. Be4 was best. } (18... Be4 19. Bb2 f6 20. Rad1 Qd7 21. a3 Rad8 22. Qg3 h5 23. h3 b6 24. Nb5 Qxd1 25. Nxc7) 19. Nxf5 f6 20. Bb2 Qd5 21. Nd6?! { (6.75 → 4.70) Inaccuracy. Nxg7 was best. } (21. Nxg7 Bxf4) 21... Bxd6 22. cxd6 Qxd6 23. Rad1?! { (4.50 → 3.19) Inaccuracy. a3 was best. } (23. a3 Rd8) 23... Qe7?! { (3.19 → 4.95) Inaccuracy. Qxb4 was best. } (23... Qxb4) 24. Rfe1 Qxb4 25. Rxe4 Qxe4 26. Re1 Qd5 27. Qb3? { (4.61 → 2.42) Mistake. Re7 was best. } (27. Re7 Qd1+) 27... Rd8?? { (2.42 → 6.64) Blunder. Qxb3 was best. } (27... Qxb3 28. axb3) 28. Rd1 b5 29. Rxd5 Rxd5 30. Kf2 a5 31. a3 a4 32. Qb4 Kf7 33. g3 Ke8 34. Bd4 Kd7 35. Bc5 g6 36. Kg2 Ke6 37. Qc3 h5 38. Bb4 c5 39. Bxc5 f5 40. Bb4 Kf7?! { (30.56 → Mate in 7) Checkmate is now unavoidable. Kd7 was best. } (40... Kd7 41. Qg7+) 41. Qc7+ Kg8 42. Qc6 Rd3 43. Qxg6+ Kh8 44. Qxh5+ Kg7 45. Qg5+ Kh8 46. Be7 Rd7 47. Bf6+ Kh7 48. Qxf5+ Kh6 49. Qxd7 b4 50. Qg7+ Kh5 51. Qg5# { White wins by checkmate. } 1-0