[Event "IM viachessmaster simul"] [Site "https://lichess.org/uZBPicwM"] [Date "2021.04.20"] [White "viachessmaster"] [Black "b0ndaf"] [Result "0-1"] [UTCDate "2021.04.20"] [UTCTime "17:14:58"] [WhiteElo "2296"] [BlackElo "1845"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "900+3"] [ECO "D15"] [Opening "Slav Defense: Three Knights Variation"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 { D15 Slav Defense: Three Knights Variation } Bf5?! { (0.00 → 0.74) Inaccuracy. dxc4 was best. } (4... dxc4 5. a4 e6 6. e3 c5 7. Bxc4 cxd4 8. exd4 Bd6 9. O-O) 5. cxd5 cxd5 6. Qb3 Qb6 7. Nxd5 Nxd5 8. Qxd5 e6 9. Qb3 Qc7 10. Bd2 Nc6 11. Rc1 Be7 12. e3 a6 13. Be2 Qd7 14. O-O O-O 15. Rfd1 Rfd8 16. Be1 Rac8 17. Qa4 Be4 18. a3 h6 19. Qb3?! { (2.03 → 1.30) Inaccuracy. Nd2 was best. } (19. Nd2) 19... b5 20. Ne5 Nxe5 21. dxe5 Bd5 22. Qd3 Rxc1 23. Rxc1 Qb7 24. Bf1 Bc4 25. Qc2 Bxf1 26. Kxf1 Qd5?! { (0.94 → 1.54) Inaccuracy. b4 was best. } (26... b4 27. a4) 27. Bc3? { (1.54 → 0.34) Mistake. Qc7 was best. } (27. Qc7 Bf8 28. Kg1 g6 29. h3 Rd7 30. Qb8 Rd8 31. Qb6 Bg7 32. Bc3 Qa8 33. Bd4 Rc8) 27... Bg5? { (0.34 → 1.99) Mistake. Rc8 was best. } (27... Rc8 28. Qd1 Qxd1+ 29. Rxd1 Bxa3 30. Ra1 Bf8 31. g4 Rc6 32. f4 Be7 33. Ke2 f6 34. Kf3) 28. Bd4 f6?? { (1.54 → 4.33) Blunder. b4 was best. } (28... b4 29. a4) 29. exf6 Bxf6?! { (4.60 → 6.86) Inaccuracy. e5 was best. } (29... e5 30. Bb6) 30. Bxf6 gxf6 31. Qg6+ Kf8 32. Qxf6+ Kg8 33. Qg6+ Kf8 34. Qxh6+ Kg8 35. Qg6+ Kf8 36. Qf6+ Ke8 37. Re1 Qc4+ 38. Kg1 Rd6 39. Qg6+ Ke7 40. Qg7+ Kd8 41. Qf8+ Kd7 42. h4 Qxh4 43. Qf7+ Kd8 44. Qf8+ Kd7 45. Rc1 Rd2 46. Qf7+ Kd6?? { (6.67 → Mate in 8) Checkmate is now unavoidable. Kd8 was best. } (46... Kd8 47. Qf8+) 47. Qc7+ Kd5 48. Qd7+?! { (Mate in 7 → 29.30) Lost forced checkmate sequence. Rc5+ was best. } (48. Rc5+ Ke4 49. Qc6+ Rd5 50. Qxe6+ Kd3 51. Qxd5+ Qd4 52. Qxd4+ Ke2 53. Rc2+ Ke1 54. Qd2#) 48... Ke5 49. Rc5+ Kf6 { Black wins on time. } 0-1