[Event "FM Joshua Posthuma Speed simul"] [Site "https://lichess.org/NCTDYW3r"] [Date "2020.10.18"] [White "jposthuma"] [Black "chesssky2"] [Result "1-0"] [UTCDate "2020.10.18"] [UTCTime "02:10:18"] [WhiteElo "2512"] [BlackElo "2132"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "1200+20"] [ECO "D47"] [Opening "Semi-Slav Defense: Meran Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 { D47 Semi-Slav Defense: Meran Variation } 8. Be2 Bb7 9. O-O a6 10. a3 c5 11. dxc5 Nxc5 12. b4 Ncd7 13. Bb2 Be7 14. a4 Bxb4 15. axb5 a5?! { (0.12 → 1.04) Inaccuracy. axb5 was best. } (15... axb5 16. Rxa8 Bxa8 17. Nxb5 O-O 18. Qa4 Bc5 19. Rc1 Qb6 20. Bd4 Bb7 21. Ne5 Ra8 22. Bxc5) 16. Nd4 O-O?! { (0.96 → 1.68) Inaccuracy. Rc8 was best. } (16... Rc8) 17. Nc6 Bxc6 18. bxc6 Ne5?! { (1.75 → 2.73) Inaccuracy. Nc5 was best. } (18... Nc5) 19. Qxd8 Rfxd8 20. c7 Rd2?? { (2.83 → 7.00) Blunder. Rdc8 was best. } (20... Rdc8 21. Nb5 Ned7 22. Rfc1 Nd5 23. Bf3 Nc5 24. Rc4 Nxc7 25. Nxc7 Rab8 26. Be5 Nb3 27. Rd1) 21. Na4?? { (7.00 → 2.85) Blunder. Rfd1 was best. } (21. Rfd1 Rxd1+) 21... Rxe2?! { (2.85 → 4.31) Inaccuracy. Bd6 was best. } (21... Bd6 22. Nb6) 22. Bxe5 Nd5 23. Rac1 Rc8 24. Rfd1 f6 25. Rxd5 exd5 26. Nb6 Bd2?? { (3.32 → 11.42) Blunder. Rxc7 was best. } (26... Rxc7 27. Bxc7 Rd2 28. Kf1 Kf7 29. h4 h6 30. Bg3 Ke6 31. h5 d4 32. Nc4 Rd3 33. exd4) 27. Nxc8 Bxc1 28. Bc3 Bd2 29. Ne7+ Kf7 30. g3 Bxc3 31. c8=Q Kxe7 32. Qxc3 Ra2 33. Qc5+ Ke6 34. Qc6+ Ke5 35. Qc7+ Ke4 36. Qxg7 a4 37. Qxh7+ Kf3 38. Qf5+ Ke2 39. Qxd5 Ra1+ 40. Kg2 a3?! { (20.99 → Mate in 13) Checkmate is now unavoidable. Rc1 was best. } (40... Rc1 41. Qb5+) 41. Qc4+ Kd1 42. Qd4+ Kc2 43. Qxa1 Kb3 44. Qxf6 a2 45. Qa1 Ka3 46. h4 Kb3 47. h5 Ka3 48. h6 Kb3 49. h7 Ka3 50. h8=Q Kb4 51. Qxa2 Kc5 52. Qd4+ Kc6 53. Qa6+ Kc7 54. Qdd6# { White wins by checkmate. } 1-0