[Event "Yearly Classical Arena"] [Site "https://lichess.org/3HB290Oa"] [Date "2017.04.13"] [White "jposthuma"] [Black "chesselminster"] [Result "1-0"] [UTCDate "2017.04.13"] [UTCTime "19:33:59"] [WhiteElo "2445"] [BlackElo "2450"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-22"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation, Modern Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4?! { (0.37 → -0.20) Inaccuracy. e4 was best. } (5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Be3 e5 9. Nf3 exd4 10. cxd4 Qe7 11. Bd3 Nc6) 5... Nf6 6. Nf3 Bg7 7. Nc3 Nd5?! { (-0.29 → 0.38) Inaccuracy. c5 was best. } (7... c5) 8. e4 Nxc3 9. bxc3 c5 { D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation } 10. Be3 Qa5 11. Qd2 Bg4 12. Be2?! { (0.46 → -0.37) Inaccuracy. Rb1 was best. } (12. Rb1 b6 13. Bb5+ Bd7 14. Bd3 Nc6 15. Rb5 Qa4 16. Rb2 Na5 17. dxc5 Nc4 18. Bxc4 Qxc4) 12... Nc6 13. e5?! { (-0.31 → -0.88) Inaccuracy. Rb1 was best. } (13. Rb1 Bxf3) 13... Rd8 14. h3?! { (-0.74 → -1.58) Inaccuracy. Rb1 was best. } (14. Rb1 Bxf3 15. Bxf3 O-O 16. Bxc6 bxc6 17. O-O cxd4 18. cxd4 Qxd2 19. Bxd2 Rxd4 20. Be3 Ra4) 14... Bxf3 15. Bxf3 Nxe5 16. Bxb7?! { (-1.45 → -2.63) Inaccuracy. Be2 was best. } (16. Be2 O-O 17. Rd1 Nc6 18. O-O cxd4 19. cxd4 Qxd2 20. Rxd2 Bxd4 21. Rc2 Bxe3 22. fxe3 Rd7) 16... Nc4 17. Bc6+?! { (-2.45 → -3.86) Inaccuracy. Qd3 was best. } (17. Qd3 cxd4) 17... Kf8 18. Qc1 cxd4 19. Bh6? { (-2.69 → -5.02) Mistake. Bf4 was best. } (19. Bf4 Qb6 20. Bf3 Nb2 21. O-O Nd3 22. Qd2 dxc3 23. Qe3 Qxe3 24. Bxe3 c2 25. Rac1 Nxc1) 19... Qxc3+? { (-5.02 → -2.91) Mistake. Qe5+ was best. } (19... Qe5+ 20. Kf1 dxc3 21. Bxg7+ Kxg7 22. Qe1 Rd2 23. Qxe5+ Nxe5 24. Bb5 Rhd8 25. a4 c2 26. Rc1) 20. Qxc3 dxc3 21. Bxg7+ Kxg7 22. Rc1 Ne5 23. Bb5 Nd3+ 24. Bxd3 Rxd3 25. Ke2 Rhd8 26. Rhd1 Rxd1 27. Rxd1 Rxd1 28. Kxd1 e5 29. Kc2 f5 30. Kxc3 Kf6 31. Kc4 Ke6 32. Kc5 e4 33. a4?? { (-2.33 → -4.92) Blunder. Kd4 was best. } (33. Kd4 h5) 33... Kd7? { (-4.92 → -2.43) Mistake. Ke5 was best. } (33... Ke5 34. Kc4 g5 35. Kb3 h5 36. Kc3 a5 37. Kc4 f4 38. Kc3 h4 39. Kc4 Ke6 40. Kc3) 34. Kd5 Kc7?? { (-2.32 → -0.08) Blunder. h5 was best. } (34... h5) 35. g4 fxg4 36. hxg4 Kb6 37. Kxe4 Ka5?? { (0.40 → 10.84) Blunder. Kc5 was best. } (37... Kc5 38. Ke5) 38. f4 Kxa4 39. f5 gxf5+?! { (51.87 → Mate in 13) Checkmate is now unavoidable. Kb3 was best. } (39... Kb3 40. f6) 40. gxf5 Kb3 41. f6 a5 42. f7 a4 43. f8=Q { Black resigns. } 1-0