[Event "2015 Chesapeake Open"] [Site "?"] [Date "2015.01.11"] [Round "4"] [White "Yuan, Yuanling"] [Black "Davydov, Alexander"] [Result "1-0"] [WhiteElo "2281"] [BlackElo "2101"] [Variant "Standard"] [TimeControl "-"] [ECO "C63"] [Opening "Ruy Lopez: Schliemann Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 { C63 Ruy Lopez: Schliemann Defense } 4. d3 fxe4 5. dxe4 Nf6 6. O-O Bc5 7. Nc3 d6 8. Bg5 O-O 9. Nd5 Kh8 10. Bc4 Be6 11. Nxf6 gxf6 12. Bxe6 fxg5 13. Qd2 Rf4 14. Bf5 g4 15. Ne1 Qg5 16. Qd3 Nd4 17. g3 Nf3+ 18. Nxf3 Rxf3 19. Qd5 c6?! { (0.00 → 0.84) Inaccuracy. Rf8 was best. } (19... Rf8 20. Qxb7 R3xf5 21. exf5 Qxf5 22. Rae1 Qxc2 23. Kh1 Qd2 24. Rd1 Qe2 25. Rde1 Qd2) 20. Qf7 Qh6 21. Qxb7 Rf8 22. Rad1 d5 23. Qc7 Bd4 24. Rxd4 exd4 25. Qe5+ Qg7 26. Qxg7+ Kxg7 27. Bxg4 R3f7 28. e5 Kg6 29. f4 h5 30. Bh3 h4 31. Rd1 hxg3 32. hxg3 Rh7 33. Bf1 Kh5?! { (1.20 → 2.32) Inaccuracy. Rb7 was best. } (33... Rb7 34. b3 c5 35. Kf2 Rb4 36. Bg2 Rd8 37. Rh1 c4 38. g4 a5 39. a3 Rbb8 40. bxc4 dxc4 41. Be4+ Kf7 42. Rh7+ Ke6 43. Ra7) 34. Be2+ Kh6 35. Rxd4 Rg7 36. Kf2 Kg6 37. g4 Kf7 38. Bf3 Ke6 39. Kg3 Rb7 40. b3 Rb5 41. g5 a5? { (3.10 → 5.09) Mistake. Ke7 was best. } (41... Ke7 42. c4 Rb4 43. Bg4 Rg8 44. Rd2 dxc4 45. Rd7+ Kf8 46. Rd8+ Kg7 47. Rxg8+ Kxg8 48. Be6+ Kg7 49. Bxc4) 42. Bg4+ Ke7 43. f5 Rb4? { (5.43 → 11.98) Mistake. Rbb8 was best. } (43... Rbb8 44. f6+ Kf7 45. Kf4 Rh8 46. e6+ Kf8 47. g6 Rh2 48. e7+ Ke8 49. g7 Kf7 50. Ke5) 44. f6+ Kf7 45. e6+ Kg6 46. Rxb4 axb4 47. Kf4 Rxf6+ 48. gxf6 Kxf6 49. Bh3 d4 50. Ke4 d3?! { (123.05 → Mate in 18) Checkmate is now unavoidable. c5 was best. } (50... c5 51. Kd5 d3 52. cxd3 c4 53. Kxc4) 51. cxd3 { Black resigns. } 1-0