[Event "SCC online season3 Open"] [Site "https://lichess.org/WqIMnZLr"] [Date "2020.07.04"] [White "Kaisar_Langit"] [Black "yoseph2013"] [Result "1-0"] [UTCDate "2020.07.04"] [UTCTime "09:46:46"] [WhiteElo "2122"] [BlackElo "2609"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A48"] [Opening "London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 g6 3. Bf4 { A48 London System } Bg7 4. e3 O-O 5. h3 d6 6. Be2 b6 7. Nbd2 Bb7 8. c3 Nbd7 9. O-O Re8 10. Bc4 e5 11. dxe5 dxe5 12. Bh2 Qe7 13. Ng5 Rf8 14. Ngf3 Rad8 15. a4 a6 16. Qe2 e4 17. Nd4 Nc5?! { (-0.36 → 0.60) Inaccuracy. c5 was best. } (17... c5 18. N4b3) 18. b4 Nd3 19. b5 axb5 20. axb5 Nd5 21. Bxd5?! { (0.73 → 0.00) Inaccuracy. Nxe4 was best. } (21. Nxe4) 21... Bxd5 22. Ra7 Rd7 23. c4 Be6 24. Nxe6 Qxe6 25. Rxc7 Rxc7 26. Bxc7 Rc8 27. Bg3 Ra8 28. f3 Ra2 29. fxe4 Nc5 30. Qd1 Bf8 31. e5 h6 32. Kh2 Be7 33. Qc1 Nd3?! { (0.63 → 1.47) Inaccuracy. Qd7 was best. } (33... Qd7) 34. Qc3 Nc5?! { (1.30 → 2.33) Inaccuracy. Ra3 was best. } (34... Ra3 35. Qd4) 35. Ra1 Na4 36. Qd4 Rxa1 37. Qxa1 Nc5 38. Qa8+ Kg7 39. Qd5 Qf5 40. Nf3 h5?! { (2.29 → 3.25) Inaccuracy. Qd3 was best. } (40... Qd3 41. Qd4) 41. Nd4 Qb1? { (3.28 → 6.49) Mistake. Qe4 was best. } (41... Qe4 42. Bf4) 42. e6 h4 43. Bf4 f6?! { (6.07 → 11.59) Inaccuracy. Qe4 was best. } (43... Qe4 44. Nc6 Qxd5 45. cxd5 Kf8 46. d6 Bf6 47. e7+ Ke8 48. Nb4 Bxe7 49. dxe7 Kxe7 50. Nd5+) 44. Nc6 Nd3? { (9.30 → Mate in 9) Checkmate is now unavoidable. Qf5 was best. } (44... Qf5 45. Qxf5) 45. Nxe7 Nf2 46. g4? { (Mate in 11 → 7.52) Lost forced checkmate sequence. Nf5+ was best. } (46. Nf5+ Qxf5 47. Qd7+ Kh8 48. Qf7 Qe4 49. e7 g5 50. Qxf6+ Kh7 51. Be5 Qxe5+ 52. Qxe5 g4) 46... Qf1? { (7.52 → Mate in 7) Checkmate is now unavoidable. Ne4 was best. } (46... Ne4 47. Nf5+ gxf5 48. Qd7+ Kh8 49. Qe8+ Kg7 50. Qe7+ Kh8 51. Qf8+ Kh7 52. Qh6+ Kg8 53. Qg6+) 47. Qg2?! { (Mate in 7 → 10.49) Lost forced checkmate sequence. Nf5+ was best. } (47. Nf5+ gxf5 48. Qd7+ Kh8 49. Qe8+ Kh7 50. Qf7+ Kh8 51. Qxf6+ Kg8 52. Qf7+ Kh8 53. Be5#) 47... Qe1?! { (10.49 → Mate in 9) Checkmate is now unavoidable. Qxg2+ was best. } (47... Qxg2+ 48. Kxg2) 48. Nf5+ gxf5 49. gxf5+ Kf8 50. Bd6+ Ke8 51. Qg8# { White wins by checkmate. } 1-0