[Event "00-Nüchtern 8. Schachtunier Arena"] [Site "https://lichess.org/XpcyKU6M"] [Date "2022.04.05"] [White "Leander_S"] [Black "Acoasma"] [Result "0-1"] [UTCDate "2022.04.05"] [UTCTime "18:51:19"] [WhiteElo "1417"] [BlackElo "1769"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+21"] [Variant "Standard"] [TimeControl "300+3"] [ECO "D52"] [Opening "Queen's Gambit Declined: Cambridge Springs Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Qa5 { D52 Queen's Gambit Declined: Cambridge Springs Defense } 7. a3 dxc4 8. Bxc4 Ne4 9. Qd3?? { (0.03 → -4.58) Blunder. Bf4 was best. } (9. Bf4 Nxc3 10. Qd2 Nb6 11. Bd3 Nbd5 12. O-O Nxf4 13. exf4 Bd6 14. bxc3 O-O 15. a4 c5) 9... Nxg5 10. Nxg5?! { (-4.85 → -6.84) Inaccuracy. Nd2 was best. } (10. Nd2 h6 11. f4 Nh7 12. e4 Be7 13. e5 Qd8 14. Qf3 Nb6 15. Bd3 Nd5 16. h4 Rb8) 10... Qxg5 11. O-O Bd6 12. h3 Nf6 13. Ne4?! { (-6.15 → -8.84) Inaccuracy. f4 was best. } (13. f4 Qh6) 13... Nxe4 14. Qxe4 O-O 15. b4 e5 16. b5 cxb5 17. Bxb5 exd4 18. exd4 Qxb5 19. Rab1 Bf5 20. Qxb7 Qxb7 21. Rxb7 Rfb8 22. Rxb8+ Rxb8 23. g4 Bg6 24. Re1 Bxa3 25. d5 Rd8 26. h4 Rxd5 27. Re8+ Bf8 28. Kg2 a5 29. h5 Be4+ 30. Kg3 Bc2 31. Ra8 a4 32. Kf4 a3 33. Ke3 Rd3+ 34. Ke2 Rd4 35. g5 Ra4 36. Rxa4 Bxa4 37. Kd2?! { (-71.18 → Mate in 8) Checkmate is now unavoidable. h6 was best. } (37. h6 gxh6) 37... Bb3?! { (Mate in 8 → -70.05) Lost forced checkmate sequence. a2 was best. } (37... a2 38. g6 a1=Q 39. gxh7+ Kxh7 40. Kd3 Bc5 41. Ke4 Qd4+ 42. Kf3 Qxf2+ 43. Kg4 Bd7+ 44. Kg5) 38. Kc3 Be6 39. Kc2 a2 40. Kb2 Bd6 41. Ka1 Be5# { Black wins by checkmate. } 0-1