[Event "2024 Spring Marathon"] [Site "https://lichess.org/nNZloFtC"] [Date "2024.05.11"] [White "Denise79"] [Black "fiddle_master"] [Result "0-1"] [UTCDate "2024.05.11"] [UTCTime "13:26:34"] [WhiteElo "1499"] [BlackElo "2443"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "D00"] [Opening "Queen's Pawn Game: Accelerated London System, Steinitz Countergambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Bf4 c5 { D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit } 3. e3 Nc6 4. Nf3 Nf6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. dxc5 Qa5+ 8. c3 Qxc5 9. O-O e6 10. Ne5 Be7 11. Nd2 O-O 12. Nb3 Qb6 13. Bg5 h6 14. Bxf6 Bxf6 15. Nxc6 bxc6 16. Nd4?? { (-0.75 → -3.02) Blunder. Qc2 was best. } (16. Qc2) 16... c5 17. Nf3 Qxb2 18. Qc1 Qxc3 19. Qxc3 Bxc3 20. Rac1 Bb4 21. Ne5 c4 22. e4 Rfd8 23. Nc6 Bd2 24. Nxd8 Bxc1 25. exd5 Rxd8 26. Rxc1 exd5 27. Kf1 f6 28. Ke2 Kf7 29. Ke3 Ke6 30. Kd4 Kd6 31. f4?! { (-4.08 → -5.53) Inaccuracy. Rb1 was best. } (31. Rb1 Re8 32. a4 Re2 33. Rb7 Rxf2 34. Rxg7 a5 35. Ra7 Rd2+ 36. Kc3 Rxg2) 31... Re8 32. Rc2 Re4+ 33. Kc3 Kc5 34. g3 d4+ 35. Kd2 Re7 36. Kd1 d3 37. Rb2 Kd4 38. a4 Re2 39. Rb7 Rxh2 40. Rxa7?? { (-6.75 → Mate in 2) Checkmate is now unavoidable. Ke1 was best. } (40. Ke1 Kc3 41. Kf1 Ra2 42. Rd7 Rxa4 43. Kf2 Ra1 44. g4 d2 45. g5 fxg5) 40... Kc3? { (Mate in 2 → -7.87) Lost forced checkmate sequence. Rh1+ was best. } (40... Rh1+ 41. Kd2 c3#) 41. Rxg7? { (-7.87 → Mate in 1) Checkmate is now unavoidable. Re7 was best. } (41. Re7 Rh1+ 42. Re1 Rxe1+ 43. Kxe1 d2+ 44. Ke2 Kc2 45. Ke3 d1=Q 46. f5 Kc1) 41... Rh1# { Black wins by checkmate. } 0-1