[Event "2023 Summer Marathon"] [Site "https://lichess.org/EBqGNjDr"] [Date "2023.08.05"] [White "Koenig-Buu-Huu"] [Black "zamsed"] [Result "0-1"] [UTCDate "2023.08.05"] [UTCTime "00:00:00"] [WhiteElo "941"] [BlackElo "944"] [WhiteRatingDiff "-42"] [BlackRatingDiff "+173"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Nf3 d5 3. d4 Bc5?? { (0.07 → 5.01) Blunder. Nf6 was best. } (3... Nf6 4. Bd3 b6 5. O-O Bb7 6. c4 dxc4 7. Bxc4 a6 8. Qe2) 4. Bb5+?? { (5.01 → 0.42) Blunder. dxc5 was best. } (4. dxc5 Nd7 5. c4 Ngf6 6. Be2 Nxc5 7. O-O dxc4 8. Qxd8+ Kxd8 9. Bxc4 b6 10. b3 Bb7) 4... c6 5. Bxc6+ bxc6?! { (0.10 → 0.69) Inaccuracy. Nxc6 was best. } (5... Nxc6 6. dxc5) 6. dxc5 Nd7 7. e4 Nxc5 8. exd5 cxd5?! { (0.25 → 1.35) Inaccuracy. exd5 was best. } (8... exd5 9. Be3) 9. Ne5?? { (1.35 → -0.75) Blunder. Qd4 was best. } (9. Qd4) 9... Bd7?! { (-0.75 → 0.20) Inaccuracy. Ne7 was best. } (9... Ne7 10. O-O) 10. Nxf7?? { (0.20 → -3.32) Blunder. c4 was best. } (10. c4 Ne7) 10... Kxf7 11. Bg5? { (-3.45 → -6.49) Mistake. Qh5+ was best. } (11. Qh5+ Kf8 12. Bf4 Nf6 13. Qh4 Rc8 14. Nd2 Kg8 15. O-O h6 16. Be5 Be8 17. Rfe1 Kh7) 11... Qxg5 12. O-O Nf6 13. Re1 Rhf8 14. Rxe6?! { (-6.58 → -9.85) Inaccuracy. Nd2 was best. } (14. Nd2 Kg8 15. Nf3 Qh6 16. Ne5 Be8 17. c4 Nce4 18. cxd5 exd5 19. Qb3 Qf4 20. Nd3 Qd6) 14... Kg8 15. Qg4?? { (-6.83 → Mate in 3) Checkmate is now unavoidable. Re1 was best. } (15. Re1 Ne6 16. Nc3 Nf4 17. g3 Nh3+ 18. Kg2 Rf7 19. Qd4 Raf8 20. f4 Qg6 21. Kh1 h6) 15... Qxg4?! { (Mate in 3 → -13.10) Lost forced checkmate sequence. Qc1+ was best. } (15... Qc1+ 16. Qd1 Qxd1+ 17. Re1 Qxe1#) 16. h3?! { (-13.10 → Mate in 9) Checkmate is now unavoidable. Nc3 was best. } (16. Nc3 Nxe6 17. f3 Qb4 18. Rb1 Nf4 19. g3 Nh3+ 20. Kh1 Qd4 21. Ne2 Qf2 22. Nf4 Qxc2) 16... Qxe6?! { (Mate in 9 → -13.28) Lost forced checkmate sequence. Qd1+ was best. } (16... Qd1+ 17. Kh2 Ng4+ 18. hxg4 Rxf2 19. Rf6 Rxf6 20. Nc3 Rh6+ 21. Kg3 Qxg4+ 22. Kf2 Qf4+ 23. Ke2) 17. Nc3 Nce4 18. Nxd5 Qxd5 19. c3?! { (-15.54 → Mate in 6) Checkmate is now unavoidable. Rf1 was best. } (19. Rf1 Qc5 20. b3 Qxc2 21. f3 Nd5 22. Rc1 Qxc1+ 23. Kh2 Qc7+ 24. Kh1 Nf2+ 25. Kg1 Qg3) 19... Nxf2 20. b4 Qf5 21. g3 N6e4 22. g4 Qf3 23. g5 Qh1# { Black wins by checkmate. } 0-1