[Event "Opperwezen ZH Endurance"] [Site "https://lichess.org/9s4Zwco3"] [Date "2018.05.19"] [White "Alex1843"] [Black "Chessponz"] [Result "0-1"] [UTCDate "2018.05.19"] [UTCTime "21:29:43"] [WhiteElo "1337"] [BlackElo "1299"] [WhiteRatingDiff "-145"] [BlackRatingDiff "+111"] [Variant "Crazyhouse"] [TimeControl "180+2"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 b6?! { (1.52 → 2.18) Inaccuracy. e5 was best. } { B00 Owen Defense } (1... e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Be7 5. d4 exd4 6. Nxd4) 2. Bc4 Bb7?! { (1.67 → 2.85) Inaccuracy. e6 was best. } (2... e6 3. Nc3) 3. Nf3?! { (2.85 → 2.08) Inaccuracy. Bxf7+ was best. } (3. Bxf7+ Kxf7 4. Nf3 B@f6 5. d4 e6 6. P@e5 Bb4+ 7. Nc3 Bxe4 8. exf6 Bxc3+ 9. bxc3 gxf6) 3... e6 4. Nc3 g6?? { (2.06 → 6.82) Blunder. Bb4 was best. } (4... Bb4 5. O-O Ne7 6. Ng5 h6 7. Qh5 Rf8 8. Nxf7 Rxf7 9. P@d5) 5. d4 Ne7 6. Bf4?! { (8.09 → 5.00) Inaccuracy. Bg5 was best. } (6. Bg5) 6... Bg7 7. O-O d5? { (5.25 → 9.99) Mistake. O-O was best. } (7... O-O 8. d5) 8. exd5 exd5 9. Bxd5 Bxd5 10. Nxd5?! { (7.64 → 4.95) Inaccuracy. P@h6 was best. } (10. P@h6 Bf6) 10... Qxd5?! { (4.95 → 8.10) Inaccuracy. Nxd5 was best. } (10... Nxd5 11. B@h6 Nxf4 12. Bxf4 P@h3 13. Re1+ B@e6 14. gxh3 B@d5 15. P@h6 Bf6 16. P@g7 Rg8 17. N@g5) 11. Bxc7? { (8.10 → 4.05) Mistake. P@h6 was best. } (11. P@h6 Bxh6) 11... P@g4?? { (4.05 → 11.22) Blunder. O-O was best. } (11... O-O 12. P@h6) 12. c4?? { (11.22 → 3.87) Blunder. P@h6 was best. } (12. P@h6 Bxh6 13. Bxb8 O-O 14. N@f6+ Kh8 15. Nxd5 gxf3 16. P@g5 Bxg5 17. B@e5+ N@f6 18. Nxf6 P@g7) 12... gxf3?? { (3.87 → 11.90) Blunder. Qxc4 was best. } (12... Qxc4 13. Bxb8 O-O 14. P@f6 Bxf6 15. N@h6+ Kh8 16. Nxg4 Raxb8 17. Nxf6 B@g7 18. B@e2 P@c2 19. P@h6) 13. cxd5 O-O 14. gxf3?? { (10.76 → 2.44) Blunder. Qxf3 was best. } (14. Qxf3 N@h4 15. Qe4 Nhf5 16. B@e5 B@f6 17. P@b7 N@d2 18. Qg4 h5 19. Bxf6 Bxf6 20. P@e5 hxg4) 14... B@h3?? { (2.44 → 13.22) Blunder. Nxd5 was best. } (14... Nxd5 15. P@g2 P@h3 16. gxh3 Nc6 17. B@e5 B@h6 18. Q@c4 N@b4 19. P@b7 Rae8 20. P@g2 Nxe5 21. Bxe5) 15. Rc1?? { (13.22 → 2.93) Blunder. P@h6 was best. } (15. P@h6 Bxh6 16. B@f6 P@g7 17. Bxe7 Nc6 18. dxc6 N@f5 19. P@b7 Nxd4 20. P@g2 P@e2 21. bxa8=Q exf1=Q+) 15... Nf5?? { (2.93 → 7.41) Blunder. Nxd5 was best. } (15... Nxd5 16. B@e5) 16. Rc6?? { (7.41 → -16.80) Blunder. P@e7 was best. } (16. P@e7 Nxe7 17. B@e5 f6 18. P@f7+ Kxf7 19. P@g2 Kg8 20. gxh3 P@g2 21. P@h6 gxf1=Q+ 22. Qxf1 Bxh6) 16... Nh4?! { (-16.80 → -6.01) Inaccuracy. Nxc6 was best. } (16... Nxc6) 17. Bd8?! { (-6.01 → -15.89) Inaccuracy. Rc1 was best. } (17. Rc1 Bxf1) 17... f6?? { (-15.89 → 23.90) Blunder. N@f4 was best. } (17... N@f4) 18. Rxf6?? { (23.90 → -2.65) Blunder. P@e7 was best. } (18. P@e7) 18... Bxf6 19. Bxf6?? { (-1.78 → Mate in 3) Checkmate is now unavoidable. Q@g3 was best. } (19. Q@g3 N@f4 20. Kh1 Bxd8 21. B@e6+ Bxe6 22. dxe6 Nxe6 23. P@g2 B@f4 24. B@d5 B@f7 25. Bxa8 Bxg3) 19... Rxf6?? { (Mate in 3 → 1.60) Lost forced checkmate sequence. R@h1+ was best. } (19... R@h1+ 20. Kxh1 Bg2+ 21. Kg1 N@h3#) 20. Qd3?? { (1.60 → Mate in 3) Checkmate is now unavoidable. B@e6+ was best. } (20. B@e6+ Bxe6) 20... Bg2?? { (Mate in 3 → 20.19) Lost forced checkmate sequence. R@h1+ was best. } (20... R@h1+ 21. Kxh1 Bg2+ 22. Kg1 N@h3#) 21. f4?? { (20.19 → Mate in 1) Checkmate is now unavoidable. B@e6+ was best. } (21. B@e6+) 21... N@h3+ 22. Qxh3 Bxh3?? { (Mate in 1 → Mate in 4) Lost forced checkmate sequence. N@e2# was best. } (22... N@e2#) 23. f3?? { (Mate in 4 → Mate in 1) Lost forced checkmate sequence. N@h6+ was best. } (23. N@h6+ Kf8 24. B@d6+ Kg7 25. B@h8+ Kxh8 26. Q@g8#) 23... Q@g2# { Black wins by checkmate. } 0-1