[Event "Collegiate Crazy House Arena Arena"] [Site "https://lichess.org/YFzVsj4I"] [Date "2020.06.16"] [White "JacksonLovesChess"] [Black "Konzelmann"] [Result "0-1"] [UTCDate "2020.06.16"] [UTCTime "15:45:38"] [WhiteElo "1435"] [BlackElo "1555"] [WhiteRatingDiff "-74"] [BlackRatingDiff "+41"] [Variant "Crazyhouse"] [TimeControl "240+0"] [ECO "C50"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. Nc3 Bc5?! { (3.02 → 4.49) Inaccuracy. Be7 was best. } { C50 Four Knights Game: Italian Variation } (4... Be7 5. d4 exd4 6. Nxd4 d5 7. Nxd5 Nxd5 8. exd5 Nxd4 9. Qxd4) 5. a3?? { (4.49 → -0.89) Blunder. O-O was best. } (5. O-O O-O 6. d3 d6 7. Bg5 Kh8 8. Nd5 Nxd5 9. Bxd8 Nf4) 5... d6? { (-0.89 → 0.35) Mistake. O-O was best. } (5... O-O 6. d3 d6 7. O-O Bg4 8. Bg5 Kh8 9. h3 Bh5 10. Nb5) 6. b4?? { (0.35 → -1.54) Blunder. d3 was best. } (6. d3 O-O) 6... Bb6 7. Nd5?? { (-1.10 → -4.91) Blunder. O-O was best. } (7. O-O O-O) 7... Nxd5 8. Bxd5 Qf6 9. N@g4?? { (-4.35 → -21.04) Blunder. O-O was best. } (9. O-O N@h3+) 9... Qf4? { (-21.04 → -5.23) Mistake. Bxg4 was best. } (9... Bxg4) 10. Ngxe5? { (-5.23 → -13.82) Mistake. Ne3 was best. } (10. Ne3 O-O 11. Bxc6 bxc6 12. N@e7+ Kh8 13. Nxc8 Raxc8 14. O-O N@d4 15. Nxd4 Bxd4 16. N@d3 N@f3+) 10... dxe5?? { (-13.82 → -3.01) Blunder. Nxe5 was best. } (10... Nxe5 11. Bb2 N@d3+ 12. cxd3 Nxd3+ 13. Kf1 Nxb2 14. Qb3 N@e5 15. N@h5 P@e2+ 16. Kxe2 B@b5+ 17. P@c4) 11. O-O?? { (-3.01 → -10.08) Blunder. P@e3 was best. } (11. P@e3) 11... Qg4?! { (-10.08 → -5.40) Inaccuracy. N@d4 was best. } (11... N@d4) 12. Nxe5?? { (-5.40 → Mate in 7) Checkmate is now unavoidable. Bxf7+ was best. } (12. Bxf7+) 12... Qg5?? { (Mate in 7 → 4.95) Lost forced checkmate sequence. N@h3+ was best. } (12... N@h3+ 13. Kh1 Nxf2+ 14. Rxf2 Qxd1+ 15. N@g1 Qxg1+ 16. Kxg1 Q@e1+ 17. Q@f1 Bxf2+ 18. Kh1 Qxf1#) 13. d3?? { (4.95 → -10.48) Blunder. Bxf7+ was best. } (13. Bxf7+ Ke7) 13... Qxe5 14. Bb2 Qxb2 15. Rb1 Qe5 16. Bxf7+ Kxf7 17. P@f4 Qxf4 18. P@g3 Qh6 19. c3 N@g4 20. Qf3+ Ke7 21. P@d6+ Kxd6 22. e5+?! { (-41.38 → Mate in 5) Checkmate is now unavoidable. Qxg4 was best. } (22. Qxg4 Bxg4) 22... Kxe5?! { (Mate in 5 → -30.15) Lost forced checkmate sequence. Ncxe5 was best. } (22... Ncxe5 23. Qd5+ Kxd5 24. c4+ Ke6 25. Rfc1 Q@h1+ 26. Kxh1 Qxh2#) 23. d4+ Kd6 24. c4?! { (-39.19 → Mate in 1) Checkmate is now unavoidable. h3 was best. } (24. h3 N@h2 25. Qxc6+ Kxc6 26. b5+ Kd7 27. N@e5+ Nxe5 28. dxe5 N@e2+ 29. Kh1 Nxf1 30. Rxf1 N@g4) 24... Qxh2# { Black wins by checkmate. } 0-1