[Event "4e Winterschool Arena"] [Site "https://lichess.org/3667fDGY"] [Date "2021.02.17"] [White "IlyaSigida"] [Black "SuperRoger"] [Result "0-1"] [UTCDate "2021.02.17"] [UTCTime "18:46:34"] [WhiteElo "1361"] [BlackElo "1901"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+3"] [Variant "Crazyhouse"] [TimeControl "180+2"] [ECO "B13"] [Opening "Caro-Kann Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c6?? { (1.94 → 4.82) Blunder. Nf6 was best. } (1... Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nf3 e6 5. Be2 Nf4 6. O-O) 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6?! { (4.01 → 6.09) Inaccuracy. Nf6 was best. } { B13 Caro-Kann Defense: Exchange Variation } (4... Nf6 5. Nc3 Bg4 6. Be2 Bxf3 7. Bxf3 P@e4 8. Be2 Nc6 9. P@e5) 5. c4?? { (6.09 → 2.26) Blunder. Bb5 was best. } (5. Bb5 Nf6 6. Bf4 P@d6 7. O-O a6 8. Bxc6+ bxc6 9. Re1 e6) 5... dxc4?? { (2.26 → 5.77) Blunder. P@e4 was best. } (5... P@e4 6. Ne5) 6. Bxc4 P@d5 7. Bb5 a6 8. Bxc6+ bxc6 9. N@c5?? { (7.51 → 3.33) Blunder. Ne5 was best. } (9. Ne5 B@g4 10. f3 Bge6 11. O-O P@d6 12. Nxc6 Qb6 13. Nb4 Ra7 14. Qa4+ Bcd7 15. P@c6 Qxd4+) 9... P@b7? { (3.33 → 6.28) Mistake. Nf6 was best. } (9... Nf6 10. O-O) 10. Ne5 B@e6 11. Nxe6 Bxe6 12. Qf3?? { (6.59 → 0.10) Blunder. O-O was best. } (12. O-O) 12... N@g5?? { (0.10 → 19.77) Blunder. N@c2+ was best. } (12... N@c2+ 13. Kf1) 13. Qf4 h6 14. h4 Ne4 15. P@d7+ Qxd7 16. Nxd7 Bxd7 17. B@h5?? { (37.85 → 3.46) Blunder. Qxf7+ was best. } (17. Qxf7+) 17... N@d3+ 18. Kf1 Nxf4 19. Bxf7+?? { (4.36 → -29.20) Blunder. Bxf4 was best. } (19. Bxf4) 19... Kxf7 20. Bxf4?! { (-29.48 → Mate in 7) Checkmate is now unavoidable. P@g6+ was best. } (20. P@g6+ Nxg6 21. Q@e2 B@b5 22. P@d3 Q@g4 23. Nc3 Nxc3 24. bxc3 Qxe2+ 25. Kxe2 Q@e4+ 26. Be3 P@f3+) 20... Q@d1+ 21. N@e1 P@e2+ 22. Kg1 Qxe1+ 23. Kh2 N@g4+ 24. Kh3 Nexf2+ 25. Kg3 Nxh1+ 26. Kh3 Ngf2+ 27. Kh2 P@g3+ 28. Bxg3 Ng4+ 29. Kh3 Qxg3# { Black wins by checkmate. } 0-1