[Event "4e Winterschool Arena"] [Site "https://lichess.org/LiDvWEqu"] [Date "2021.02.17"] [White "IlyaSigida"] [Black "SuperRoger"] [Result "0-1"] [UTCDate "2021.02.17"] [UTCTime "18:25:40"] [WhiteElo "1327"] [BlackElo "1772"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+7"] [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 → 2.05) Blunder. Bb5 was best. } (5. Bb5 Nf6 6. Bf4 P@d6 7. O-O a6 8. Bxc6+ bxc6 9. Re1 e6) 5... dxc4?? { (2.05 → 5.32) Blunder. P@e4 was best. } (5... P@e4) 6. Bxc4 P@d5 7. Bb5 a6 8. Bxc6+ bxc6 9. Qb3?? { (7.28 → 3.47) Blunder. Ne5 was best. } (9. Ne5 B@e6) 9... B@c4 10. Qd1?! { (2.69 → 2.02) Inaccuracy. Qc3 was best. } (10. Qc3 Nf6) 10... Nf6 11. N@c5?? { (1.21 → -6.24) Blunder. Ne5 was best. } (11. Ne5 P@e2) 11... e6?? { (-6.24 → -1.15) Blunder. e5 was best. } (11... e5 12. P@e2) 12. P@b7?? { (-1.15 → -7.96) Blunder. P@e2 was best. } (12. P@e2 Ne4 13. O-O Nxc5 14. dxc5 Bxc5 15. N@h5 N@f5 16. P@g4 P@g6 17. Nxg7+ Nxg7 18. P@h6 O-O) 12... Bxb7 13. Nxb7 Bb4+? { (-9.39 → -4.49) Mistake. P@e2 was best. } (13... P@e2) 14. Nc3? { (-4.49 → -9.59) Mistake. B@c3 was best. } (14. B@c3 Qb6) 14... Qb6?! { (-9.59 → -5.59) Inaccuracy. P@e2 was best. } (14... P@e2 15. Qa4) 15. a3?! { (-5.59 → -11.71) Inaccuracy. P@e2 was best. } (15. P@e2 Qxb7) 15... Bxc3+ 16. bxc3 Qxb7 17. Bg5 P@e2 18. Qb1?! { (-23.16 → Mate in 5) Checkmate is now unavoidable. P@d7+ was best. } (18. P@d7+ Qxd7) 18... N@d3+?! { (Mate in 5 → -41.68) Lost forced checkmate sequence. Qxb1+ was best. } (18... Qxb1+ 19. Rxb1 N@c2+ 20. Kd2 Q@d3+ 21. Kc1 N@a2+ 22. Kb2 Qxc3#) 19. Kxe2?! { (-41.68 → Mate in 6) Checkmate is now unavoidable. Qxd3 was best. } (19. Qxd3 Bxd3) 19... Nf4+ 20. Ke1 Qxb1+ 21. Rxb1 Q@e2# { Black wins by checkmate. } 0-1