[Event "Weekly Rapid Arena"] [Site "https://lichess.org/lcW6RZN0"] [Date "2022.08.04"] [White "mitsigan"] [Black "Leoneldacosta"] [Result "0-1"] [UTCDate "2022.08.04"] [UTCTime "17:40:53"] [WhiteElo "1734"] [BlackElo "1617"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+71"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B12"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c6 2. d4 d5 { B12 Caro-Kann Defense } 3. Bd3 e6?! { (-0.11 → 0.68) Inaccuracy. dxe4 was best. } (3... dxe4 4. Bxe4 Nf6 5. Bf3 Nbd7 6. Bf4 Qb6 7. b3 Qa5+ 8. Qd2) 4. Nf3?! { (0.68 → 0.05) Inaccuracy. Nc3 was best. } (4. Nc3 dxe4 5. Nxe4 Qxd4 6. Nf3 Qd8 7. Qe2 Nf6 8. Bd2 Nbd7) 4... Nf6? { (0.05 → 1.27) Mistake. dxe4 was best. } (4... dxe4 5. Bxe4 Nf6 6. Bd3 c5 7. dxc5 Bxc5 8. O-O O-O 9. Nc3) 5. e5 Nfd7 6. Bd2?! { (1.33 → 0.69) Inaccuracy. c4 was best. } (6. c4 dxc4 7. Bxc4 Nb6 8. Bd3 c5 9. dxc5 N6d7 10. Bc2 Nc6) 6... c5 7. Qe2?? { (0.56 → -2.94) Blunder. c3 was best. } (7. c3 Qb6) 7... Nc6?? { (-2.94 → 0.46) Blunder. c4 was best. } (7... c4 8. Bxc4 dxc4 9. Nc3 Be7 10. d5 exd5 11. Nxd5 Nb6 12. Nf6+ Kf8 13. O-O-O Qc7 14. Rhe1) 8. Bb5?? { (0.46 → -1.38) Blunder. c3 was best. } (8. c3 Qb6 9. Be3 c4 10. Bxc4 dxc4 11. d5 Bc5 12. dxc6 Qxc6 13. O-O Bxe3 14. Qxe3 b5) 8... a6 9. Ba4?? { (-1.37 → -5.56) Blunder. Bxc6 was best. } (9. Bxc6 bxc6 10. dxc5 a5 11. c4 Ba6 12. Bg5 Qc7 13. b3 Bxc5 14. O-O O-O 15. Re1 h6) 9... b5 10. dxc5?! { (-5.51 → -7.84) Inaccuracy. Bb3 was best. } (10. Bb3 c4 11. a4 cxb3 12. axb5 bxc2 13. bxc6 cxb1=Q+ 14. Rxb1 Nb8 15. Rc1 Qb6 16. c7 Nc6) 10... bxa4 11. Nc3 Nxc5 12. Qe3 Nb4 13. O-O-O Rb8 14. a3 Nc6 15. h4 Qb6 16. b4 axb3 17. cxb3?! { (-13.53 → Mate in 4) Checkmate is now unavoidable. Na4 was best. } (17. Na4 Qb5 18. Bb4 bxc2 19. Nc3 cxd1=R+ 20. Kxd1 Qd3+ 21. Qxd3 Nxd3 22. Bxf8 Kxf8 23. Kc2 Ndxe5) 17... Nd3+?! { (Mate in 4 → -12.69) Lost forced checkmate sequence. Qxb3 was best. } (17... Qxb3 18. Nb5 Nd3+ 19. Qxd3 Bxa3+ 20. Nxa3 Qb2#) 18. Qxd3?! { (-12.69 → Mate in 3) Checkmate is now unavoidable. Kc2 was best. } (18. Kc2 Qxb3+ 19. Kxd3 Qc4+ 20. Kc2 d4 21. Nxd4 Nxd4+ 22. Qxd4 Qxd4 23. f3 Bb7 24. Bc1 Qxe5) 18... Qxb3 19. Qc2 Bxa3+ 20. Qb2 Qxb2# { Black wins by checkmate. } 0-1