lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/g9qLjolx"] [Date "2022.03.15"] [Round "-"] [White "AdminClub_1"] [Black "raul"] [Result "1-0"] [UTCDate "2022.03.15"] [UTCTime "15:49:45"] [WhiteElo "1586"] [BlackElo "1280"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Nc3 Qc5?! { (0.62 → 1.53) Inaccuracy. Best move was Qd8. } (3... Qd8 4. d4 Nf6 5. Nf3 e6 6. Be3 Nc6 7. Be2 Be7 8. O-O) 4. Nf3?! { (1.53 → 0.99) Inaccuracy. Best move was d4. } (4. d4 Qb6 5. Bd3 Nc6 6. Nf3 Bg4 7. d5 Nb4 8. O-O Nf6 9. Be3 Qa5 10. h3 Bxf3) 4... Qc6?? { (0.99 → 8.75) Blunder. Best move was e5. } (4... e5) 5. Bb5 Qxb5?! { (8.51 → 9.42) Inaccuracy. Best move was Bd7. } (5... Bd7 6. Bxc6 Nxc6 7. d4 Bg4 8. d5 O-O-O 9. Qd3 e6 10. Qc4 Bxf3 11. gxf3 Nb4 12. Bf4) 6. Nxb5 b6? { (8.99 → 17.84) Mistake. Best move was Na6. } (6... Na6 7. d4 c6 8. Qe2 e6 9. Bf4 Bd7 10. Nd6+ Bxd6 11. Bxd6 Ne7 12. O-O-O Nf5 13. Ba3) 7. Nxc7+ Kd8 8. Nxa8 Bf5 9. Nd4 Bd7 10. Qf3 Kc8 11. Qxf7 h5 12. Qxf8+ Kb7 13. Qf3+ Ka6?! { (23.92 → Mate in 3) Checkmate is now unavoidable. Best move was Bc6. } (13... Bc6 14. Nxc6) 14. Nc7+ Ka5 15. b4+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa3+. } (15. Qa3+ Ba4 16. b4#) 15... Kxb4 16. Qc3+ Ka4 17. Qb3+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qa3#. } (17. Qa3#) 17... Ka5 18. d3?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qa3+. } (18. Qa3+ Ba4 19. Nb3#) 18... Bg4 19. Bd2# { White wins by checkmate. } 1-0