lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/VPpugz11"] [Date "2021.03.15"] [Round "-"] [White "TryToPassWIL2"] [Black "catana"] [Result "1-0"] [UTCDate "2021.03.15"] [UTCTime "17:42:08"] [WhiteElo "1865"] [BlackElo "1615"] [WhiteRatingDiff "+38"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B06"] [Opening "Robatsch (Modern) Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 g6?! { (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. d4 Bg7 { B06 Robatsch (Modern) Defense } 3. Nf3 d5 4. exd5 Qxd5 5. Nc3?! { (0.95 → 0.35) Inaccuracy. Best move was c4. } (5. c4 Qd8) 5... Qe6+?! { (0.35 → 0.90) Inaccuracy. Best move was Qd8. } (5... Qd8) 6. Be2 b6? { (0.64 → 3.29) Mistake. Best move was Nf6. } (6... Nf6) 7. O-O? { (3.29 → 1.81) Mistake. Best move was Ng5. } (7. Ng5 Qd7 8. Bc4 e6 9. d5 h6 10. Qf3 exd5 11. Bxd5 hxg5 12. Bxg5 Qf5 13. Qxf5 Bxf5) 7... Bb7? { (1.81 → 2.83) Mistake. Best move was c6. } (7... c6 8. d5) 8. Bf4? { (2.83 → 1.71) Mistake. Best move was Re1. } (8. Re1 Qd6) 8... Bxf3?? { (1.71 → 5.65) Blunder. Best move was Nf6. } (8... Nf6 9. Nb5 Na6 10. Bxc7 O-O 11. Be5 Ne4 12. c4 f6 13. Bf4 g5 14. Be3 Qd7 15. Nd2) 9. Bxf3 Nc6? { (5.53 → 6.91) Mistake. Best move was c6. } (9... c6 10. d5 Qf5 11. Qd2 Nf6 12. dxc6 O-O 13. c7 Nbd7 14. Bxa8 Rxa8 15. Bg3 Rc8 16. Rad1) 10. d5? { (6.91 → 4.74) Mistake. Best move was Nb5. } (10. Nb5 Qf6) 10... Qf6? { (4.74 → 6.24) Mistake. Best move was Qf5. } (10... Qf5 11. d6) 11. Bg3?? { (6.24 → 2.75) Blunder. Best move was d6. } (11. d6 O-O-O 12. Bg4+ e6 13. Qf3 Rxd6 14. Ne4 Nd4 15. Nxd6+ cxd6 16. Qa8+ Kd7 17. Qxa7+ Ke8) 11... Ne5? { (2.75 → 4.50) Mistake. Best move was Nd4. } (11... Nd4 12. Bg4) 12. Bxe5 Qxe5 13. Re1 Qf6? { (5.35 → 6.35) Mistake. Best move was Qd6. } (13... Qd6 14. Nb5) 14. Ne4?? { (6.35 → 2.09) Blunder. Best move was d6. } (14. d6) 14... Qxb2? { (2.09 → 4.28) Mistake. Best move was Qd4. } (14... Qd4) 15. d6?? { (4.28 → -1.39) Blunder. Best move was c3. } (15. c3 Rd8 16. Qa4+ b5 17. Qa5 f5 18. Rab1 Qxb1 19. Rxb1 fxe4 20. Bxe4 Be5 21. Qxb5+ Kf7) 15... O-O-O?? { (-1.39 → Mate in 7) Checkmate is now unavoidable. Best move was Qxa1. } (15... Qxa1) 16. Qe2? { (Mate in 7 → 7.94) Lost forced checkmate sequence. Best move was Qd5. } (16. Qd5 Qb5 17. d7+ Kb8 18. Qxb5 Nf6 19. Nc5 Ne4 20. Na6+ Kb7 21. Bxe4+ c6 22. Bxc6#) 16... exd6? { (7.94 → 13.12) Mistake. Best move was Qa3. } (16... Qa3 17. dxc7) 17. Qa6+ Kb8?! { (12.89 → Mate in 2) Checkmate is now unavoidable. Best move was Kd7. } (17... Kd7 18. Nxd6) 18. Nc5?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Nxd6. } (18. Nxd6 cxd6 19. Qb7#) 18... bxc5 19. Rab1 Qxb1 20. Rxb1+ Bb2 21. Rxb2# { White wins by checkmate. } 1-0