lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/XQ7fFpq3"] [Date "2021.02.22"] [Round "-"] [White "AlexandraGrecu"] [Black "rdruta"] [Result "1-0"] [UTCDate "2021.02.22"] [UTCTime "17:51:49"] [WhiteElo "1446"] [BlackElo "1224"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. e3 Qf6? { (0.02 → 1.27) Mistake. Best move was d5. } (2... d5 3. Nf3 Nf6 4. Bd3 Be7 5. O-O O-O 6. b3 c5 7. Bb2) 3. c3?! { (1.27 → 0.36) Inaccuracy. Best move was Nf3. } (3. Nf3 d5 4. Bd3 c5 5. c4 Nc6 6. O-O Qd8 7. Nc3 dxc4 8. Bxc4 Nf6 9. Qc2 cxd4) 3... Bd6? { (0.36 → 1.68) Mistake. Best move was d5. } (3... d5 4. c4 c5 5. Nc3 Nc6 6. Nf3 Qd8 7. cxd5 exd5 8. Bb5 Nf6 9. O-O a6 10. Bd3) 4. Qa4? { (1.68 → 0.25) Mistake. Best move was Bd3. } (4. Bd3 c5 5. Nf3 cxd4 6. cxd4 Nc6 7. Nc3 Bb8 8. O-O Nge7 9. Kh1 Qh6 10. e4 Qh5) 4... c5?! { (0.25 → 1.16) Inaccuracy. Best move was Qg6. } (4... Qg6 5. Na3 Nf6 6. Nb5 O-O 7. Nxd6 cxd6 8. Ne2 Nc6 9. f3 d5 10. Nf4 Qh6 11. h4) 5. dxc5?! { (1.16 → 0.21) Inaccuracy. Best move was Nd2. } (5. Nd2 cxd4) 5... Bxc5 6. Nf3?! { (0.66 → -0.32) Inaccuracy. Best move was Nd2. } (6. Nd2 Qd8 7. Ngf3 Nf6 8. Bd3 O-O 9. e4 Ng4 10. O-O Nc6 11. Qd1 h6 12. h3 Nge5) 6... g5? { (-0.32 → 1.77) Mistake. Best move was Nc6. } (6... Nc6 7. Bd3) 7. h4?! { (1.77 → 1.26) Inaccuracy. Best move was Na3. } (7. Na3) 7... g4 8. Ng5? { (1.79 → 0.40) Mistake. Best move was Qxg4. } (8. Qxg4) 8... a6? { (0.40 → 2.63) Mistake. Best move was Qg7. } (8... Qg7 9. Qxg4) 9. b4? { (2.63 → 0.67) Mistake. Best move was Ne4. } (9. Ne4 Qe5) 9... b5?! { (0.67 → 1.55) Inaccuracy. Best move was Be7. } (9... Be7 10. Bb2 Qg7 11. Nd2 h6 12. Nge4 f5 13. Ng3 Nf6 14. c4 O-O 15. c5 Nc6 16. b5) 10. Qa5? { (1.55 → -1.09) Mistake. Best move was Qc2. } (10. Qc2 Be7) 10... Nc6 11. Qb6?? { (-0.51 → -15.61) Blunder. Best move was Qc7. } (11. Qc7 Bxb4) 11... Rb8?? { (-15.61 → 4.93) Blunder. Best move was Bxb6. } (11... Bxb6 12. Ne4 Qe5 13. Ned2 Nxb4 14. Kd1 Nd5 15. Bb2 Ndf6 16. a4 Qf5 17. Ke2 bxa4 18. Ra2) 12. Qc7?? { (4.93 → -1.21) Blunder. Best move was Qxc5. } (12. Qxc5 Qf5 13. f3 Qxc5 14. bxc5 f5 15. fxg4 h6 16. Nh3 fxg4 17. Nf4 Nf6 18. Nd2 Bb7) 12... h6?? { (-1.21 → 5.46) Blunder. Best move was Bxb4. } (12... Bxb4 13. Ne4 Qg7 14. Bb2 f5 15. Nd6+ Bxd6 16. Qxd6 Nge7 17. Qd2 e5 18. c4 b4 19. a3) 13. bxc5?? { (5.46 → 1.46) Blunder. Best move was Ne4. } (13. Ne4 Qe5 14. Qxe5 Nxe5 15. bxc5 Ke7 16. Nd6 g3 17. fxg3 Bb7 18. e4 Nf6 19. Nxb7 Rxb7) 13... Rb7?? { (1.46 → 12.17) Blunder. Best move was Qg6. } (13... Qg6) 14. Qxc8+ Nd8 15. Ba3?? { (17.20 → 5.66) Blunder. Best move was Ne4. } (15. Ne4) 15... hxg5 16. hxg5 Qxg5?? { (5.90 → 14.88) Blunder. Best move was Qg7. } (16... Qg7 17. c6 dxc6 18. Bf8 Qxf8 19. Rxh8 Qg7 20. Rh4 Ne7 21. Qa8 g3 22. Rd4 Nd5 23. f4) 17. Rxh8 Qe5?! { (14.20 → Mate in 2) Checkmate is now unavoidable. Best move was Ra7. } (17... Ra7 18. Bb4 a5 19. Na3 Kf8 20. Nxb5 axb4 21. Nxa7 Qf6 22. Nb5 Qxh8 23. Qxd8+ Kg7 24. cxb4) 18. Rxg8+ Ke7 19. Qxd8# { White wins by checkmate. } 1-0