lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/4dFmiPrh"] [Date "2020.12.06"] [Round "-"] [White "Lucadita"] [Black "badeaion"] [Result "1-0"] [UTCDate "2020.12.06"] [UTCTime "17:01:30"] [WhiteElo "1928"] [BlackElo "1374"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. g3?! { (0.38 → -0.42) Inaccuracy. Best move was e4. } (2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O c4) 2... Nf6? { (-0.42 → 0.58) Mistake. Best move was c5. } (2... c5 3. e3) 3. Bg2? { (0.58 → -0.44) Mistake. Best move was c4. } (3. c4 d5 4. Nf3 dxc4 5. Bg2 Bb4+ 6. Bd2 Be7 7. O-O O-O 8. Nc3 Nc6 9. e3 e5) 3... Ng4? { (-0.44 → 1.73) Mistake. Best move was c5. } (3... c5 4. c3 Nc6 5. Nf3 Be7 6. O-O O-O 7. Bf4 h6 8. dxc5 Bxc5 9. Nbd2 d6 10. Nb3) 4. Nf3? { (1.73 → 0.67) Mistake. Best move was e4. } (4. e4) 4... Bb4+?! { (0.67 → 1.33) Inaccuracy. Best move was c5. } (4... c5 5. e4) 5. c3 Ba5? { (0.97 → 2.17) Mistake. Best move was Be7. } (5... Be7 6. e4 d6 7. Qe2 Nf6 8. O-O d5 9. e5 Nfd7 10. b3 c5 11. c4 dxc4 12. bxc4) 6. O-O?! { (2.17 → 1.40) Inaccuracy. Best move was e4. } (6. e4 O-O) 6... h5? { (1.40 → 3.08) Mistake. Best move was d5. } (6... d5) 7. b3? { (3.08 → 1.84) Mistake. Best move was e4. } (7. e4 d6 8. Bg5 f6 9. Bc1 g5 10. Nbd2 Bb6 11. Nc4 Nd7 12. a4 a6 13. Nxb6 Nxb6) 7... h4?! { (1.84 → 2.83) Inaccuracy. Best move was d5. } (7... d5 8. Qc2 O-O 9. Nbd2 Nd7 10. Ba3 Re8 11. e4 c6 12. e5 Nf8 13. Rfe1 Nh6 14. h4) 8. Nxh4? { (2.83 → 1.57) Mistake. Best move was h3. } (8. h3 Nf6) 8... Bxc3?? { (1.57 → 7.75) Blunder. Best move was Nxh2. } (8... Nxh2 9. Kxh2 g5 10. b4 Bb6 11. Bxg5 Qxg5 12. Nd2 d5 13. e4 c6 14. Kg1 Qh6 15. Re1) 9. Nxc3 g5? { (7.28 → 8.91) Mistake. Best move was d6. } (9... d6 10. e4 Nh6 11. f4 Nc6 12. d5 Ne7 13. dxe6 fxe6 14. f5 c6 15. f6 gxf6 16. Rxf6) 10. Nf3 e5? { (8.00 → 10.97) Mistake. Best move was f6. } (10... f6 11. d5) 11. dxe5 Nxe5 12. Nxe5 g4 13. Qd4 Qf6 14. Qe4 Qh6?! { (12.54 → Mate in 2) Checkmate is now unavoidable. Best move was Qe6. } (14... Qe6 15. Nd5) 15. Bxh6?! { (Mate in 2 → Mate in 8) Not the best checkmate sequence. Best move was Ng6+. } (15. Ng6+ Kd8 16. Qe7#) 15... Rxh6 16. Qxg4?! { (Mate in 2 → 32.03) Lost forced checkmate sequence. Best move was Ng6+. } (16. Ng6+ Kd8 17. Qe7#) 16... d6?! { (32.03 → Mate in 2) Checkmate is now unavoidable. Best move was c6. } (16... c6 17. Qg8+) 17. Qxc8+ Ke7 18. Qd7+?! { (Mate in 1 → 14.74) Lost forced checkmate sequence. Best move was Nd5#. } (18. Nd5#) 18... Kf6?! { (14.74 → Mate in 3) Checkmate is now unavoidable. Best move was Nxd7. } (18... Nxd7 19. Nd5+ Ke6 20. Ng4 Rg6 21. Nxc7+ Ke7 22. Nxa8 Rxg4 23. Bxb7 Rd4 24. Nc7 Rd2 25. Bf3) 19. Qxc7?! { (Mate in 3 → 32.38) Lost forced checkmate sequence. Best move was Qxf7+. } (19. Qxf7+ Kxe5 20. Rad1 c6 21. f4#) 19... Kxe5?! { (32.38 → Mate in 4) Checkmate is now unavoidable. Best move was dxe5. } (19... dxe5 20. Qxb7) 20. Qxb7?! { (Mate in 4 → 38.83) Lost forced checkmate sequence. Best move was Qxf7. } (20. Qxf7 d5 21. Nb5 Rh4 22. f4+ Rxf4 23. gxf4#) 20... Rh8?! { (38.83 → Mate in 4) Checkmate is now unavoidable. Best move was Kf6. } (20... Kf6 21. Qxa8) 21. Qxa8?! { (Mate in 4 → 83.59) Lost forced checkmate sequence. Best move was Qe7+. } (21. Qe7+ Kf5 22. Be4+ Kg4 23. f3+ Kh3 24. Bf5#) 21... Nd7?! { (83.59 → Mate in 6) Checkmate is now unavoidable. Best move was Kf6. } (21... Kf6 22. Qxa7) 22. Qxa7 Nf6 23. f4+ Kf5 24. Qxf7 Rh7 25. e4+ Kg4 26. Qxf6?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qg6#. } (26. Qg6#) 26... Rd7 27. Qg5# { White wins by checkmate. } 1-0