lichess dev

[Event "catana Arena"] [Site "http://chess-academy.net/6vqORcjm"] [Date "2020.07.21"] [Round "-"] [White "Arthur-Dan"] [Black "Marius"] [Result "1-0"] [UTCDate "2020.07.21"] [UTCTime "14:29:45"] [WhiteElo "1700"] [BlackElo "1456"] [WhiteRatingDiff "+42"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "420+1"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. c4?! { (0.38 → -0.12) Inaccuracy. Best move was e4. } (2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O c4) 2... Qh4? { (-0.12 → 1.18) Mistake. Best move was d5. } (2... d5 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 cxd4 6. Nxd4 Nxd5 7. Bd2 Bb4 8. Nxd5 Bxd2+ 9. Qxd2) 3. Nf3 Qe4? { (1.02 → 2.07) Mistake. Best move was Bb4+. } (3... Bb4+) 4. Nc3? { (2.07 → 1.04) Mistake. Best move was a3. } (4. a3 Nf6) 4... Qc6? { (1.04 → 2.59) Mistake. Best move was Bb4. } (4... Bb4) 5. Bf4? { (2.59 → 1.22) Mistake. Best move was Ne5. } (5. Ne5 Qd6 6. c5 Qe7 7. Bf4 b6 8. e3 bxc5 9. Qf3 c6 10. Nc4 Qd8 11. dxc5 Bxc5) 5... Qa6? { (1.22 → 3.69) Mistake. Best move was Bb4. } (5... Bb4 6. e3 Bxc3+ 7. bxc3 d6 8. Bd3 Nf6 9. O-O O-O 10. Re1 Ne4 11. Qc2 f5 12. c5) 6. e3? { (3.69 → 2.68) Mistake. Best move was a3. } (6. a3) 6... Qa5 7. c5?! { (3.15 → 2.43) Inaccuracy. Best move was Bd3. } (7. Bd3 Nf6) 7... Nc6?? { (2.43 → 6.92) Blunder. Best move was Nf6. } (7... Nf6) 8. Qd2?? { (6.92 → 2.21) Blunder. Best move was Nd2. } (8. Nd2) 8... Nb4? { (2.21 → 4.24) Mistake. Best move was a6. } (8... a6 9. a3 d6 10. d5 exd5 11. Nxd5 Qxd2+ 12. Nxd2 Kd8 13. Nc4 Nf6 14. Nxf6 gxf6 15. cxd6) 9. a3?! { (4.24 → 3.31) Inaccuracy. Best move was Nb5. } (9. Nb5 d6) 9... Nd5 10. b4 Qa6?? { (3.12 → 10.88) Blunder. Best move was Nxb4. } (10... Nxb4) 11. Bxa6 bxa6 12. Nxd5 exd5 13. Bxc7 Be7 14. e4 Nh6 15. Ng5 O-O 16. exd5 f6 17. Ne4 f5 18. Ng5 Ng4 19. f3 Bxg5 20. Qxg5 Nh6 21. Be5 Re8?! { (13.55 → Mate in 1) Checkmate is now unavoidable. Best move was Rf7. } (21... Rf7 22. O-O) 22. Qxg7# { White wins by checkmate. } 1-0