lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/O42pfjCE"] [Date "2020.10.29"] [Round "-"] [White "conduranna"] [Black "Stelian"] [Result "0-1"] [UTCDate "2020.10.29"] [UTCTime "17:53:28"] [WhiteElo "1361"] [BlackElo "1458"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Nf3 Nc6?! { (0.09 → 0.85) Inaccuracy. Best move was Nf6. } (2... Nf6 3. d4 Be7 4. c4 d5 5. cxd5 exd5 6. Nc3 O-O 7. Bd3) 3. Bb5?! { (0.85 → -0.08) Inaccuracy. Best move was d4. } (3. d4 d5 4. c4 Nf6 5. Nc3 Bd6 6. c5 Be7 7. a3 O-O) 3... d5?! { (-0.08 → 0.71) Inaccuracy. Best move was a6. } (3... a6) 4. O-O Bc5? { (0.05 → 1.18) Mistake. Best move was Nf6. } (4... Nf6 5. d4 Bd7 6. c4 Bd6 7. Nc3 O-O 8. cxd5 exd5 9. Bd3 Ne7 10. e4 dxe4 11. Nxe4) 5. d4 Bb4? { (0.72 → 1.78) Mistake. Best move was Bd6. } (5... Bd6 6. Bxc6+) 6. c3? { (1.78 → 0.71) Mistake. Best move was c4. } (6. c4 Bd6 7. Nc3 Nf6 8. Ne5 O-O 9. Nxc6 bxc6 10. Bxc6 Rb8 11. c5 Be7 12. Bb5 Ne4) 6... Ba5? { (0.71 → 2.21) Mistake. Best move was Bd6. } (6... Bd6 7. Nbd2 Nf6 8. Bd3 O-O 9. e4 dxe4 10. Nxe4 h6 11. Bc2 Nxe4 12. Bxe4 Ne7 13. Qe2) 7. Qa4 b6?? { (1.79 → 10.37) Blunder. Best move was Bb6. } (7... Bb6 8. Bxc6+) 8. Bxc6+ Bd7 9. Ne5 Bxc6 10. Nxc6?? { (10.04 → 5.71) Blunder. Best move was Qxc6+. } (10. Qxc6+ Ke7 11. b3 Bb4 12. Qa4 Qe8 13. Qxb4+ Kd8 14. Ba3 Nh6 15. c4 a5 16. Qd2 f6) 10... Qh4?? { (5.71 → 11.18) Blunder. Best move was Qd7. } (10... Qd7 11. b3) 11. h3 Nf6 12. Ne5+ Nd7?! { (10.86 → Mate in 2) Checkmate is now unavoidable. Best move was Ke7. } (12... Ke7 13. b3) 13. Nxd7?! { (Mate in 2 → 13.70) Lost forced checkmate sequence. Best move was Qxd7+. } (13. Qxd7+ Kf8 14. Qxf7#) 13... O-O-O 14. Ne5 c6 15. Qxc6+ Kb8 16. Nd7+ Rxd7 17. Qxd7 Rd8 18. Qxf7 g5 19. g4 h5 20. f3?? { (16.98 → 0.00) Blunder. Best move was b4. } (20. b4 Qxh3 21. Qxh5 Qxh5 22. gxh5 Bxb4 23. cxb4 Rh8 24. Kg2 Rxh5 25. Kg3 Rh6 26. Kg4 a6) 20... hxg4?? { (0.00 → 7.85) Blunder. Best move was Qg3+. } (20... Qg3+ 21. Kh1 Qxh3+ 22. Kg1 Qg3+ 23. Kh1) 21. fxg4?? { (7.85 → 0.00) Blunder. Best move was Rf2. } (21. Rf2 Qg3+ 22. Kf1 Qxh3+ 23. Ke2 g3 24. Rf1 Qh2+ 25. Kd3 b5 26. Nd2 g2 27. Rf2 g1=Q) 21... Qxh3?? { (0.00 → 13.42) Blunder. Best move was Qg3+. } (21... Qg3+ 22. Kh1 Qxh3+ 23. Kg1 Qg3+ 24. Kh1 Rh8+ 25. Qh5 Rxh5+ 26. gxh5 Qh3+ 27. Kg1 Qg3+) 22. b4?? { (13.42 → 0.00) Blunder. Best move was Qf3. } (22. Qf3 Qxf3 23. Rxf3 b5 24. Nd2 Bc7 25. Rf6 Re8 26. Nf3 Kb7 27. Nxg5 e5 28. Rf5 Re7) 22... Qxg4+?? { (0.00 → 15.34) Blunder. Best move was Qg3+. } (22... Qg3+ 23. Kh1 Qh3+ 24. Kg1) 23. Kh2?? { (15.34 → Mate in 2) Checkmate is now unavoidable. Best move was Kf2. } (23. Kf2 Rh8 24. Ke1 Qg3+ 25. Kd2 Bxb4 26. cxb4 Qd6 27. Ba3 b5 28. Nc3 Qa6 29. Bc1 Rc8) 23... Rh8+ 24. Qh5 Rxh5# { Black wins by checkmate. } 0-1