lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/Lz7kNxdz"] [Date "2020.11.24"] [Round "-"] [White "Stefansah"] [Black "Mara"] [Result "0-1"] [UTCDate "2020.11.24"] [UTCTime "17:59:50"] [WhiteElo "1181"] [BlackElo "1616"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Ware Opening"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. a4?! { (0.15 → -0.44) Inaccuracy. Best move was e4. } { A00 Ware Opening } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... d5 2. c3?! { (-0.18 → -0.99) Inaccuracy. Best move was Nf3. } (2. Nf3 Nf6 3. d4 c5 4. e3 Nc6 5. Bb5 e6 6. O-O Bd6) 2... d4? { (-0.99 → 1.01) Mistake. Best move was e5. } (2... e5 3. d4 Nc6 4. dxe5 Nxe5 5. Nd2 Bd6 6. Ngf3 Nxf3+ 7. Nxf3 Nf6 8. g3 O-O 9. Bg2) 3. cxd4 Qxd4 4. Nc3?! { (1.19 → 0.68) Inaccuracy. Best move was Nf3. } (4. Nf3 Qd6) 4... a6?! { (0.68 → 1.60) Inaccuracy. Best move was Qd6. } (4... Qd6 5. Nf3) 5. d3? { (1.60 → -0.05) Mistake. Best move was Nf3. } (5. Nf3) 5... b5? { (-0.05 → 2.62) Mistake. Best move was e5. } (5... e5 6. Nf3 Qd6 7. g3 Nc6 8. Bg2 Nf6 9. O-O Be7 10. Be3 Ng4 11. Ne4 Qd7 12. Rc1) 6. axb5 axb5?? { (2.24 → 9.74) Blunder. Best move was Bb7. } (6... Bb7 7. Nf3 Qd8 8. d4 axb5 9. Rxa8 Bxa8 10. e4 c6 11. Bd3 e5 12. dxe5 Nd7 13. Bc2) 7. Be3?? { (9.74 → 1.28) Blunder. Best move was Rxa8. } (7. Rxa8 Qb6 8. Be3 Qb7 9. Ra7 Qc6 10. Nf3 e5 11. Nxe5 Qe6 12. d4 Bd6 13. Nxb5 Ne7) 7... Qd6?? { (1.28 → 11.26) Blunder. Best move was Rxa1. } (7... Rxa1 8. Qxa1) 8. Nxb5?? { (11.26 → 2.29) Blunder. Best move was Rxa8. } (8. Rxa8 c6 9. Ba7 Qd8 10. Rxb8 e6 11. Nf3 Bd6 12. Ra8 Nf6 13. g3 Qc7 14. Be3 O-O) 8... Rxa1?? { (2.29 → 10.53) Blunder. Best move was Qb4+. } (8... Qb4+ 9. Bd2) 9. Qxa1?? { (10.53 → 0.89) Blunder. Best move was Nxd6+. } (9. Nxd6+ exd6 10. Qxa1 Nc6 11. Nf3 Nd8 12. Qa7 Bb7 13. Qb8 Kd7 14. Bd2 Nf6 15. Ba5 Ne8) 9... Qb4+ 10. Kd1?? { (1.21 → -5.31) Blunder. Best move was Nc3. } (10. Nc3 e5) 10... Qb3+? { (-5.31 → -4.29) Mistake. Best move was Qxb5. } (10... Qxb5) 11. Kc1 Bd7?? { (-4.50 → 4.37) Blunder. Best move was Qxb5. } (11... Qxb5) 12. Nc3?? { (4.37 → 0.45) Blunder. Best move was Nxc7+. } (12. Nxc7+) 12... Ba4?? { (0.45 → 6.20) Blunder. Best move was e5. } (12... e5 13. Nf3) 13. Nxa4?! { (6.20 → 5.41) Inaccuracy. Best move was Qxa4+. } (13. Qxa4+ Qxa4 14. Nxa4 e5 15. Nf3 Bd6 16. Nc3 Nh6 17. h3 Nf5 18. Bd2 Nc6 19. e3 O-O) 13... g5? { (5.41 → 7.51) Mistake. Best move was e6. } (13... e6 14. Nc5 Qb5 15. Qa7 Nc6 16. Qa8+ Nd8 17. Qa4 Qxa4 18. Nxa4 Nh6 19. Nh3 Nf5 20. Bc5) 14. Kd2? { (7.51 → 5.14) Mistake. Best move was Nf3. } (14. Nf3 Bg7) 14... h5? { (5.14 → 6.90) Mistake. Best move was Nh6. } (14... Nh6 15. Bxg5 Nf5 16. Nc3 f6 17. Be3 Nxe3 18. fxe3 Nc6 19. g3 Kf7 20. Qa3 Qxa3 21. bxa3) 15. d4? { (6.90 → 4.92) Mistake. Best move was Bxg5. } (15. Bxg5 Nh6) 15... Rh6?! { (4.92 → 5.62) Inaccuracy. Best move was Nf6. } (15... Nf6 16. Nc5) 16. Bxg5?? { (5.62 → 2.22) Blunder. Best move was Nc5. } (16. Nc5) 16... Rc6?? { (2.22 → 6.68) Blunder. Best move was Ra6. } (16... Ra6) 17. Nc3 Na6? { (6.08 → 9.07) Mistake. Best move was Ra6. } (17... Ra6) 18. Ke3?? { (9.07 → 3.97) Blunder. Best move was e4. } (18. e4 Nb4 19. Bb5 f6 20. Be3 Kf7 21. Bxc6 Nxc6 22. Qa2 Qxa2 23. Nxa2 Bh6 24. Nf3 Bxe3+) 18... Nb4? { (3.97 → 6.02) Mistake. Best move was f6. } (18... f6 19. Bh4) 19. d5?? { (6.02 → -8.92) Blunder. Best move was Qa8+. } (19. Qa8+ Kd7) 19... Nc2+ 20. Kf4? { (-7.45 → -8.96) Mistake. Best move was Kf3. } (20. Kf3 Rxc3+) 20... Nxa1 21. Bxe7? { (-7.85 → -14.96) Mistake. Best move was dxc6. } (21. dxc6 Qc4+) 21... Rc4+ 22. Ne4?! { (-10.94 → Mate in 6) Checkmate is now unavoidable. Best move was e4. } (22. e4 Qxb2) 22... Nxe7 23. Ke5 Qxb2+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bh6. } (23... Bh6 24. Nf6+ Kd8 25. Ne4 Qxb2+ 26. Nc3 Qxc3#) 24. Kf4 Nxd5+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qf6+. } (24... Qf6+ 25. Kg3 Qg6+ 26. Ng5 Qxg5+ 27. Kh3 Rh4#) 25. Kf5 Ne7+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qb6. } (25... Qb6 26. Nd6+ Qxd6 27. e3 Qf6#) 26. Kf4 Qd4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qf6+. } (26... Qf6+ 27. Kg3 Rxe4 28. Nf3 Qf4+ 29. Kh3 Qg4#) 27. f3 f5?! { (Mate in 4 → -23.92) Lost forced checkmate sequence. Best move was Qf6+. } (27... Qf6+ 28. Kg3 Nf5+ 29. Kf2 Qd4+ 30. Ke1 Nc2#) 28. Kg5?! { (-23.92 → Mate in 5) Checkmate is now unavoidable. Best move was Kg3. } (28. Kg3 fxe4) 28... fxe4?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qe3+. } (28... Qe3+ 29. f4 fxe4 30. g3 Qc5+ 31. Kh4 Qf5 32. Bh3 Ng6#) 29. fxe4 Qxe4 30. e3 Rc5+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qh4#. } { Black wins on time. } (30... Qh4#) 0-1