lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/dOArMJ0Q"] [Date "2025.03.06"] [Round "-"] [White "denysan"] [Black "Voitovici"] [Result "1-0"] [UTCDate "2025.03.06"] [UTCTime "17:00:07"] [WhiteElo "1392"] [BlackElo "1439"] [WhiteRatingDiff "+35"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C40"] [Opening "Gunderam Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Qe7? { (0.22 → 1.33) Mistake. Best move was Nc6. } { C40 Gunderam Defense } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. d3?! { (1.33 → 0.36) Inaccuracy. Best move was Bc4. } (3. Bc4) 3... Nc6?! { (0.36 → 0.92) Inaccuracy. Best move was Nf6. } (3... Nf6 4. c4 g6 5. Be2 Bg7 6. Nc3 O-O 7. O-O d6 8. Be3 c6 9. h3 Re8 10. Qc2) 4. Nc3 Nf6 5. Bg5?! { (1.01 → 0.40) Inaccuracy. Best move was Be2. } (5. Be2 Qc5) 5... h6? { (0.40 → 1.56) Mistake. Best move was Qd8. } (5... Qd8) 6. Bh4? { (1.56 → -0.54) Mistake. Best move was Nd5. } (6. Nd5) 6... a5? { (-0.54 → 1.56) Mistake. Best move was g5. } (6... g5) 7. a3? { (1.56 → -0.15) Mistake. Best move was Nd5. } (7. Nd5 Qd8) 7... Ra6?? { (-0.15 → 2.95) Blunder. Best move was g5. } (7... g5 8. Bg3) 8. b4?? { (2.95 → -0.66) Blunder. Best move was d4. } (8. d4 exd4) 8... b6?? { (-0.66 → 4.97) Blunder. Best move was axb4. } (8... axb4) 9. Qb1?? { (4.97 → -1.59) Blunder. Best move was Nd5. } (9. Nd5 Qd6 10. Nxf6+ gxf6 11. b5 Ra8 12. bxc6 Qxc6 13. Be2 d5 14. exd5 Qc3+ 15. Nd2 Bg7) 9... d6?? { (-1.59 → 5.21) Blunder. Best move was axb4. } (9... axb4) 10. Qb2?? { (5.21 → 1.76) Blunder. Best move was Bxf6. } (10. Bxf6) 10... g5 11. Bg3? { (2.04 → -0.14) Mistake. Best move was b5. } (11. b5 Ra8) 11... h5? { (-0.14 → 2.04) Mistake. Best move was axb4. } (11... axb4 12. axb4) 12. Nxg5? { (2.04 → -0.62) Mistake. Best move was b5. } (12. b5 Ra8 13. bxc6 h4 14. Bxe5 dxe5 15. Nxg5 Rh5 16. Nf3 h3 17. Ne2 hxg2 18. Bxg2 Bg4) 12... Rh7?? { (-0.62 → 8.33) Blunder. Best move was axb4. } (12... axb4) 13. Nxh7 Nxh7 14. Bh4?? { (8.31 → 3.22) Blunder. Best move was b5. } (14. b5 Qd8 15. h4 Ra8 16. bxc6 Bg7 17. Be2 Nf6 18. Qc1 Kf8 19. Nb5 Kg8 20. c4 Kh7) 14... Qxh4 15. g3?! { (3.82 → 2.97) Inaccuracy. Best move was b5. } (15. b5 Ra8 16. bxc6 Be6 17. Nb5 Rc8 18. g3 Qg4 19. Be2 Qg5 20. h4 Qg6 21. O-O Bg7) 15... Qf6?! { (2.97 → 3.68) Inaccuracy. Best move was Qg4. } (15... Qg4 16. Be2 Qd7 17. b5 Ra7 18. bxc6 Qxc6 19. d4 Ba6 20. Bxa6 Rxa6 21. d5 Qd7 22. Qb5) 16. O-O-O?? { (3.68 → -3.45) Blunder. Best move was b5. } (16. b5) 16... Bh6+? { (-3.45 → -0.90) Mistake. Best move was axb4. } (16... axb4 17. Nd5) 17. Kb1? { (-0.90 → -2.64) Mistake. Best move was f4. } (17. f4) 17... Be6?? { (-2.64 → 2.91) Blunder. Best move was axb4. } (17... axb4 18. Nd5 Qf3 19. Bh3 Kd8 20. Bxc8 Kxc8 21. axb4 b5 22. c3 Nf6 23. Nxf6 Qxf6 24. Qb3) 18. f4?? { (2.91 → -2.80) Blunder. Best move was b5. } (18. b5) 18... Qg7?? { (-2.80 → 4.34) Blunder. Best move was axb4. } (18... axb4 19. Nb5) 19. Re1?? { (4.34 → -2.20) Blunder. Best move was b5. } (19. b5) 19... f6?? { (-2.20 → 5.38) Blunder. Best move was axb4. } (19... axb4 20. Nb5 Kf8 21. d4 bxa3 22. Qc3 Bd7 23. fxe5 Ra4 24. exd6 cxd6 25. Bc4 a2+ 26. Ka1) 20. Re3?? { (5.38 → -2.93) Blunder. Best move was b5. } (20. b5) 20... Qg8?? { (-2.93 → 4.26) Blunder. Best move was axb4. } (20... axb4 21. d4) 21. Be2?? { (4.26 → -2.42) Blunder. Best move was b5. } (21. b5 Ra8) 21... Ba2+?? { (-2.42 → 5.72) Blunder. Best move was axb4. } (21... axb4) 22. Qxa2? { (5.72 → 4.30) Mistake. Best move was Nxa2. } (22. Nxa2 b5 23. bxa5 Rxa5 24. Nb4 Ne7 25. d4 exf4 26. Rb3 Ng5 27. Qc3 Kd8 28. Nd5 Ra7) 22... Qf8?? { (4.30 → 10.96) Blunder. Best move was Qxa2+. } (22... Qxa2+ 23. Nxa2) 23. Bxh5+ Ke7 24. Nd5+ Kd8 25. Qc4 b5 26. Qc3?? { (14.89 → 5.05) Blunder. Best move was Qxb5. } (26. Qxb5) 26... Ra8?? { (5.05 → 24.82) Blunder. Best move was axb4. } (26... axb4 27. Nxb4) 27. Qxc6 Rc8 28. Qb7 Qe7?! { (13.48 → Mate in 4) Checkmate is now unavoidable. Best move was Qg7. } (28... Qg7 29. Qxb5) 29. Nxe7 Kd7 30. Qxc8+ Kxe7 31. Qxc7+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qe8#. } (31. Qe8#) 31... Kf8 32. Qxh7?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qf7#. } (32. Qf7#) 32... Bg7 33. Qg6 Kg8 34. Qf7+ Kh7 35. Qg6+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Bg6+. } (35. Bg6+ Kh6 36. Bf5 exf4 37. Qg6#) 35... Kh8 36. d4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qe8+. } (36. Qe8+ Bf8 37. Bg6 Kg7 38. Qf7+ Kh6 39. Qh7#) 36... a4 37. Rc3 Kg8 38. Rc8# { White wins by checkmate. } 1-0