lichess dev

[Event "ANS Arena"] [Site "http://chess-academy.net/tcEuMnCs"] [Date "2026.05.07"] [Round "-"] [White "leonid"] [Black "Iaroslav2016"] [Result "0-1"] [UTCDate "2026.05.07"] [UTCTime "17:34:09"] [WhiteElo "1359"] [BlackElo "1745"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+12"] [Variant "Chess960"] [TimeControl "600+0"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "bnrbkrnq/pppppppp/8/8/8/8/PPPPPPPP/BNRBKRNQ w KQkq - 0 1"] [SetUp "1"] [Annotator "chess-academy.net"] 1. Nf3 Nc6?! { (-0.20 → 0.71) Inaccuracy. Best move was c5. } (1... c5 2. O-O Nf6 3. c4 e6 4. b3 Nc6 5. e3 O-O 6. d4 cxd4 7. Nxd4 b6 8. Nd2) 2. Nc3? { (0.71 → -0.55) Mistake. Best move was c4. } (2. c4 e6) 2... Nf6? { (-0.55 → 0.60) Mistake. Best move was f5. } (2... f5) 3. Nb5?! { (0.60 → -0.27) Inaccuracy. Best move was O-O. } (3. O-O O-O 4. b3 d6 5. Bb2 b6 6. d4 e6 7. e3 Bb7 8. Nd2 d5 9. Bf3 Ne7) 3... a6 4. Na3?! { (0.00 → -0.75) Inaccuracy. Best move was Nc3. } (4. Nc3 O-O 5. b3 b5 6. O-O e6 7. d3 Ne7 8. e3 c5 9. Bb2 Bb7 10. Ne2 d6) 4... b5?! { (-0.75 → -0.01) Inaccuracy. Best move was b6. } (4... b6 5. b3 O-O 6. O-O e6 7. d3 Nd5 8. e4 Ndb4 9. Bb2 Bf6 10. d4 Na5 11. e5) 5. Ne5?? { (-0.01 → -5.57) Blunder. Best move was b3. } (5. b3) 5... Nxe5 6. e4? { (-5.02 → -6.52) Mistake. Best move was c4. } (6. c4 b4 7. b3 Ng6 8. Nc2 c5 9. d4 O-O 10. e3 Ne4 11. O-O cxd4 12. Nxd4 f5) 6... Bxe4 7. d3?! { (-6.51 → -7.08) Inaccuracy. Best move was b3. } (7. b3 Ng6 8. f3 Bb7 9. g3 e5 10. c4 O-O 11. cxb5 Ra8 12. b6 cxb6 13. Nc4 b5) 7... Bd5 8. b3 b4? { (-6.80 → -5.35) Mistake. Best move was Ng6. } (8... Ng6 9. c4) 9. Nb1? { (-5.35 → -6.69) Mistake. Best move was Bxe5. } (9. Bxe5 bxa3) 9... c6?? { (-6.69 → -1.61) Blunder. Best move was Ng6. } (9... Ng6 10. Nd2 c5 11. Bf3 Bxf3 12. Nxf3 e6 13. O-O h5 14. h3 O-O 15. Bb2 Nd5 16. Ra1) 10. Bxe5 Bc7?! { (-2.12 → -1.42) Inaccuracy. Best move was h5. } (10... h5 11. c4 Be6 12. O-O O-O 13. h3 Qh6 14. Be2 d6 15. Bb2 Bf5 16. Rcd1 e5 17. Nd2) 11. Bxf6? { (-1.42 → -3.46) Mistake. Best move was Bxc7. } (11. Bxc7 Rxc7 12. c4 Be6 13. h3 c5 14. Bc2 d6 15. O-O Nd7 16. Qh2 O-O 17. Nd2 g6) 11... gxf6 12. Bh5? { (-3.12 → -5.38) Mistake. Best move was c4. } (12. c4 bxc3) 12... Qg8 13. Nd2? { (-4.92 → -6.00) Mistake. Best move was Bf3. } (13. Bf3 Qg5 14. Kd1 Bf4 15. h4 Bxf3+ 16. gxf3 Qh6 17. Ke2 f5 18. Rg1 Bxc1 19. Rxc1 d5) 13... Bxg2 14. Qg1 Bxf1 15. Qxf1 Bxh2 16. O-O-O Qg5 17. Qe2?! { (-5.72 → -6.39) Inaccuracy. Best move was Bf3. } (17. Bf3 Bf4) 17... O-O? { (-6.39 → -4.13) Mistake. Best move was Bf4. } (17... Bf4) 18. a4? { (-4.13 → -6.20) Mistake. Best move was Kb1. } (18. Kb1 c5 19. Bf3 Bf4 20. Bb7 Rc7 21. Nf3 Qh6 22. Bxa6 e6 23. Rg1+ Kh8 24. Qd1 Rg8) 18... bxa3? { (-6.20 → -5.13) Mistake. Best move was Bf4. } (18... Bf4 19. Kb1 d5 20. Nf1 c5 21. Ng3 Kh8 22. Rg1 Qe5 23. Qxe5 Bxe5 24. Kc1 Bxg3 25. Rxg3) 19. Kb1 a5?! { (-5.59 → -4.85) Inaccuracy. Best move was Kh8. } (19... Kh8 20. Rh1 Be5 21. Nf3 Qf5 22. Ka2 Rb8 23. Rh4 Bd6 24. Nd2 Qg5 25. Rh1 Bb4 26. Nb1) 20. Ka2? { (-4.85 → -5.99) Mistake. Best move was Ne4. } (20. Ne4) 20... Rb8? { (-5.99 → -4.83) Mistake. Best move was d5. } (20... d5) 21. Kxa3?? { (-4.83 → -17.74) Blunder. Best move was Ne4. } (21. Ne4 Qb5) 21... Bd6+?? { (-17.74 → -6.54) Blunder. Best move was Qc5+. } (21... Qc5+) 22. Kb2 a4 23. Ka2?? { (-6.07 → -10.13) Blunder. Best move was Qg4. } (23. Qg4 Kh8) 23... axb3+ 24. cxb3 Ra8+ 25. Kb2 Be5+ 26. Kc2 Ra2+ 27. Kb1?! { (-16.65 → Mate in 8) Checkmate is now unavoidable. Best move was Kc1. } (27. Kc1) 27... Rb2+ 28. Kc1 Ra8 29. Bxf7+ Kxf7 30. d4 Bxd4 31. Qd3 Ra1+ 32. Qb1 Rbxb1+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Raxb1#. } (32... Raxb1#) 33. Kc2 Rxd1?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qf5+. } (33... Qf5+ 34. Ne4 Qxe4+ 35. Rd3 Rb2#) 34. Nf1 Rxf1?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Qf5#. } (34... Qf5#) 35. f4 Qxf4?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qf5+. } (35... Qf5+ 36. Kd2 Ra2#) 36. b4 Qf3 37. b5 Ra2# { Black wins by checkmate. } 0-1