lichess dev

[Event "Ariadna Arena"] [Site "http://chess-academy.net/KWWIE4N3"] [Date "2025.02.27"] [Round "-"] [White "Katherina"] [Black "MATEI11"] [Result "1-0"] [UTCDate "2025.02.27"] [UTCTime "17:18:01"] [WhiteElo "1587"] [BlackElo "1592"] [WhiteRatingDiff "+61"] [BlackRatingDiff "-140"] [Variant "Chess960"] [TimeControl "360+6"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "nbrqknbr/pppppppp/8/8/8/8/PPPPPPPP/NBRQKNBR w KQkq - 0 1"] [SetUp "1"] [Annotator "chess-academy.net"] 1. c4 Nb6? { (0.13 → 1.38) Mistake. Best move was c6. } (1... c6 2. Nb3 Nb6 3. Nc5 Rc7 4. Ne3 d6 5. Nb3 h5 6. h4 c5 7. Nd5 Nxd5 8. cxd5) 2. c5 Na4?? { (0.92 → 4.96) Blunder. Best move was Nd5. } (2... Nd5) 3. b3? { (4.96 → 2.19) Mistake. Best move was Qxa4. } (3. Qxa4 c6 4. h4 h5 5. Nb3 Bh7 6. Bxh7 Nxh7 7. Bh2 e5 8. Ne3 g6 9. Qb4 O-O) 3... Nb6? { (2.19 → 3.61) Mistake. Best move was Nxc5. } (3... Nxc5 4. Rxc5 d5 5. b4 c6 6. Nb3 h5 7. Rc1 e5 8. Bf5 Rc7 9. Nc5 g6 10. Bb1) 4. cxb6 cxb6 5. Rxc8 Qxc8 6. Bf5? { (3.79 → 2.60) Mistake. Best move was h3. } (6. h3) 6... Qc5?! { (2.60 → 3.38) Inaccuracy. Best move was e6. } (6... e6 7. Bd3) 7. g4? { (3.38 → 2.25) Mistake. Best move was Qc2. } (7. Qc2) 7... b5? { (2.25 → 3.68) Mistake. Best move was e6. } (7... e6) 8. b4? { (3.68 → 2.11) Mistake. Best move was f3. } (8. f3 Qc7) 8... Qxb4 9. Qc1?! { (2.38 → 1.79) Inaccuracy. Best move was h4. } (9. h4 f6 10. Nb3 g6 11. Bb1 h5 12. Qc2 Qc4 13. gxh5 Bf7 14. hxg6 Nxg6 15. Ne3 Qxc2) 9... Qd6?? { (1.79 → Mate in 1) Checkmate is now unavoidable. Best move was Qc4. } (9... Qc4 10. Qb1) 10. e4?? { (Mate in 1 → -0.13) Lost forced checkmate sequence. Best move was Qc8#. } (10. Qc8#) 10... Qe5?? { (-0.13 → Mate in 1) Checkmate is now unavoidable. Best move was Qc6. } (10... Qc6 11. Qxc6 bxc6 12. g5 h6 13. gxh6 g6 14. Bh3 Rxh6 15. Bg2 f6 16. Nb3 a5 17. h4) 11. d3?? { (Mate in 1 → 0.21) Lost forced checkmate sequence. Best move was Qc8#. } (11. Qc8#) 11... Qd6?? { (0.21 → Mate in 1) Checkmate is now unavoidable. Best move was Qc7. } (11... Qc7 12. Qxc7) 12. Qd2?? { (Mate in 1 → -0.36) Lost forced checkmate sequence. Best move was Qc8#. } (12. Qc8#) 12... b4? { (-0.36 → 1.50) Mistake. Best move was g6. } (12... g6 13. h4 gxf5 14. gxf5 Qa3 15. Qc2 Kd8 16. Nd2 f6 17. Nab3 Bxb3 18. Nxb3 b6 19. Bh2) 13. h4 a5? { (1.45 → 2.46) Mistake. Best move was Qc6. } (13... Qc6) 14. Qe2? { (2.46 → -0.47) Mistake. Best move was Bh2. } (14. Bh2 e5) 14... a4? { (-0.47 → 1.79) Mistake. Best move was f6. } (14... f6 15. Bh2) 15. e5?? { (1.79 → -2.56) Blunder. Best move was Bh2. } (15. Bh2 Qd4) 15... Qc7? { (-2.56 → 0.00) Mistake. Best move was Qc6. } (15... Qc6 16. Bh2 g6 17. Qc2 gxf5 18. gxf5 e6 19. f6 h5 20. Qxc6 dxc6 21. Nd2 c5 22. Ke2) 16. Rh2?? { (0.00 → -5.58) Blunder. Best move was Nc2. } (16. Nc2 b3 17. axb3 axb3 18. Nce3 g6 19. Be4 Qc1+ 20. Nd1 Bxe5 21. d4 Bxd4 22. Qd2 Qa1) 16... Qc1+?? { (-5.58 → -1.83) Blunder. Best move was Qc3+. } (16... Qc3+) 17. Qd1 Qc8?? { (-2.31 → 2.92) Blunder. Best move was Qc3+. } (17... Qc3+ 18. Ke2 f6 19. exf6 gxf6 20. Nd2 Bxa2 21. Qxa4 Qxa1 22. Qa8 Qxg1 23. Rh3 Rg8 24. Qxb8+) 18. Qxa4?? { (2.92 → -0.80) Blunder. Best move was f4. } (18. f4) 18... Qc5?? { (-0.80 → 4.96) Blunder. Best move was Qc3+. } (18... Qc3+) 19. Qa8?? { (4.96 → 1.93) Blunder. Best move was f4. } (19. f4 Qc1+) 19... Qb6?? { (1.93 → 11.22) Blunder. Best move was Qxe5+. } (19... Qxe5+ 20. Ne3) 20. Qxb8+ Qd8 21. Qxd8+?! { (10.42 → 9.13) Inaccuracy. Best move was Qxb7. } (21. Qxb7) 21... Kxd8 22. f4?! { (9.49 → 8.84) Inaccuracy. Best move was Nc2. } (22. Nc2 b3 23. axb3 f6 24. exf6 gxf6 25. Nd2 Be6 26. h5 Bxf5 27. gxf5 e6 28. Ne3 exf5) 22... b5? { (8.84 → 10.11) Mistake. Best move was h5. } (22... h5 23. gxh5 Rxh5 24. Ng3 Rh8 25. Nc2 b3 26. axb3 f6 27. Nd4 Bd5 28. Be3 Ne6 29. Be4) 23. Bb6+ Kc8 24. Rc2+ Kb7 25. Bc7 Ng6 26. Bxg6 fxg6 27. Ba5 Ka6 28. Bxb4 Kb6 29. Bc5+ Ka5 30. Bxe7 Ka4 31. d4 h6 32. g5 Bh7 33. gxh6 Rb8 34. hxg7 Bg8 35. a3 Bb3 36. Nxb3 Rb6?! { (35.44 → Mate in 5) Checkmate is now unavoidable. Best move was Rg8. } (36... Rg8 37. Nc5+) 37. Rb2?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Nc5+. } (37. Nc5+ Kxa3 38. g8=Q Re6 39. Qa8+ Kb4 40. Nd3+ Kb3 41. Qa2#) 37... Ra6 38. g8=Q?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bb4. } (38. Bb4 d6 39. g8=B Ra5 40. Nc5+ dxc5 41. Bb3#) 38... d5 39. exd6?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Bb4. } (39. Bb4 Rc6 40. Qa8+ Ra6 41. Qxa6#) 39... Rc6 40. d7?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qa8+. } (40. Qa8+ Ra6 41. Qxa6#) 40... Rc1+ 41. Kf2?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Nxc1. } (41. Nxc1 b4 42. Rxb4+ Kxa3 43. Qb3#) 41... Rc7 42. d8=Q?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qa8+. } (42. Qa8+ Ra7 43. Qxa7#) 42... Rc1 43. Qa8# { White wins by checkmate. } 1-0