lichess dev

[Event "Academie22 Arena"] [Site "http://chess-academy.net/Lz73gxpI"] [Date "2025.07.31"] [Round "-"] [White "Ethan-2014"] [Black "Purple3004"] [Result "0-1"] [UTCDate "2025.07.31"] [UTCTime "15:31:45"] [WhiteElo "1643"] [BlackElo "1368"] [WhiteRatingDiff "-77"] [BlackRatingDiff "+60"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Clemenz Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. h3 { A00 Clemenz Opening } e5 2. b3?! { (0.03 → -0.83) Inaccuracy. Best move was e4. } (2. e4 Nf6 3. Nf3 Nxe4 4. d3 Nf6 5. Nxe5 Qe7 6. Qe2 Nc6) 2... Bc5? { (-0.83 → 0.50) Mistake. Best move was d5. } (2... d5) 3. g3?! { (0.50 → -0.28) Inaccuracy. Best move was Bb2. } (3. Bb2) 3... d5 4. f3?? { (0.10 → -3.66) Blunder. Best move was e3. } (4. e3 Nf6 5. Ne2 c6 6. Bg2 O-O 7. O-O Re8 8. d4 Bd6 9. Bb2 e4 10. c4 Na6) 4... Bf5? { (-3.66 → -1.51) Mistake. Best move was Qg5. } (4... Qg5 5. e3) 5. e3 Nf6? { (-2.35 → -1.02) Mistake. Best move was Nc6. } (5... Nc6) 6. d3 O-O 7. c3? { (-1.06 → -3.04) Mistake. Best move was Ne2. } (7. Ne2 c6 8. Bg2 Qe7 9. O-O h6 10. Nbc3 Na6 11. a3 Rfe8 12. b4 Bb6 13. Bd2 Bd7) 7... Nc6? { (-3.04 → -1.68) Mistake. Best move was d4. } (7... d4 8. b4 Bb6 9. a4 a5 10. cxd4 Nc6 11. bxa5 Bxa5+ 12. Kf2 Nxd4 13. Bb2 Nc6 14. Nd2) 8. Na3? { (-1.68 → -3.36) Mistake. Best move was b4. } (8. b4 Bd6 9. Ne2 Ne7 10. Bg2 a5 11. b5 Bd7 12. a4 c6 13. bxc6 Bxc6 14. O-O Re8) 8... b5? { (-3.36 → -1.28) Mistake. Best move was e4. } (8... e4 9. dxe4 Nxe4 10. fxe4 Bxe4 11. Nf3 Qd6 12. Kf2 Bxa3 13. Bxa3 Qxa3 14. Bd3 Qb2+ 15. Qe2) 9. Nxb5? { (-1.28 → -2.51) Mistake. Best move was Nc2. } (9. Nc2 a5 10. g4 Bg6 11. h4 h5 12. g5 Nd7 13. d4 exd4 14. Nxd4 Nxd4 15. cxd4 Bb4+) 9... Rb8? { (-2.51 → -1.23) Mistake. Best move was d4. } (9... d4 10. cxd4) 10. Nxa7?? { (-1.23 → -4.99) Blunder. Best move was d4. } (10. d4 Be7) 10... Nxa7? { (-4.99 → -3.27) Mistake. Best move was Bxa7. } (10... Bxa7 11. d4 Re8 12. Kf2 Nh5 13. Ne2 exd4 14. exd4 Ne5 15. Nf4 Nxf4 16. Bxf4 Nxf3 17. Bd3) 11. Ba3?? { (-3.27 → -9.21) Blunder. Best move was Ne2. } (11. Ne2 Nc6) 11... Bxa3 12. Qc2?! { (-8.90 → -9.55) Inaccuracy. Best move was Kf2. } (12. Kf2 Bb2 13. Rb1 Bxc3 14. Ne2 Bb4 15. Rc1 c5 16. Kg1 Qa5 17. g4 Be6 18. Rc2 Nb5) 12... e4 13. dxe4?! { (-9.48 → -11.22) Inaccuracy. Best move was g4. } (13. g4 Bg6 14. Qd2 Bd6 15. dxe4 Nxe4 16. fxe4 Bxe4 17. Bg2 Bg3+ 18. Kd1 Qf6 19. Ne2 Bxg2) 13... dxe4?! { (-11.22 → -9.28) Inaccuracy. Best move was Nxe4. } (13... Nxe4) 14. fxe4?! { (-9.28 → -14.76) Inaccuracy. Best move was Rd1. } (14. Rd1) 14... Bxe4 15. Qd1 Nd5 16. Qg4 Bxh1 17. Bg2 Bxg2 18. Qe2 Nxe3 19. Qxe3?! { (-31.81 → Mate in 9) Checkmate is now unavoidable. Best move was Rd1. } (19. Rd1 Qxd1+) 19... Re8 20. Qxe8+ Qxe8+ 21. Kd1 Qb5?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Rd8+. } (21... Rd8+ 22. Kc2 Be4#) 22. Kc2 Qf5+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rd8. } (22... Rd8 23. b4 Qa4+ 24. Kb1 Be4#) 23. Kd1 Qf1+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rd8+. } (23... Rd8+ 24. Ke2 Qe4+ 25. Kf2 Bc5#) 24. Kd2 Qxa1?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Rd8+. } (24... Rd8+ 25. Ke3 Bc5#) 25. Kc2 Qxa2+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Rd8. } (25... Rd8 26. b4 Qxa2#) 26. Kd1 Qa1+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Rd8+. } (26... Rd8+ 27. Ke1 Qd2#) 27. Kd2 Qxg1?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rd8+. } (27... Rd8+ 28. Ke3 Qf1 29. Ne2 Qf3#) 28. Ke2 Qf1+ 29. Kd2 Bc1+ 30. Kc2 Qe2+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Be4#. } (30... Be4#) 31. Kb1 Qb2# { Black wins by checkmate. } 0-1