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[Event "Antichess Arena"] [Site "http://chess-academy.net/aQuMMLrC"] [Date "2025.03.01"] [Round "-"] [White "Katherina"] [Black "Ariadna"] [Result "1-0"] [UTCDate "2025.03.01"] [UTCTime "12:50:10"] [WhiteElo "1577"] [BlackElo "1609"] [WhiteRatingDiff "+60"] [BlackRatingDiff "-57"] [Variant "Antichess"] [TimeControl "420+2"] [ECO "?"] [Opening "?"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4?? { (0.15 → Mate in 16) Checkmate is now unavoidable. Best move was e3. } (1. e3 b5) 1... f5?? { (Mate in 16 → -3.23) Lost forced checkmate sequence. Best move was b5. } (1... b5 2. Bxb5 d5 3. Bxe8 dxe4 4. Bxf7 Qxd2 5. Nxd2 e5 6. Nxe4 Bc5 7. Nxc5 Bb7 8. Nxb7) 2. exf5 g6?? { (-3.66 → 18.27) Blunder. Best move was b5. } (2... b5) 3. fxg6 hxg6 4. Qh5 gxh5 5. Ba6 bxa6 6. g4?? { (11.88 → 6.27) Blunder. Best move was h4. } (6. h4 Kf7) 6... hxg4 7. Nh3?? { (9.33 → 5.80) Blunder. Best move was Nf3. } (7. Nf3) 7... gxh3?? { (5.80 → Mate in 12) Checkmate is now unavoidable. Best move was Rxh3. } (7... Rxh3) 8. Rg1?? { (Mate in 12 → -0.56) Lost forced checkmate sequence. Best move was Kf1. } (8. Kf1 Nh6 9. Kg2 hxg2 10. f4 gxh1=Q 11. f5 Qxc1 12. Na3 Qxb2 13. Rg1 Qxa2 14. Nc4 Nxf5) 8... Rh7?? { (-0.56 → 2.52) Blunder. Best move was Rh5. } (8... Rh5 9. Rxg8) 9. Rxg8 Rg7?? { (1.94 → Mate in 9) Checkmate is now unavoidable. Best move was Rf7. } (9... Rf7) 10. Rxf8?? { (Mate in 9 → 1.27) Lost forced checkmate sequence. Best move was Rxg7. } (10. Rxg7 Bxg7 11. b4 Bxa1 12. Bb2 Bxb2 13. Na3 Bxa3 14. d3 Bxb4 15. d4 Bxe1 16. a4 Bxf2) 10... Kxf8 11. d4?? { (1.97 → Mate in 11) Checkmate is now unavoidable. Best move was a4. } (11. a4 Rg6) 11... c5?? { (Mate in 11 → 1.53) Lost forced checkmate sequence. Best move was Rg5. } (11... Rg5 12. Bxg5 e6 13. Bxd8 a5 14. Bxc7 Na6 15. Bxa5 Nc7 16. Bxc7 Rb8 17. Bxb8 Ba6 18. Bxa7) 12. dxc5 Rg3?? { (-0.43 → 3.78) Blunder. Best move was Qa5. } (12... Qa5) 13. hxg3 Qb6?? { (2.57 → 6.28) Blunder. Best move was Qa5. } (13... Qa5 14. a3) 14. cxb6 axb6 15. Kf1? { (5.48 → 4.41) Mistake. Best move was g4. } (15. g4 Kf7) 15... Kg7?? { (4.41 → Mate in 10) Checkmate is now unavoidable. Best move was Kf7. } (15... Kf7 16. g4) 16. Kg2 hxg2 17. Bh6 Kxh6 18. f4?? { (Mate in 9 → -6.35) Lost forced checkmate sequence. Best move was Na3. } (18. Na3 g1=Q 19. Rxg1 a5 20. b4 axb4 21. Nb5 Rxa2 22. c4 Rxf2 23. c5 bxc5 24. Rg2 Rxg2) 18... e5 19. fxe5 d6 20. exd6 Kg6?? { (-2.61 → Mate in 9) Checkmate is now unavoidable. Best move was Bb7. } (20... Bb7 21. a4) 21. d7 Bxd7 22. g4?? { (Mate in 8 → Mate in 12) Lost forced checkmate sequence. Best move was Na3. } (22. Na3 g1=Q 23. Rxg1 Ba4 24. Nb5 Bxb5 25. Rf1 Bxf1 26. c4 Bxc4 27. g4 Bxa2 28. b3 Bxb3) 22... Bxg4 23. a3 Kf6 24. c3 a5?? { (Mate in 9 → Mate in 4) Lost forced checkmate sequence. Best move was Nc6. } (24... Nc6 25. b3 Bf5 26. c4 Bxb1 27. Rxb1 g1=Q 28. Rxg1 Kg6 29. Rxg6 Rf8 30. Rxc6 a5 31. Rxb6) 25. b4 axb4 26. axb4 Rxa1 27. c4?? { (Mate in 2 → Mate in 10) Lost forced checkmate sequence. Best move was Na3. } (27. Na3 Rxa3 28. b5 Rxc3#) 27... Rxb1 28. c5 bxc5 29. bxc5 Rb6 30. cxb6 Nc6?? { (Mate in 7 → 0.04) Lost forced checkmate sequence. Best move was g1=Q. } (30... g1=Q 31. b7 Bc8 32. bxc8=K Nd7 33. Kxd7 Ke7 34. Kxe7 Qg2 35. Ke8 Qg3 36. Kd8 Qc7 37. Kxc7#) 31. b7 Bc8 32. bxc8=N?? { (0.04 → Mate in 4) Checkmate is now unavoidable. Best move was bxc8=B. } (32. bxc8=B Kf5 33. Bxf5 g1=B 34. Bd7 Bd4 35. Bxc6 Bf6 36. Bd5 Ba1 37. Bc4 Be5 38. Bf1 Bf6) 32... Na7 33. Nxa7 g1=B?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was g1=Q. } (33... g1=Q 34. Nc8 Ke7 35. Nxe7 Qg6 36. Nxg6#) 34. Nb5 Kf5?? { (Mate in 2 → Mate in 1) Lost forced checkmate sequence. Best move was Bd4. } (34... Bd4 35. Nxd4 Kf5 36. Nxf5#) 35. Nd4 Bxd4# { Game ends by variant rule. } 1-0