[Event "Monthly UltraBullet Arena"]
[Site "http://chess-academy.net/VLpEDHKr"]
[Date "2025.11.02"]
[Round "-"]
[White "Yoshi"]
[Black "Stockfish17NNUE"]
[Result "0-1"]
[UTCDate "2025.11.02"]
[UTCTime "15:18:54"]
[WhiteElo "1559"]
[BlackElo "1820"]
[WhiteRatingDiff "-43"]
[BlackRatingDiff "+32"]
[Variant "Standard"]
[TimeControl "15+0"]
[ECO "A43"]
[Opening "Old Benoni Defense"]
[Termination "Time forfeit"]
[Annotator "chess-academy.net"]

1. d4 { [%eval 0.15] [%clk 0:00:08] } 1... c5?! { (0.15 → 0.92) Inaccuracy. Best move was d5. } { [%eval 0.92] [%clk 0:00:08] } { A43 Old Benoni Defense } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. Bf4? { (0.92 → -0.70) Mistake. Best move was d5. } { [%eval -0.7] [%clk 0:00:08] } (2. d5 Nf6) 2... cxd4 { [%eval -0.21] [%clk 0:00:08] } 3. Bg3? { (-0.21 → -1.66) Mistake. Best move was c3. } { [%eval -1.66] [%clk 0:00:07] } (3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. e4 e5 7. Be3 Nf6 8. Bc4 Be7 9. O-O O-O) 3... Nf6?! { (-1.66 → -0.69) Inaccuracy. Best move was Qb6. } { [%eval -0.69] [%clk 0:00:08] } (3... Qb6) 4. Qxd4?! { (-0.69 → -1.19) Inaccuracy. Best move was Nf3. } { [%eval -1.19] [%clk 0:00:07] } (4. Nf3) 4... d5?! { (-1.19 → -0.62) Inaccuracy. Best move was Nc6. } { [%eval -0.62] [%clk 0:00:08] } (4... Nc6) 5. Qd1 { [%eval -1.1] [%clk 0:00:06] } 5... Nc6?! { (-1.10 → -0.60) Inaccuracy. Best move was Qb6. } { [%eval -0.6] [%clk 0:00:07] } (5... Qb6 6. Nd2 Qxb2 7. e3 e6 8. Ngf3 Be7 9. c4 O-O 10. cxd5 Nxd5 11. Qc1 Qxc1+ 12. Rxc1) 6. e3?! { (-0.60 → -1.49) Inaccuracy. Best move was Nf3. } { [%eval -1.49] [%clk 0:00:06] } (6. Nf3) 6... e6?! { (-1.49 → -0.59) Inaccuracy. Best move was h5. } { [%eval -0.59] [%clk 0:00:07] } (6... h5 7. Nf3) 7. c3?! { (-0.59 → -1.46) Inaccuracy. Best move was Nd2. } { [%eval -1.46] [%clk 0:00:06] } (7. Nd2 Be7) 7... Bb4?? { (-1.46 → 4.22) Blunder. Best move was Bd6. } { [%eval 4.22] [%clk 0:00:07] } (7... Bd6 8. Nf3 O-O 9. Bxd6 Qxd6 10. c4 Qb4+ 11. Qd2 Qc5 12. Nc3 dxc4 13. O-O-O b5 14. Qd6) 8. cxb4 { [%eval 3.69] [%clk 0:00:05] } 8... Ne4?! { (3.69 → 4.61) Inaccuracy. Best move was Nxb4. } { [%eval 4.61] [%clk 0:00:07] } (8... Nxb4 9. Nc3) 9. Nc3?! { (4.61 → 4.11) Inaccuracy. Best move was b5. } { [%eval 4.11] [%clk 0:00:05] } (9. b5) 9... Nxg3 { [%eval 4.5] [%clk 0:00:07] } 10. hxg3 { [%eval 4.18] [%clk 0:00:05] } 10... Nxb4 { [%eval 4.38] [%clk 0:00:07] } 11. Bd3?! { (4.38 → 3.74) Inaccuracy. Best move was Nf3. } { [%eval 3.74] [%clk 0:00:04] } (11. Nf3 h6) 11... Nc2+?? { (3.74 → 9.36) Blunder. Best move was Bd7. } { [%eval 9.36] [%clk 0:00:07] } (11... Bd7 12. Rxh7 Rxh7 13. Bxh7 Qb6 14. Qd2 O-O-O 15. O-O-O g6 16. Nf3 Qc7 17. a3 Na2+ 18. Kb1) 12. Qxc2?! { (9.36 → 8.64) Inaccuracy. Best move was Bxc2. } { [%eval 8.64] [%clk 0:00:04] } (12. Bxc2 Qf6 13. Bxh7 Bd7 14. Qg4 b5 15. Nf3 a5 16. O-O-O O-O-O 17. Bd3 b4 18. Rxh8 Rxh8) 12... O-O? { (8.64 → Mate in 4) Checkmate is now unavoidable. Best move was h6. } { [%eval #4] [%clk 0:00:07] } (12... h6) 13. Qd1? { (Mate in 4 → 8.54) Lost forced checkmate sequence. Best move was Bxh7+. } { [%eval 8.54] [%clk 0:00:03] } (13. Bxh7+ Kh8 14. Bg8+ Qh4 15. Rxh4+ Kxg8 16. Qh7#) 13... Kh8? { (8.54 → Mate in 4) Checkmate is now unavoidable. Best move was g6. } { [%eval #4] [%clk 0:00:07] } (13... g6 14. Qd2) 14. Bb1? { (Mate in 4 → 9.27) Lost forced checkmate sequence. Best move was Rxh7+. } { [%eval 9.27] [%clk 0:00:02] } (14. Rxh7+ Kg8 15. Rh8+ Kxh8 16. Qh5+ Kg8 17. Qh7#) 14... f5 { [%eval 9.73] [%clk 0:00:06] } 15. Qc2?! { (9.73 → 8.96) Inaccuracy. Best move was Nf3. } { [%eval 8.96] [%clk 0:00:02] } (15. Nf3 Qb6 16. Qd2 d4 17. exd4 a6 18. Bd3 Qd6 19. O-O-O Kg8 20. Rh4 b5 21. Rdh1 h6) 15... g6 { [%eval 9.21] [%clk 0:00:06] } 16. g4 { [%eval 9.05] [%clk 0:00:01] } 16... Qf6?! { (9.05 → 9.60) Inaccuracy. Best move was Rg8. } { [%eval 9.6] [%clk 0:00:06] } (16... Rg8 17. Nge2 Rg7 18. gxf5 gxf5 19. Qd2 e5 20. e4 d4 21. exf5 Qa5 22. f6 Rf7 23. Qh6) 17. gxf5 { [%eval 9.32] [%clk 0:00:01] } 17... exf5?! { (9.32 → 10.16) Inaccuracy. Best move was Qxf5. } { [%eval 10.16] [%clk 0:00:06] } (17... Qxf5 18. Nf3) 18. Qxf5?? { (10.16 → -5.63) Blunder. Best move was Nxd5. } { [%eval -5.63] [%clk 0:00:00] } (18. Nxd5 Qg7 19. Nf4 Bd7 20. Nf3 Rac8 21. Qd2 Rf6 22. Ng5 h5 23. Bc2 Rb6 24. Nxg6+ Qxg6) 18... Qxf5?? { (-5.63 → 6.51) Blunder. Best move was Bxf5. } { [%eval 6.51] [%clk 0:00:05] } (18... Bxf5) 19. Bxf5 { [%eval 6.5] [%clk 0:00:00] } 19... Bxf5 { [%eval 6.42] [%clk 0:00:05] } 20. g4? { (6.42 → 4.28) Mistake. Best move was Nge2. } { [%eval 4.28] [%clk 0:00:00] } (20. Nge2 Be6) 20... Be4? { (4.28 → 6.31) Mistake. Best move was Bxg4. } { [%eval 6.31] [%clk 0:00:05] } { Black wins on time. } (20... Bxg4 21. Nge2 Kg7 22. Nd4 Rf7 23. Nxd5 Raf8 24. Rh2 Rd7 25. Nb4 Re8 26. Kd2 Be6 27. Nd3) 0-1


