[Event "Hourly Three-check Arena"] [Site "https://adjva4.dpdns.org/HDQF4IOW"] [Date "2026.05.01"] [Round "-"] [White "RomanRu28"] [Black "Bora222"] [Result "0-1"] [GameId "HDQF4IOW"] [UTCDate "2026.05.01"] [UTCTime "17:34:52"] [WhiteElo "1677"] [BlackElo "1763"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+20"] [Variant "Three-check"] [TimeControl "30+0"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Time forfeit"] [Annotator "adjva4.dpdns.org"] 1. Nf3 { [%eval 0.11] } 1... Nc6?? { (0.11 → 2.56) Blunder. e5 was best. } { [%eval 2.56] } { A04 Zukertort Opening: Black Mustang Defense } (1... e5 2. Nc3 Nf6 3. Nxe5 Nc6 4. d4 Bb4 5. Bd2 O-O 6. e3) 2. e3?? { (2.56 → -0.62) Blunder. e4 was best. } { [%eval -0.62] } (2. e4 Nf6 3. Nc3 e6 4. Bb5 Nd4 5. Nxd4 Bc5 6. e5 Bxd4) 2... Nb4?? { (-0.62 → 3.34) Blunder. e5 was best. } { [%eval 3.34] } (2... e5 3. Nc3 Nf6 4. Nd5 Nxd5 5. Bc4 Ncb4 6. O-O e4 7. Nd4) 3. Ke2?? { (3.34 → -2.20) Blunder. c3 was best. } { [%eval -2.2] } (3. c3 Nc6 4. d4 d5 5. e4 a6 6. Bd3 e6 7. e5 h6 8. O-O Nge7) 3... Nxc2?? { (-2.20 → 3.18) Blunder. e5 was best. } { [%eval 3.18] } (3... e5 4. Ke1 Nc6 5. c4 e4 6. Nc3 exf3 7. Qxf3 Nf6 8. Ne4 Ne5 9. Nxf6+) 4. Qxc2 { [%eval 3.05] } 4... Nf6 { [%eval 3.18] } 5. Ke1 { [%eval 3.08] } 5... b6?? { (3.08 → 9.93) Blunder. c6 was best. } { [%eval 9.93] } (5... c6 6. Nc3) 6. Be2?? { (9.93 → 3.00) Blunder. Ne5 was best. } { [%eval 3.0] } (6. Ne5 e6) 6... d6?? { (3.00 → Mate in 4) Checkmate is now unavoidable. e6 was best. } { [%eval #4] } (6... e6 7. Nc3) 7. Kf1?? { (Mate in 4 → 4.38) Lost forced checkmate sequence. Bb5+ was best. } { [%eval 4.38] } (7. Bb5+ Nd7 8. Qc6 g6 9. Qxd7+ Bxd7 10. Bxd7#) 7... Bd7 { [%eval 4.38] } 8. Kg1 { [%eval 4.15] } 8... e6 { [%eval 4.3] } 9. Bc4?! { (4.30 → 2.98) Inaccuracy. d4 was best. } { [%eval 2.98] } (9. d4 Rc8 10. Nc3 c5 11. e4 cxd4 12. Nxd4 Rc5 13. Bf4 Be7) 9... d5 { [%eval 3.01] } 10. Bb3?! { (3.01 → 1.82) Inaccuracy. Be2 was best. } { [%eval 1.82] } (10. Be2) 10... Bc5? { (1.82 → 3.46) Mistake. c5 was best. } { [%eval 3.46] } (10... c5 11. d3) 11. Ba4?! { (3.46 → 2.23) Inaccuracy. Nc3 was best. } { [%eval 2.23] } (11. Nc3 a5 12. d4 Bb4 13. a4 O-O 14. Ne5 c5 15. Qe2 Bxc3 16. bxc3 Ne4) 11... c6?! { (2.23 → 3.46) Inaccuracy. O-O was best. } { [%eval 3.46] } (11... O-O 12. Bxd7 Qxd7 13. Ne5 Qe7 14. d4 Bd6 15. Nc6 Qe8 16. Nd2 e5 17. dxe5) 12. b4?! { (3.46 → 2.54) Inaccuracy. d4 was best. } { [%eval 2.54] } (12. d4 Bd6 13. Bxc6 O-O 14. Bxa8 Qxa8 15. Ne5 Bxe5 16. dxe5 Ng4 17. Qe2 Nxe5) 12... Bd6 { [%eval 2.91] } 13. a3? { (2.91 → 1.42) Mistake. Bxc6 was best. } { [%eval 1.42] } (13. Bxc6 O-O) 13... Qc7 { [%eval 1.46] } 14. Kf1?? { (1.46 → -0.29) Blunder. Bb2 was best. } { [%eval -0.29] } (14. Bb2 e5 15. d4 e4 16. Ne5 b5 17. Bb3 a5 18. bxa5 O-O 19. Nc3 Bxe5) 14... b5 { [%eval -0.15] } 15. Bb3 { [%eval -0.3] } 15... c5?? { (-0.30 → 2.46) Blunder. a5 was best. } { [%eval 2.46] } (15... a5) 16. bxc5 { [%eval 2.36] } 16... Qxc5 { [%eval 2.4] } 17. Qxc5 { [%eval 2.3] } 17... Bxc5 { [%eval 2.56] } 18. Nc3 { [%eval 1.92] } 18... b4? { (1.92 → 3.35) Mistake. O-O was best. } { [%eval 3.35] } (18... O-O 19. Bb2) 19. Nxd5?? { (3.35 → -2.45) Blunder. axb4 was best. } { [%eval -2.45] } (19. axb4 Bxb4) 19... exd5? { (-2.45 → -1.14) Mistake. Bb5+ was best. } { [%eval -1.14] } (19... Bb5+ 20. Kg1) 20. Bxd5?? { (-1.14 → -7.71) Blunder. Kg1 was best. } { [%eval -7.71] } (20. Kg1) 20... Bb5+ { [%eval -7.98] } 21. d3? { (-7.98 → Mate in 5) Checkmate is now unavoidable. Kg1 was best. } { [%eval #-5] } (21. Kg1 Nxd5) 21... Nxd5?! { (Mate in 5 → -23.03) Lost forced checkmate sequence. Bxd3+ was best. } { [%eval -23.03] } (21... Bxd3+ 22. Ke1 Nxd5 23. Nd4 Bxd4 24. Bd2 Nf4 25. exf4 Bxf2#) 22. Ke1 { [%eval -41.31] } 22... Nxe3 { [%eval -24.6] } 23. fxe3 { [%eval -27.11] } 23... O-O { [%eval -23.6] } { Black wins on time. } 0-1