MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "277"]
[White "Heimdall-dev"]
[Black "Heimdall-base"]
[Result "0-1"]
[EngineWhiteName "Heimdall dev (unknown at unknown)"]
[EngineWhiteAuthor "Nocturn9x (see LICENSE)"]
[EngineBlackName "Heimdall dev (unknown at unknown)"]
[EngineBlackAuthor "Nocturn9x (see LICENSE)"]
[SetUp "1"]
[FEN "rnbqkbnr/pp1ppp2/2p5/6p1/PP5p/2N4P/2PPPPP1/R1BQKBNR w KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T10:41:58 -0400"]
[GameEndTime "2026-09-14T10:41:59 -0400"]
[PlyCount "47"]
[Termination "illegal move"]
[TimeControl "-"]

5. Nf3 {+0.78/9 0.026s, n=23965, sd=14} d5 {-0.96/9 0.012s, n=14786, sd=16}
6. d4 {+1.23/9 0.012s, n=13220, sd=14} e5 {-0.50/11 0.039s, n=38859, sd=19}
7. Bxg5 {+0.14/9 0.016s, n=20516, sd=16} f6 {-0.76/10 0.017s, n=15662, sd=14}
8. Bd2 {+0.85/11 0.026s, n=21065, sd=16} e4 {-0.86/10 0.022s, n=20045, sd=15}
9. Ng1 {+0.83/11 0.011s, n=13984, sd=14} Bd6 {-0.78/10 0.017s, n=15380, sd=15}
10. e3 {+0.79/10 0.014s, n=16454, sd=13} Ne7 {-0.70/9 0.018s, n=18049, sd=13}
11. a5 {+0.44/9 0.044s, n=38204, sd=17} f5 {-0.73/10 0.030s, n=24693, sd=13}
12. Nge2 {+0.59/8 0.011s, n=14028, sd=12} Nd7 {-0.42/10 0.018s, n=17467, sd=15}
13. Nf4 {+0.38/9 0.015s, n=12560, sd=12} Nf6 {-0.38/10 0.019s, n=15976, sd=14}
14. b5 {+0.38/9 0.019s, n=16011, sd=13} Kf7 {-0.31/9 0.017s, n=22819, sd=16}
15. Na4 {+0.23/9 0.013s, n=14685, sd=13} b6 {-0.21/9 0.015s, n=13979, sd=12}
16. Be2 {+0.12/9 0.016s, n=17974, sd=15} Bxf4 {-0.30/9 0.014s, n=17827, sd=16}
17. exf4 {+0.64/10 0.015s, n=17841, sd=15} cxb5 {-0.49/9 0.028s, n=30434, sd=16}
18. Bxb5 {+0.47/10 0.023s, n=28280, sd=17} Bd7 {-0.29/9 0.025s, n=24355, sd=19}
19. Be2 {+0.58/10 0.021s, n=19386, sd=15} Ng6 {-0.68/10 0.016s, n=14368, sd=16}
20. Nc3 {+0.73/9 0.011s, n=14665, sd=11} Qc7 {-0.46/9 0.010s, n=12923, sd=14}
21. Qc1 {+0.57/10 0.014s, n=14717, sd=16} Nxf4 {-0.54/9 0.025s, n=23127, sd=14}
22. Bxf4 {+0.93/10 0.009s, n=12220, sd=17}
Qxc3+ {-0.76/11 0.013s, n=16750, sd=16} 23. Bd2 {+1.09/9 0.011s, n=13828, sd=17}
Qxd4 {-1.02/11 0.028s, n=38435, sd=20} 24. c3 {+0.80/11 0.011s, n=19333, sd=15}
Qc5 {-1.08/11 0.014s, n=15346, sd=15} 25. Be3 {+1.07/10 0.009s, n=14020, sd=11}
Qc7 {-0.69/10 0.024s, n=22993, sd=16} 26. axb6 {+0.98/11 0.021s, n=20003, sd=19}
axb6 {-0.69/12 0.014s, n=21523, sd=16}
27. Rxa8 {+0.95/10 0.014s, n=12180, sd=18}
Rxa8 {-0.59/11 0.024s, n=25095, sd=17, White makes an illegal move: e1h1} 0-1