MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "571"]
[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 "1rbqkbnr/p1ppp1pp/n4p2/1Q6/6P1/2P4N/PP1PPP1P/RNB1KB1R b KQk - 0 5"]
[GameDuration "00:00:01"]
[GameStartTime "2026-09-14T12:23:15 -0400"]
[GameEndTime "2026-09-14T12:23:16 -0400"]
[PlyCount "50"]
[Termination "illegal move"]
[TimeControl "-"]

5... Rxb5 {+8.83/7 0.015s, n=12161, sd=13}
6. Na3 {-8.54/6 0.035s, n=22957, sd=9} Rb6 {+8.42/7 0.015s, n=16066, sd=9}
7. Nc4 {-8.51/7 0.015s, n=12080, sd=9} Bb7 {+8.55/8 0.028s, n=26926, sd=13}
8. Bg2 {-8.31/8 0.026s, n=22710, sd=12} Bxg2 {+8.34/7 0.016s, n=18741, sd=9}
9. Nxb6 {-8.36/8 0.023s, n=18413, sd=13} g5 {+8.11/9 0.034s, n=39612, sd=15}
10. Nc4 {-8.01/7 0.010s, n=12290, sd=10} d6 {+8.09/7 0.010s, n=12338, sd=9}
11. f3 {-8.03/8 0.016s, n=17968, sd=11} Bxh3 {+8.02/8 0.022s, n=25106, sd=13}
12. Rg1 {-7.96/9 0.023s, n=26703, sd=13} Qb8 {+7.89/8 0.021s, n=24821, sd=12}
13. Rg3 {-7.86/8 0.017s, n=17167, sd=12} Bg2 {+7.98/8 0.013s, n=14915, sd=13}
14. Rxg2 {-7.78/9 0.013s, n=15176, sd=12} Kf7 {+7.98/8 0.021s, n=22456, sd=12}
15. b4 {-7.82/9 0.032s, n=32373, sd=15} h5 {+7.81/8 0.024s, n=23054, sd=14}
16. b5 {-7.85/9 0.050s, n=48576, sd=13} hxg4 {+8.08/9 0.015s, n=12018, sd=9}
17. Rxg4 {-8.09/8 0.037s, n=28438, sd=11} Rxh2 {+8.82/8 0.018s, n=18251, sd=10}
18. bxa6 {-8.69/8 0.050s, n=47298, sd=14} d5 {+9.81/9 0.017s, n=19966, sd=12}
19. Ne3 {-9.16/8 0.019s, n=23737, sd=14} Qb6 {+9.12/9 0.015s, n=16649, sd=17}
20. Rg2 {-9.29/9 0.033s, n=31833, sd=11} Rh7 {+9.21/9 0.021s, n=18566, sd=16}
21. Rg1 {-9.01/8 0.017s, n=13095, sd=12} Rh8 {+9.25/9 0.026s, n=23747, sd=18}
22. a4 {-8.98/9 0.022s, n=23328, sd=13} Nh6 {+9.00/8 0.013s, n=15833, sd=14}
23. Rh1 {-8.92/9 0.012s, n=15948, sd=13} Qxa6 {+9.02/9 0.027s, n=28119, sd=14}
24. Ng4 {-8.80/9 0.016s, n=21317, sd=14} Bg7 {+9.23/8 0.016s, n=17289, sd=14}
25. d4 {-9.16/8 0.028s, n=34562, sd=14} Nxg4 {+9.54/8 0.016s, n=12135, sd=10}
26. Rxh8 {-9.77/8 0.011s, n=14568, sd=12} Bxh8 {+9.24/8 0.011s, n=12862, sd=11}
27. fxg4 {-9.21/8 0.008s, n=12132, sd=12} f5 {+9.24/9 0.021s, n=25620, sd=12}
28. Bxg5 {-9.34/9 0.037s, n=30614, sd=18} Qg6 {+9.34/8 0.011s, n=12855, sd=12}
29. Bxe7 {-9.47/7 0.012s, n=15093, sd=11}
Qxg4 {+9.56/8 0.013s, n=15863, sd=16, White makes an illegal move: e1a1} 0-1