MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "76"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[Result "1-0"]
[EngineWhiteName "Heimdall dev (unknown at unknown)"]
[EngineWhiteAuthor "Nocturn9x (see LICENSE)"]
[EngineBlackName "Heimdall dev (unknown at unknown)"]
[EngineBlackAuthor "Nocturn9x (see LICENSE)"]
[SetUp "1"]
[FEN "r1b1kbnr/pp1ppppp/n1pq4/2P5/5Q2/5P2/PP1PP1PP/RNB1KBNR b KQkq - 2 5"]
[GameDuration "00:00:21"]
[GameStartTime "2026-09-14T14:49:26 +0000"]
[GameEndTime "2026-09-14T14:49:48 +0000"]
[PlyCount "57"]
[Termination "illegal move"]
[TimeControl "-"]

5... Qxf4 {+8.73/10 0.070s, n=57459, sd=15}
6. g3 {-8.16/8 0.029s, n=25182, sd=11} Qa4 {+8.50/9 0.041s, n=29808, sd=14}
7. Na3 {-8.35/8 0.032s, n=26999, sd=13} Qxa3 {+8.52/7 0.019s, n=16966, sd=11}
8. e3 {-8.20/7 9.785s, n=8000000, sd=13} Qa5 {+8.62/8 0.028s, n=20538, sd=13}
9. Bb5 {-8.55/7 0.030s, n=24553, sd=11} Nb4 {+8.77/6 9.943s, n=8000000, sd=11}
10. Kd1 {-8.56/8 0.031s, n=26597, sd=14} f5 {+8.77/8 0.033s, n=22932, sd=13}
11. Bc4 {-8.57/8 0.030s, n=28125, sd=14} e6 {+8.70/8 0.024s, n=21354, sd=10}
12. a3 {-8.51/7 0.036s, n=26757, sd=11} Nf6 {+8.44/8 0.064s, n=56123, sd=15}
13. e4 {-8.45/7 0.027s, n=22711, sd=12} Na2 {+8.66/7 0.015s, n=14140, sd=9}
14. Ne2 {-8.02/7 0.016s, n=15253, sd=15} f4 {+8.54/7 0.013s, n=12053, sd=11}
15. Bxe6 {-8.57/7 0.020s, n=18925, sd=13} dxe6 {+8.47/6 0.013s, n=12025, sd=10}
16. g4 {-8.60/7 0.030s, n=24693, sd=15} Nxe4 {+8.76/7 0.032s, n=26849, sd=13}
17. Nd4 {-8.73/6 0.017s, n=14478, sd=12} Nxc1 {+9.13/7 0.062s, n=48781, sd=14}
18. b4 {-9.05/6 0.054s, n=45135, sd=12} Qa4+ {+9.23/7 0.027s, n=19592, sd=11}
19. Kxc1 {-9.31/6 0.103s, n=84709, sd=15} Nf2 {+9.18/7 0.023s, n=20452, sd=13}
20. Kb2 {-9.16/7 0.076s, n=60560, sd=12} Nd3+ {+9.31/6 0.021s, n=17936, sd=10}
21. Kb1 {-9.20/5 0.016s, n=13758, sd=10} h5 {+9.32/6 0.026s, n=22219, sd=12}
22. Ra2 {-9.31/6 0.029s, n=21951, sd=11} Qxb4+ {+9.82/7 0.076s, n=62599, sd=11}
23. Kc2 {-10.36/5 0.033s, n=26192, sd=11}
Qxd2+ {+10.71/8 0.041s, n=35061, sd=14}
24. Kb1 {-10.75/7 0.019s, n=17822, sd=16} Nxc5 {+10.83/8 0.040s, n=34631, sd=17}
25. Nc2 {-10.64/7 0.014s, n=12752, sd=11}
Qxc2+ {+10.88/7 0.021s, n=20531, sd=13}
26. Rxc2 {-10.66/7 0.020s, n=19348, sd=11} Rh6 {+10.51/8 0.039s, n=35430, sd=11}
27. Rc3 {-10.43/7 0.023s, n=21719, sd=11} Na4 {+10.40/7 0.019s, n=19943, sd=11}
28. g5 {-10.22/7 0.019s, n=19011, sd=12} Rg6 {+10.32/7 0.016s, n=13366, sd=11}
29. Rd1 {-10.53/8 0.019s, n=18821, sd=12} Bd7 {+10.09/8 0.034s, n=32491, sd=14}
30. Rxd7 {-10.09/9 0.019s, n=19232, sd=14}
Nxc3+ {+10.01/8 0.040s, n=34784, sd=18} 31. Ka1 {-9.81/6 0.014s, n=14409, sd=13}
Bxa3 {+9.82/9 0.013s, n=14036, sd=14} 32. Re7+ {-9.93/8 0.018s, n=17705, sd=15}
Bxe7 {+10.18/9 0.019s, n=23423, sd=16}
33. h4 {-9.66/8 0.019s, n=17188, sd=16, Black makes an illegal move: e8a8} 1-0