MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "266"]
[White "Heimdall-base"]
[Black "Heimdall-dev"]
[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/2ppp2p/p4pp1/1p4N1/1P6/1QP5/P2PPPPP/RNB1KB1R b KQkq - 1 5"]
[GameDuration "00:00:01"]
[GameStartTime "2026-09-14T13:36:12 +0000"]
[GameEndTime "2026-09-14T13:36:13 +0000"]
[PlyCount "40"]
[Termination "illegal move"]
[TimeControl "-"]

5... fxg5 {+5.18/10 0.036s, n=24824, sd=19}
6. d4 {-5.25/10 0.023s, n=20693, sd=13} Bb7 {+5.20/11 0.023s, n=19672, sd=15}
7. Bxg5 {-4.96/9 0.019s, n=12410, sd=11} Nh6 {+4.78/8 0.026s, n=18507, sd=12}
8. Nd2 {-4.72/9 0.013s, n=12114, sd=12} Nf7 {+4.47/10 0.062s, n=36261, sd=17}
9. Bh4 {-4.41/9 0.021s, n=17863, sd=11} Bh6 {+4.68/10 0.020s, n=16513, sd=12}
10. e3 {-4.64/9 0.025s, n=21459, sd=17} Rf8 {+4.60/9 0.022s, n=12184, sd=16}
11. a4 {-4.64/10 0.035s, n=25014, sd=14} Nd6 {+4.52/9 0.020s, n=14535, sd=13}
12. Bg3 {-4.42/10 0.025s, n=18243, sd=15} e6 {+4.36/10 0.024s, n=14598, sd=14}
13. Qd1 {-4.20/10 0.059s, n=39315, sd=17} Nf5 {+4.45/9 0.079s, n=47104, sd=14}
14. Qg4 {-3.99/10 0.039s, n=27781, sd=12} Rf7 {+4.09/8 0.032s, n=15604, sd=13}
15. Qh3 {-3.31/9 0.026s, n=18441, sd=10} Kf8 {+3.78/8 0.029s, n=18023, sd=12}
16. Bd3 {-2.97/10 0.064s, n=37647, sd=17} Bg5 {+2.91/10 0.026s, n=22580, sd=16}
17. f4 {-2.60/9 0.027s, n=13936, sd=17} Be7 {+2.28/10 0.018s, n=18217, sd=18}
18. e4 {-2.30/10 0.026s, n=19879, sd=18} Nxg3 {+1.95/9 0.033s, n=30778, sd=15}
19. hxg3 {-1.71/10 0.029s, n=19880, sd=14} Nc6 {+1.58/7 0.014s, n=12081, sd=11}
20. e5 {-1.43/8 0.020s, n=13295, sd=8} Rg7 {+1.67/10 0.036s, n=25708, sd=15}
21. g4 {-1.25/9 0.021s, n=13714, sd=14} a5 {+1.70/9 0.028s, n=19485, sd=17}
22. axb5 {-1.17/9 0.020s, n=14431, sd=15} axb4 {+2.06/11 0.027s, n=20558, sd=19}
23. Rxa8 {-1.36/11 0.020s, n=15219, sd=20}
Qxa8 {+1.40/12 0.018s, n=14320, sd=21}
24. bxc6 {-0.89/11 0.028s, n=21859, sd=16}
Bxc6 {+0.96/11 0.036s, n=28289, sd=21, White makes an illegal move: e1h1} 0-1