MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "946"]
[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 "r1bqkbnr/2ppppp1/n6p/pP6/7P/2P2P2/1P1PP1P1/RNBQKBNR b KQkq - 0 5"]
[GameDuration "00:00:01"]
[GameStartTime "2026-09-14T16:11:57 +0000"]
[GameEndTime "2026-09-14T16:11:58 +0000"]
[PlyCount "57"]
[Termination "illegal move"]
[TimeControl "-"]

5... Nb8 {-2.76/10 0.022s, n=22108, sd=15}
6. e4 {+3.07/9 0.020s, n=19926, sd=13} e6 {-2.52/10 0.014s, n=15165, sd=11}
7. d4 {+2.33/9 0.037s, n=38538, sd=13} Be7 {-2.26/9 0.029s, n=28724, sd=13}
8. Kf2 {+2.23/7 0.018s, n=17678, sd=15} Bxh4+ {-1.89/9 0.013s, n=12553, sd=15}
9. g3 {+2.13/8 0.015s, n=14594, sd=14} Be7 {-1.71/9 0.013s, n=13691, sd=12}
10. Na3 {+1.75/7 0.013s, n=12495, sd=9} c6 {-1.86/8 0.020s, n=18816, sd=14}
11. Ne2 {+1.86/8 0.016s, n=15546, sd=13} cxb5 {-1.36/9 0.012s, n=12159, sd=13}
12. Nxb5 {+1.71/9 0.015s, n=13644, sd=12} d6 {-1.77/9 0.027s, n=24989, sd=15}
13. Be3 {+1.86/9 0.015s, n=14268, sd=14} Nf6 {-2.01/9 0.026s, n=24650, sd=16}
14. c4 {+1.98/10 0.017s, n=16300, sd=12} Na6 {-2.16/8 0.030s, n=27535, sd=13}
15. Qd2 {+2.31/9 0.014s, n=13539, sd=13} Nb4 {-2.31/10 0.015s, n=14168, sd=13}
16. Nec3 {+2.37/10 0.022s, n=20453, sd=17} Nd7 {-2.25/10 0.027s, n=26328, sd=15}
17. Kg2 {+2.20/9 0.015s, n=13695, sd=15} Bb7 {-2.58/9 0.050s, n=45554, sd=16}
18. Be2 {+2.29/10 0.026s, n=23035, sd=11} Ba6 {-2.39/9 0.023s, n=21472, sd=14}
19. b3 {+2.67/10 0.040s, n=35733, sd=17} Bb7 {-2.68/9 0.032s, n=29485, sd=17}
20. Rad1 {+3.15/9 0.024s, n=21804, sd=16} Rc8 {-3.60/10 0.062s, n=55475, sd=15}
21. Bf4 {+3.40/10 0.019s, n=17294, sd=19} Nf6 {-3.18/10 0.015s, n=15323, sd=20}
22. d5 {+3.46/11 0.011s, n=12958, sd=21} e5 {-3.44/10 0.020s, n=19649, sd=16}
23. Be3 {+3.37/11 0.010s, n=12050, sd=15} Nd7 {-3.39/10 0.035s, n=32388, sd=15}
24. f4 {+3.57/9 0.016s, n=14619, sd=13} Na6 {-3.55/8 0.019s, n=19369, sd=11}
25. Na7 {+4.12/9 0.013s, n=13215, sd=15} Nac5 {-3.32/8 0.014s, n=13321, sd=13}
26. Nxc8 {+4.24/11 0.020s, n=22018, sd=16}
Bxc8 {-3.49/11 0.019s, n=20829, sd=18}
27. fxe5 {+4.15/10 0.013s, n=14055, sd=14} Nxe5 {-4.72/9 0.012s, n=13677, sd=15}
28. Bxc5 {+5.16/12 0.012s, n=14803, sd=21}
dxc5 {-4.84/10 0.015s, n=15866, sd=16} 29. d6 {+5.17/11 0.011s, n=13249, sd=16}
Bf6 {-5.11/9 0.020s, n=20754, sd=13} 30. Na4 {+5.43/12 0.042s, n=43920, sd=24}
Nd7 {-4.18/10 0.011s, n=12629, sd=11} 31. Qd5 {+5.56/11 0.011s, n=14772, sd=17}
Bd4 {-5.19/9 0.011s, n=12839, sd=15} 32. Rxd4 {+5.78/12 0.009s, n=13056, sd=16}
cxd4 {-5.39/10 0.011s, n=13325, sd=18}
33. c5 {+5.64/13 0.012s, n=16549, sd=23, Black makes an illegal move: e8h8} 1-0