MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "274"]
[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 "rn1qkbnr/p2ppppp/bp6/2p5/P1N5/2P5/RP1PPPPP/2BQKBNR b Kkq - 3 5"]
[GameDuration "00:00:01"]
[GameStartTime "2026-09-14T15:59:55 +0000"]
[GameEndTime "2026-09-14T15:59:57 +0000"]
[PlyCount "49"]
[Termination "illegal move"]
[TimeControl "-"]

5... Bxc4 {+6.31/10 0.020s, n=19131, sd=15}
6. Ra1 {-6.21/10 0.016s, n=15544, sd=12} Ba6 {+6.05/9 0.013s, n=13359, sd=13}
7. d3 {-6.10/9 0.030s, n=27162, sd=13} c4 {+6.16/9 0.022s, n=18584, sd=14}
8. Nf3 {-6.23/9 0.014s, n=13071, sd=10} Qc7 {+6.05/9 0.015s, n=12722, sd=15}
9. e4 {-5.99/9 0.037s, n=27723, sd=12} Bb7 {+6.12/9 0.016s, n=13654, sd=11}
10. g3 {-5.55/8 0.024s, n=19636, sd=14} cxd3 {+5.64/8 0.019s, n=15330, sd=14}
11. Bf4 {-5.57/9 0.014s, n=12148, sd=12} d6 {+6.28/9 0.038s, n=27460, sd=16}
12. e5 {-5.99/9 0.062s, n=48640, sd=17} Qc6 {+6.28/10 0.055s, n=42971, sd=20}
13. Bg2 {-5.85/10 0.037s, n=29302, sd=16} dxe5 {+5.59/10 0.059s, n=45070, sd=16}
14. Bxe5 {-5.95/9 0.027s, n=21268, sd=19} Qe4+ {+5.69/10 0.019s, n=15653, sd=18}
15. Kd2 {-6.05/8 0.022s, n=12022, sd=16} Nc6 {+6.00/10 0.037s, n=30025, sd=16}
16. Re1 {-5.50/10 0.033s, n=26271, sd=13} Qd5 {+6.78/11 0.035s, n=22251, sd=15}
17. Re3 {-6.43/9 0.020s, n=15463, sd=11} Rd8 {+6.80/9 0.021s, n=16372, sd=11}
18. Ne1 {-6.81/8 0.016s, n=13697, sd=15} Qd7 {+6.93/11 0.034s, n=24731, sd=17}
19. Bf4 {-6.74/10 0.018s, n=15035, sd=13} Nf6 {+6.72/9 0.039s, n=32014, sd=18}
20. Rxd3 {-6.79/9 0.014s, n=12115, sd=11} Qc8 {+6.91/8 0.033s, n=25809, sd=18}
21. a5 {-6.66/9 0.032s, n=25459, sd=13} Nd7 {+6.93/9 0.036s, n=28111, sd=16}
22. axb6 {-6.65/9 0.019s, n=13235, sd=14} axb6 {+7.06/10 0.020s, n=16500, sd=18}
23. Bxc6 {-7.16/10 0.019s, n=15594, sd=16}
Bxc6 {+7.08/10 0.034s, n=25769, sd=13} 24. Nf3 {-7.30/8 0.029s, n=18322, sd=14}
e5 {+7.92/10 0.016s, n=13892, sd=10} 25. Bxe5 {-7.31/10 0.021s, n=19106, sd=19}
Bxf3 {+9.48/10 0.026s, n=27188, sd=13}
26. Qxf3 {-6.73/13 0.024s, n=20256, sd=24} Nxe5 {+9.67/9 0.016s, n=13692, sd=17}
27. Re1 {-6.48/11 0.015s, n=15058, sd=25} Bd6 {+10.16/7 0.035s, n=31702, sd=15}
28. Rxd6 {-9.65/9 0.021s, n=19545, sd=17}
Rxd6+ {+9.72/10 0.060s, n=50416, sd=27}
29. Kc1 {-9.66/9 0.020s, n=19967, sd=14, Black makes an illegal move: e8h8} 1-0