MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "724"]
[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/pp3p1p/3p4/2p1p1p1/7N/NP6/P1PPPPPP/R1BQKB1R w KQkq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T11:54:54 -0400"]
[GameEndTime "2026-09-14T11:54:55 -0400"]
[PlyCount "43"]
[Termination "illegal move"]
[TimeControl "-"]

5. Nf3 {-1.14/11 0.019s, n=16939, sd=16} g4 {+1.38/10 0.011s, n=13584, sd=13}
6. Ng1 {-1.37/9 0.016s, n=12789, sd=15} Nf6 {+1.33/9 0.017s, n=14032, sd=12}
7. c4 {-1.19/9 0.016s, n=12198, sd=15} Nc6 {+1.17/9 0.013s, n=14848, sd=13}
8. e3 {-1.68/9 0.022s, n=18807, sd=14} a6 {+1.29/9 0.016s, n=13827, sd=16}
9. h3 {-1.39/9 0.014s, n=16296, sd=10} g3 {+2.09/9 0.012s, n=12905, sd=15}
10. f3 {-1.97/7 0.012s, n=12413, sd=10} d5 {+1.78/10 0.029s, n=22903, sd=19}
11. cxd5 {-2.34/10 0.016s, n=17680, sd=14}
Nxd5 {+2.07/10 0.029s, n=30468, sd=16} 12. Bb2 {-1.91/10 0.015s, n=14037, sd=12}
Rg8 {+2.08/11 0.051s, n=44483, sd=18} 13. Ne2 {-2.21/8 0.018s, n=16792, sd=15}
Ndb4 {+2.51/10 0.021s, n=25989, sd=18} 14. Nc3 {-2.17/11 0.033s, n=33064, sd=18}
Be6 {+2.44/9 0.022s, n=17797, sd=16} 15. Qb1 {-1.76/10 0.011s, n=14632, sd=14}
Rc8 {+1.41/9 0.045s, n=34659, sd=14} 16. Nc4 {-0.54/10 0.025s, n=23060, sd=16}
b5 {+1.35/12 0.010s, n=14105, sd=16} 17. a3 {-1.39/10 0.009s, n=13573, sd=17}
bxc4 {+1.07/11 0.014s, n=21019, sd=17}
18. bxc4 {-1.23/12 0.010s, n=16397, sd=17} Na5 {+1.67/12 0.017s, n=21202, sd=20}
19. axb4 {-1.15/12 0.012s, n=13827, sd=14}
cxb4 {+1.21/11 0.011s, n=18041, sd=14} 20. Ne4 {-1.52/11 0.018s, n=23087, sd=17}
Nxc4 {+1.98/12 0.013s, n=15260, sd=12}
21. Rxa6 {-1.90/10 0.012s, n=13124, sd=17} Be7 {+1.57/10 0.029s, n=27556, sd=18}
22. Rxe6 {-0.96/10 0.017s, n=13622, sd=14}
fxe6 {+2.08/11 0.009s, n=13507, sd=18}
23. Bxc4 {-1.02/10 0.014s, n=12213, sd=15}
Rxc4 {+1.80/11 0.027s, n=29941, sd=21}
24. Bxe5 {-1.36/10 0.009s, n=12538, sd=17} Qd5 {+0.99/9 0.017s, n=13897, sd=16}
25. Bf6 {-1.27/11 0.021s, n=20604, sd=15}
b3 {+1.49/11 0.010s, n=12874, sd=12, White makes an illegal move: e1h1} 0-1