MattBench MattBench Event details n9x.co

Event details

[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.09.14"]
[Round "20"]
[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 "rnbqkb1r/pp1p1pp1/4pn2/2p4p/1P6/5P1P/P1PPPKP1/RNBQ1BNR b kq - 0 5"]
[GameDuration "00:00:00"]
[GameStartTime "2026-09-14T13:35:00 +0000"]
[GameEndTime "2026-09-14T13:35:00 +0000"]
[PlyCount "31"]
[Termination "illegal move"]
[TimeControl "-"]

5... cxb4 {+4.25/10 0.012s, n=12734, sd=13}
6. a3 {-3.57/9 0.024s, n=20985, sd=15} h4 {+3.85/10 0.019s, n=14371, sd=12}
7. e3 {-3.88/10 0.029s, n=26195, sd=18} Nh5 {+3.93/11 0.013s, n=13403, sd=18}
8. Ne2 {-3.73/11 0.014s, n=14013, sd=17} d5 {+4.13/10 0.014s, n=13129, sd=20}
9. axb4 {-3.64/10 0.025s, n=21559, sd=17} Bxb4 {+3.62/10 0.016s, n=15431, sd=15}
10. Ba3 {-3.70/10 0.018s, n=15476, sd=11} Bxa3 {+3.82/10 0.015s, n=14579, sd=15}
11. Nxa3 {-3.61/9 0.016s, n=14820, sd=15} Nc6 {+3.68/10 0.025s, n=17448, sd=14}
12. Rg1 {-3.70/9 0.017s, n=16386, sd=14} a6 {+3.72/9 0.022s, n=19219, sd=16}
13. d4 {-3.68/9 0.016s, n=14508, sd=17} Bd7 {+4.23/10 0.056s, n=42296, sd=16}
14. c4 {-3.53/10 0.028s, n=22556, sd=15} Ne7 {+3.70/9 0.023s, n=20440, sd=15}
15. Nc3 {-3.76/10 0.067s, n=51419, sd=17} Qc7 {+3.52/8 0.019s, n=15588, sd=13}
16. f4 {-4.22/9 0.038s, n=30349, sd=21} Ng3 {+3.47/8 0.021s, n=12353, sd=11}
17. Qb3 {-3.39/11 0.054s, n=45260, sd=17} Nef5 {+3.69/9 0.040s, n=26702, sd=16}
18. Rb1 {-3.67/8 0.032s, n=25648, sd=13} b5 {+5.09/10 0.030s, n=25641, sd=15}
19. Naxb5 {-6.22/7 0.015s, n=13616, sd=13}
axb5 {+7.31/11 0.021s, n=17394, sd=14}
20. cxd5 {-7.62/9 0.038s, n=32746, sd=16, Black makes an illegal move: e8h8} 1-0