[Event "Fastchess Tournament"]
[Site "?"]
[Date "2026.07.23"]
[Round "684"]
[White "Pluto-base"]
[Black "Pluto-dev"]
[Result "0-1"]
[SetUp "1"]
[FEN "rnb1k2r/2q1ppbp/2pp1np1/pp6/3PP3/P1N1BN1P/1PP1BPP1/R2QK2R w KQkq - 0 9"]
[GameDuration "00:00:00"]
[GameStartTime "2026-07-23T08:35:00 +0200"]
[GameEndTime "2026-07-23T08:35:00 +0200"]
[PlyCount "3"]
[Termination "illegal move"]
[TimeControl "2.13604e+07+213604"]

9. b4 {/0 0.000s, n=0, sd=0}
axb4 {/0 0.000s, n=0, sd=0, White makes an illegal move: a2a4} 0-1