[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "0-1"]
[FEN "rnb1kbnr/p1q1pppp/1ppp4/8/3PPB2/8/PPP1NPPP/RN1QKB1R w KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T14:40:09.459 UTC"]
[GameStartTime "2025-06-23T14:40:09.343 UTC"]
[PlyCount "0"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "0.86+0.01"]

{White makes an illegal move: a5a4} 0-1