[Event "?"]
[Site "?"]
[Date "2025.07.04"]
[Round "1"]
[White "Helios-dev"]
[Black "Helios-base"]
[Result "0-1"]
[FEN "r1bqk2r/pppnn1bp/3p1pp1/3Pp3/4P3/2P1BN2/PP3PPP/RN1QKB1R b KQkq - 0 1"]
[GameDuration "00:00:04"]
[GameEndTime "2025-07-04T07:39:26.804 UTC"]
[GameStartTime "2025-07-04T07:39:21.807 UTC"]
[PlyCount "1"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.13+0.04"]

1... f5 {0.00 5/5 120 0, White makes an illegal move: 0000} 0-1