[Event "?"]
[Site "?"]
[Date "2025.06.23"]
[Round "1"]
[White "Helios-base"]
[Black "Helios-dev"]
[Result "1-0"]
[FEN "rnbqk2r/p4ppp/2pbpn2/1p1p4/8/1B1PPN2/PPP2PPP/RNBQK2R b KQkq - 0 1"]
[GameDuration "00:00:00"]
[GameEndTime "2025-06-23T15:43:21.933 UTC"]
[GameStartTime "2025-06-23T15:43:21.662 UTC"]
[PlyCount "2"]
[SetUp "1"]
[Termination "illegal move"]
[TimeControl "4.03+0.04"]

1... b4 {-0.20 5/0 94 186547}
2. c3 {-0.35 6/0 88 1365999, Black makes an illegal move: b5b4} 1-0