[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkbnr/pp2nppp/3p4/2pPp3/4P3/P4N2/1PP2PPP/RNBQKB1R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T08:36:08.104 UTC"] [GameStartTime "2025-07-04T08:36:02.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.13+0.04"] 1... f5 {-0.30 8/8 267 0, White makes an illegal move: 0000} 0-1