[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/pp1pn1pp/2n2p2/2p1p3/4P3/2NP4/PPPBQPPP/2KR1BNR b kq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T07:57:34.804 UTC"] [GameStartTime "2025-07-04T07:57:29.305 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.01+0.04"] 1... d5 {-0.05 8/8 411 0, White makes an illegal move: 0000} 0-1