[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bq1rk1/2ppbppp/ppn1pn2/8/2PP1B2/2N2NP1/PP2PPBP/R2Q1RK1 b - - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T06:21:17.804 UTC"] [GameStartTime "2025-07-04T06:21:12.808 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.11+0.04"] 1... d5 {-0.10 6/6 97 0, White makes an illegal move: 0000} 0-1