[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/pp2pppp/8/2npPb2/1P3B2/2P5/P4PPP/RN1QKBNR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:16:14.804 UTC"] [GameStartTime "2025-07-04T05:16:09.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... g5 {-1.10 8/8 106 0, White makes an illegal move: 0000} 0-1