[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkb1r/pp2pppp/2n2n2/3p3b/3P2P1/1P2BN1P/P1P2P2/RN1QKB1R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T08:45:45.804 UTC"] [GameStartTime "2025-07-04T08:45:40.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.14+0.04"] 1... Bg6 {+0.05 7/7 107 0, White makes an illegal move: 0000} 0-1