[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqk2r/ppp2ppp/4pn2/2b5/8/2P2NP1/PP1PQ2P/RNB1KB1R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:34.117 UTC"] [GameStartTime "2025-06-23T15:43:33.996 UTC"] [PlyCount "0"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] {White makes an illegal move: f7f6} 0-1