[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/pp2ppp1/2n2B1p/3p4/8/2P5/PP2PPPP/RN1QKBNR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T10:47:11.804 UTC"] [GameStartTime "2025-07-04T10:47:06.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.1+0.04"] 1... exf6 {+0.75 10/10 221 0, White makes an illegal move: 0000} 0-1