[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qkbnr/ppp2ppp/4p3/3p1B2/2PP4/5P2/PP4PP/RNBQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:42.253 UTC"] [GameStartTime "2025-06-23T15:43:42.059 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... exf5 {+0.10 6/0 85 425949} 2. cxd5 {-1.10 6/0 85 1404672, Black makes an illegal move: e6f5} 1-0