[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk1nr/pppbn1bp/3p1pp1/3Pp3/4P3/2N1BP2/PPPQB1PP/R3K1NR w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:40.628 UTC"] [GameStartTime "2025-06-23T15:40:40.391 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1. f4 {+0.40 6/0 85 436338} exf4 {-1.10 6/0 111 1862374, White makes an illegal move: f3f4} 0-1