[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1k1nr/ppp2pp1/2np1q1p/4p3/2B1PP2/2PP1N2/P1P3PP/R1BQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:16:41.073 UTC"] [GameStartTime "2025-07-14T03:16:40.804 UTC"] [PlyCount "0"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] {White makes an illegal move: b2b4} 0-1