[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnb1k2r/pppq1ppp/3bpn2/8/2BP4/2N2N2/PPP1QPPP/R1B1K2R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T07:59:48.805 UTC"] [GameStartTime "2025-07-04T07:59:43.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.01+0.04"] 1... Bb4 {-0.55 8/8 243 0, White makes an illegal move: 0000} 0-1