[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/1pp1np1p/p1np2p1/4p3/2B1PP2/2N2N1P/PPPP2P1/R1BQ1RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T07:52:18.803 UTC"] [GameStartTime "2025-07-04T07:52:13.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.08+0.04"] 1... b5 {-0.05 8/8 152 0, White makes an illegal move: 0000} 0-1