[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1q1rk1/pp2nppp/2p1p3/3pPb2/PbPP4/2N2N2/1P2BPPP/R1BQK2R b KQ - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:10:05.804 UTC"] [GameStartTime "2025-07-04T05:10:00.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... Bxc3+ {-0.30 8/8 149 0, White makes an illegal move: 0000} 0-1