[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkb1r/ppp1pp1p/2n3p1/3p1b2/3P1B2/2PBPN2/P1P2PPP/1R1QK2R b Kkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:15:55.746 UTC"] [GameStartTime "2025-07-14T03:15:54.923 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Bxd3 {-0.45 13/13 180 1530688, White makes an illegal move: a1a2} 0-1