[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqk2r/pp2ppbp/3p2pn/2pP4/4P3/2N2P2/PPP1N1PP/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:37.012 UTC"] [GameStartTime "2025-06-23T15:43:36.769 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Bxc3+ {-2.00 6/0 92 836121} 2. Nxc3 {+1.50 6/0 99 1234380, Black makes an illegal move: g7c3} 1-0