[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1k1nr/1pppbppp/2n5/1p2p3/2B1P3/2P2N2/P2P1PPP/RNB1K2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:17:42.604 UTC"] [GameStartTime "2025-07-14T03:17:42.082 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1. Bxb5 {-0.50 8/8 146 99435} Nf6 {+0.45 13/13 135 1045590, White makes an illegal move: c4f1} 0-1