[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbk3r/pp3ppp/2p1pn2/8/4P3/P1bB1N2/1PP2PPP/R1B1K2R w KQ - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:22.904 UTC"] [GameStartTime "2025-06-23T15:43:22.601 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. bxc3 {-2.50 7/0 100 2143603, Black makes an illegal move: g2c6} 1-0