[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1b1k2r/ppp1qppp/1bnp1n2/8/2BPP3/5P2/PP2N1PP/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:36.580 UTC"] [GameStartTime "2025-06-23T15:43:36.365 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. Nbc3 {-0.25 5/0 93 722003} O-O {-0.10 4/0 88 340200, White makes an illegal move: b1c3} 0-1