[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rn1qk2r/ppp1nppp/4b3/2p1p3/2P1P3/2NP4/PP1Q1PPP/R3KBNR b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T08:12:09.800 UTC"] [GameStartTime "2025-07-04T08:12:04.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1... Nbc6 {0.00 9/9 247 0, White makes an illegal move: 0000} 0-1