[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/pp1np1pp/2p5/3p1p2/2PPn2B/2N1PN2/PP3PPP/R2QKB1R b KQkq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:17:30.155 UTC"] [GameStartTime "2025-07-04T05:17:25.156 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... Nxc3 {-0.15 9/9 164 0, White makes an illegal move: 0000} 0-1