[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/ppp1p1pp/2np4/5p2/5Pn1/1P2PN1P/PBPP2P1/RN1QKB1R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T08:00:13.804 UTC"] [GameStartTime "2025-07-04T08:00:08.803 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.01+0.04"] 1... Nf6 {-0.05 9/9 100 0, White makes an illegal move: 0000} 0-1