[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qk1nr/ppp2ppp/1bnpb3/3Np3/1PB1P3/P4P2/2PP2PP/R1BQK1NR b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T05:49:36.052 UTC"] [GameStartTime "2025-07-04T05:49:30.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.05+0.04"] 1... Nf6 {+0.75 10/10 313 0, White makes an illegal move: 0000} 0-1