[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkb1r/ppp1pppp/2n2n2/3p4/2PP1Bb1/2N5/PPQ1PPPP/R3KBNR b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T08:23:15.228 UTC"] [GameStartTime "2025-07-04T08:23:09.805 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.13+0.04"] 1... Nxd4 {+1.65 9/9 418 0, White makes an illegal move: 0000} 0-1