[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbqk2r/ppppb1pp/4pn2/6B1/4P3/5NP1/PPP2P1P/RN1QKB1R b KQkq - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T07:43:54.505 UTC"] [GameStartTime "2025-07-04T07:43:49.305 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.13+0.04"] 1... Nxe4 {+1.05 11/11 238 0, White makes an illegal move: 0000} 0-1