[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bq1rk1/pppp1ppp/2n2n2/2b5/4P1N1/P1N5/1PPP1PPP/R1BQKB1R b KQ - 0 1"] [GameDuration "00:00:05"] [GameEndTime "2025-07-04T08:44:00.128 UTC"] [GameStartTime "2025-07-04T08:43:54.804 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.14+0.04"] 1... Nxg4 {-0.55 10/10 338 0, White makes an illegal move: 0000} 0-1