[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bq1rk1/p1pp1ppp/1pn2n2/2b5/4P3/P4N2/1PP1QPPP/RNB1KB1R w KQ - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:09:05.804 UTC"] [GameStartTime "2025-07-04T05:09:00.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1. Bf4 {0.00 6/6 171 0, Black makes an illegal move: 0000} 1-0