[Event "?"] [Site "?"] [Date "2025.07.04"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1b2rk1/pppqbppp/2np1n2/4p3/1PP5/P1N1P3/1BQP1PPP/R3KBNR w KQ - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-04T05:07:40.804 UTC"] [GameStartTime "2025-07-04T05:07:35.806 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.019+0.04"] 1. b5 {-0.05 6/6 148 0, Black makes an illegal move: 0000} 1-0