[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r3kb1r/ppp1pppp/2nq1n2/3p1b2/3P4/P1P1PNP1/1P3P1P/RNBQKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:42.113 UTC"] [GameStartTime "2025-06-23T15:43:41.914 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... a6 {+0.65 5/0 91 584594} 2. Nbd2 {-1.25 5/0 87 864481, Black makes an illegal move: a7a6} 1-0