[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rnbqkbnr/1pppppp1/8/p2P4/2P1P3/6Pp/PP3P1P/RNBQKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:37.434 UTC"] [GameStartTime "2025-06-23T15:40:37.231 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... a4 {-2.00 6/0 95 748799} 2. Nxh3 {+1.05 6/0 86 1275422, Black makes an illegal move: a5a4} 1-0