[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qkbnr/1bpp1ppp/pp2p3/8/8/1P2PP2/P1PP2PP/RNBQKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:36.197 UTC"] [GameStartTime "2025-06-23T15:40:35.836 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... a5 {-0.05 6/0 132 1328160} 2. Nc3 {-0.85 6/0 109 2259213, Black makes an illegal move: a6a5} 1-0