[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkb1r/pp1npppp/2p2n2/8/2pPPP2/2N4P/PP4P1/R1BQKBNR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:35.837 UTC"] [GameStartTime "2025-06-23T15:43:35.639 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... a6 {-0.60 6/0 88 600532} 2. Bxc4 {+0.10 5/0 86 696634, Black makes an illegal move: a7a6} 1-0