[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "rnbq1rk1/pp2b1pp/2p1pn2/3p4/5P2/3B1N2/PPPP2PP/RNBQ1RK1 b - - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:25.888 UTC"] [GameStartTime "2025-06-23T15:40:25.674 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... c5 {+0.50 5/0 86 1094455, White makes an illegal move: a7a6} 0-1