[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r1bqkb1r/p2p1ppp/1p3n2/2pPp3/2B1P3/2N1BQ2/PPP2PPP/R3K2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:34:54.348 UTC"] [GameStartTime "2025-07-14T03:34:53.880 UTC"] [PlyCount "1"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... d6 {-0.90 13/13 196 1795877, White makes an illegal move: d1a4} 0-1