[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-dev"] [Black "Helios-base"] [Result "0-1"] [FEN "r2qkbnr/pppn1bpp/3p1p2/3Pp3/4P2N/7P/PPP1BPP1/RNBQK2R w KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:30.755 UTC"] [GameStartTime "2025-06-23T15:43:30.557 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. a4 {-0.25 5/0 85 784682} Ne7 {-0.35 5/0 85 1039842, White makes an illegal move: a2a4} 0-1