[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r2qk2r/pppbbpp1/2nppn1p/8/8/4P3/PPPPBPPP/RNBQK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:41.588 UTC"] [GameStartTime "2025-06-23T15:43:41.359 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d5 {+0.60 6/0 93 699036} 2. Nc3 {-1.00 6/0 112 2043685, Black makes an illegal move: d6d5} 1-0