[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkb1r/pppp1ppp/2n1pn2/8/1PPP4/P1N2N2/4PPPP/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:22.407 UTC"] [GameStartTime "2025-06-23T15:43:22.208 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d5 {-0.25 5/0 85 611139} 2. b5 {-0.20 6/0 86 1354072, Black makes an illegal move: d7d5} 1-0