[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk1nr/pppnppbp/3p2p1/8/3PP3/2N5/PPPBBPPP/R2QK1NR b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:33.636 UTC"] [GameStartTime "2025-06-23T15:40:33.354 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Bxd4 {-0.25 6/0 93 520124} 2. Nf3 {-0.05 5/0 151 1856232, Black makes an illegal move: g7d4} 1-0