[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r3kbnr/ppp2ppp/2n3q1/2Pppb2/3P3N/2N1P3/PP3PPP/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:42.703 UTC"] [GameStartTime "2025-06-23T15:43:42.426 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... exd4 {-5.65 5/0 117 708244} 2. Nxg6 {+5.65 5/0 123 552720, Black makes an illegal move: e5d4} 1-0