[Event "?"] [Site "?"] [Date "2025.07.14"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqk2r/pp2bppp/2n1pn2/2p5/4P3/PB1P4/1PP1N1PP/RNBQK2R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-07-14T03:42:02.122 UTC"] [GameStartTime "2025-07-14T03:42:01.669 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.04+0.04"] 1... Nd4 {-1.80 10/10 155 539701} 2. Nxd4 {-0.20 14/14 132 1485916, Black makes an illegal move: c6d4} 1-0