[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkb1r/ppp3pp/2n2n2/3p1p2/3NpP2/1P1PP3/PBP3PP/RN1QKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:30.562 UTC"] [GameStartTime "2025-06-23T15:40:30.201 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... Nxd4 {+0.40 6/0 87 424257} 2. exd4 {-1.05 6/0 228 679929, Black makes an illegal move: c6d4} 1-0