[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "rn1qkb1r/ppp1n1pp/3pbp2/4p3/3PP3/1PN2N2/P1P2PPP/R1BQKB1R b KQkq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:40:22.786 UTC"] [GameStartTime "2025-06-23T15:40:22.579 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4+0.04"] 1... exd4 {-1.00 6/0 94 597079} 2. Nxd4 {+0.55 6/0 85 1278439, Black makes an illegal move: e5d4} 1-0