[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkbnr/pp1p3p/2n1p1p1/2p1Pp2/5P2/2N2N2/PPPP2PP/R1BQKB1R w KQkq f6 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:34.780 UTC"] [GameStartTime "2025-06-23T15:43:34.314 UTC"] [PlyCount "3"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1. d4 {+0.40 6/0 108 1940187} cxd4 {-1.25 6/0 86 480081} 2. Nxd4 {-0.85 7/0 210 2816827, Black makes an illegal move: c5d4} 1-0