[Event "?"] [Site "?"] [Date "2025.06.23"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "1-0"] [FEN "r1bqkb1r/ppp2ppp/2n2n2/3p4/8/3P2P1/PP2PPKP/RNBQ1BNR b kq - 0 1"] [GameDuration "00:00:00"] [GameEndTime "2025-06-23T15:43:29.875 UTC"] [GameStartTime "2025-06-23T15:43:29.656 UTC"] [PlyCount "2"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.03+0.04"] 1... d4 {+1.25 5/0 86 948150} 2. Nd2 {-1.25 4/0 95 92370, Black makes an illegal move: d5d4} 1-0