[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Black to move"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "1r2k2r/p4p2/4p1p1/q1PpPnPp/8/1PNQ1P2/P4P2/3RK1R1 b k - 0 20"] [PlyCount "3"] [EventDate "2011.12.04"] [SourceTitle "playchess.com"] {} 20... d4 {The knight is pinned against the white king and cannot be saved.} 21. Kf1 dxc3 (21... Qxc3) *