[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Black to move"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "r3k2r/1b1nppbp/pq1p2p1/1pp4P/3PPP2/P2BQN2/1PP1N1P1/R3K2R b KQkq - 0 13"] [PlyCount "1"] [EventDate "2008.12.31"] [SourceTitle "playchess.com"] {} 13... c4 {The bishop is trapped} (13... cxd4 {is also good because the pawn cannot be recaptured} 14. Qf2 (14. Nexd4 e5 {and the knight is pinned against the queen} 15. Nf5 gxf5) 14... e5 {and black is a pawn up and has control of the centre. That said it is better to just win the bishop with 13.. .c4}) *