[FEN "rn1qkb1r/pp2pp2/2p2n2/3p4/2PP2bp/2N1PN2/PP3PPB/R2QKB1R b KQkq"]

11... dxc4 12. Bxc4


w b wb bw | w b wb bw

b     an



11...dxc4      an



12. Bxc4      an