[FEN "r2qkb1r/1bpn1p2/pp3n2/3p2pp/3P4/2NBP2P/PPQ1NPPB/R3K2R b KQkq"]

11... Nb8 12. Be5


w b wb bw | w b wb bw

b     an
    


11...Nb8      an
    


12. Be5      an