[FEN "r2q1rk1/pbpn1pp1/1p2pn1p/3pN3/2PP3B/2PBP3/P4PPP/R2Q1RK1 b -"]

11... Nxe5 12. dxe5


w b wb bw | w b wb bw

b     an
    


11...Nxe5      an
    


12. dxe5      an