[FEN "r4rk1/2p2pp1/p2q3p/1p1p4/1P1P2b1/P1N1P2P/2Q2PP1/R1R3K1 b -"]

20... Bd7 21. Ne2


w b wb bw | w b wb bw

b     an
    


20...Bd7      an
    


21. Ne2      an