[FEN "3r4/kbp2p2/pn2n3/qp1p1N2/3P2p1/P1NBP1B1/1PQ2PP1/1K6 w -"]

27. Nh6 Rf8


w b wb bw | w b wb bw

w     an



27. Nh6      an



27...Rf8      an