(;GM[1]FF[4]SZ[19]
GN[(if white ''a'') B7 and more threats may be available]
PC[http://senseis.xmp.net/?BQM564]AP[GoWiki:2009]
DT[2012-03-31]
C[Diagram from http://senseis.xmp.net/?BQM564

(if white ''a'') B7 and more threats may be available]
PL[B]

AB[po][qo][pp][pq][or][pr][qr][ps]
AW[on][pn][qn][oo][ro][op][qp][oq][qq][nr]

;B[rq]C[B1]MN[1]
;W[rp]C[W2]MN[2]
;B[rs]C[B3]MN[3]
;W[sq]C[W4]MN[4]
;B[sr]C[B5]MN[5]
;W[rr]C[W6]MN[6]
;B[mr]C[B7]MN[7]

;
)
