(;GM[1]FF[4]SZ[19]
GN[Black will play ko if White chooses ''a'', or escape (i.e. run for dear life) after ''b'' (B8 connects)]
PC[http://senseis.xmp.net/?BQM564]AP[GoWiki:2009]
DT[2012-03-31]
C[Diagram from http://senseis.xmp.net/?BQM564

Black will play ko if White chooses ''a'', or escape (i.e. run for dear life) after ''b'' (B8 connects)]
PL[W]

AB[po][qo][pp][pq][qr]
AW[on][pn][qn][oo][ro][op][oq][pr]
LB[nr:a][rr:b]

;B[or]C[B4]MN[4]
;W[qq]C[W5]MN[5]
;B[ps]C[B6]MN[6]
;W[qp]C[W7]MN[7]

;LB[nr:a][rr:b]
)
