(;GM[1]FF[4]SZ[9]
GN[White has a single ko threat]
PC[http://senseis.xmp.net/?BQM4]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM4

White has a single ko threat]
PL[W]

AB[da][ea][eb][fb][hb][ib][fc][gc][hc][bd][cd][dd][ed][fd][de][fe][cf][bg][cg][fg][gg][ah][bh][eh][gh][hh][ih][di][fi][ii]
AW[ca][bb][db][bc][cc][dc][ec][ic][gd][hd][id][ee][ge][df][ef][ff][gf][hf][dg][eg][hg][ch][dh][bi][ci]

;W[gi]C[W1]MN[1]
;B[hi]C[B2]MN[2]
;W[ei]C[W3]MN[3]
;B[ac]C[B4]MN[4]
;W[fh]C[W5]MN[5]
;B[ab]C[B6]MN[6]

;
)
