(;GM[1]FF[4]SZ[19]
GN[Now, because W can cut at the marked point, B does not have enough liberties to kill W's stones before W kills the cutting stones.]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem103/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem103/Attempts

Now, because W can cut at the marked point, B does not have enough liberties to kill W's stones before W kills the cutting stones.]
PL[W]

AB[fa][cb][eb][gb][cc][fc][bd][fd][gd][ce][he][cf][hf][dg][fg]
AW[bb][db][hb][jb][gc][hc][cd][dd][ed][hd][ee][fe][ge]
SQ[be]
LB[ha:a]

;B[bc]C[B4]MN[4]
;W[da]C[W5]MN[5]
;B[dc]C[B6]MN[6]
;W[ec]C[W7]MN[7]
;B[fb]C[B8]MN[8]
;W[ca]C[W9]MN[9]

;SQ[be]
LB[ha:a]
)
