(;GM[1]FF[4]SZ[19]
GN[A problem: Black to make trouble in the corner]
PC[http://senseis.xmp.net/?Fujitsu17YiWangChubanPart2]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Fujitsu17YiWangChubanPart2

A problem: Black to make trouble in the corner]
PL[B]

AB[ab][db][gb][bc][cc][fc][bd][fd][hd][de][ee][dg][eg][ch]
AW[ba][bb][eb][fb][ec][cd][dd][be][ce][cf][ff][if][fg][eh][gh]

;B[dc]C[B1]MN[1]
;W[ed]C[W2]MN[2]
;B[da]C[B3]MN[3]
;W[ad]C[W4]MN[4]
;B[cg]C[B5]MN[5]
;W[bg]C[W6]MN[6]
;B[bh]C[B7]MN[7]
;W[ae]C[W8]MN[8]
;B[ac]C[B9]MN[9]

;
)
