(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;C[Black to play optimally. Please
consider each move very carefully.
Warning difficult problem!
]
PL[B]
AB[bc][bd][bf][bg][cc][cg][dd][de][df][ec][ed][fd][fq][gc][hp][io][jm][jn][jp][me][ne][no][od][oo][oq][pd][pj][pk][pl][pm][pn][pq][qd][qj]
AW[bh][cb][cd][ce][cf][ch][db][dc][dg][dn][dp][eb][eg][fb][fc][gd][go][hc][ho][il][im][in][nd][oc][pc][po][pp][qc][qk][ql][qm][qn][qq][qr]
(;B[jj]
MN[1]
;W[jk]
C[A good beginning but now what?]
(;B[dh]
;W[di]
;B[ij]
(;W[hi]
(;B[kk]
;W[hj]
C[Now how to finish playing in the centre?]
(;B[fh]
;W[eh]
;B[ih]
C[RIGHT
Black is leading.]
)(;B[ih]
C[RIGHT]
;W[hh]
;B[ig]
C[Almost 100 %]
))(;B[hj]
;W[kk]
;B[fj]
;W[eh]
(;B[li]
;W[ek]
C[Good for white.]
)(;B[ek]
;W[kj]
)))(;W[kk]
;B[eh]
;W[ei]
;B[fh]
;W[fi]
;B[gh]
;W[gi]
;B[ge]
;W[hd]
;B[hi]
;W[gk]
;B[li]
C[Black is leading]
))(;B[kk]
;W[ij]
;B[ji]
;W[ii]
;B[jh]
;W[dq]
C[Black can actually do better than this]
))(;B[jl]
;W[jk]
;B[kk]
;W[jj]
;B[kj]
;W[ji]
C[White is getting too big a moyo on the
left.]
)(;B[kk]
;W[jj]
;B[kj]
;W[ji]
C[White is too big on the left.]
)(;B[jk]
;W[ij]
;B[jj]
;W[ii]
C[White is leading.]
))