(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;AB[cf][dc][kc][mq][od][pc][qc][qp]
AW[cj][do][dq][oq][po][qd][qg][rc]
PL[B]
LB[yy:0]TR[po](;B[pp]
MN[1]
;W[op]
;B[oo]
;W[no]
;B[on]
;W[mp]
(;B[lp]
;W[lo]
;B[kp]
;W[ko]
;B[jp]
;W[ro]
(;B[qr]
(;W[pn]
;B[om]
;W[pq]
;B[qq]
(;W[pr]
C[A slightly unusual move, but not less
powerfull..., since how should Black
live in the corner?
A is also joseki.]
LB[pr:18][ql:A](;B[qo]
;W[qn]
;B[rn]
;W[rm]
;B[sn]
;W[pl]
;B[rp]
;W[qk]
C[RIGHT
Black can now choose A to settle
himself or B to fight.]
LB[qk:26][mn:B][gq:A])(;B[pm]
;W[rm]
C[Black can't win the caturing race in the
corner.]
))(;W[ql]
;B[nq]
;W[np]
;B[or]
;W[pk]
C[and Black can run away with the
marked stones.]
LB[pk:22]TR[om][on][oo]))(;W[qo]
;B[or]
;W[pq]
;B[qq]
;W[pr]
;B[nq]
;W[np]
;B[ps]
;W[nr]
;B[os]
;W[mr]
;B[lq]
;W[nn]
;B[om]
;W[rq]
;B[rs]
;W[nm]
;B[ol]
;W[ql]
LB[ql:32]TR[ol][oo][on][om]C[And Black can run away with the
marked stones.]
))(;B[qo]
;W[pn]
;B[qn]
;W[pm]
;B[rl]
;W[hq]
C[White is happy.]
))(;B[pn]
;W[lq]
C[White has some big potential on the
lower side.]
)(;B[qm]
;W[lq]
C[White has some big potential on the
lower side.]
))(;B[qo]
;W[pn]
(;B[qm]
C[And White can look forward to
attacking Black on the lower side with
a pincer around A.]
LB[qm:3][jp:A])(;B[qn]
;W[pm]
C[If the marked black stone would have
been at A this would have been
playable but now it is too near the
white thickness to play like this.]
LB[pm:4][kq:A]TR[mq])))