(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;C[White just played the marked stone in
the so called Shusaku-fuseki. Now
where should Black play?]
PL[B]
LB[yy:1][qk:A][ce:B][de:C][yy:1][op:D][yy:1]TR[eq]AB[cp][pe][pq][qd]
AW[dc][eq][oc][qo]
(;B[qk]
MN[1]
C[RIGHT
This move is a pincer+extension and
is therefore very big. For that reason
White most often plays the marked
stone around around A.]
LB[qk:1]TR[eq]LB[qj:A])(;B[ce]
LB[ce:1][do:A][qi:B][qj:B][qk:B]C[This is bad for multiple reasons:
1) White can push at A forcing black in
a overly low position on the left.
2) White can play an extension along
the right (B) to prevent a Black pincer +
extension.]
)(;B[de]
C[White will be happy to play at A
preventing a black pincer+extension
there.]
LB[de:1][qk:A][qi:A][qj:A])(;B[op]
;W[ql]
C[and white will be happy having
somehow reduced the effectiveness of
the black kosumi (marked).]
LB[ql:3]TR[pe][qd]LB[ql:3];B[qp]
;W[qi]
)(;B[gq]
;W[op]
(;B[oq]
;W[np]
(;B[mq]
;W[qj]
C[Perfect for White as he has
prevented black from playing a
pincer+extension on the right and has
forced back into an unbearably low
position on the bottom.]
)(;B[nq]
;W[mp]
C[Black is too low at the bottom.]
))(;B[pp]
;W[po]
;B[oo]
;W[np]
;B[on]
C[This cut is probably uneasonable for
black.]
)))
