(
;
FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.35]
AB[qq][pp][pn][pj][pk][ql][rk][qj][oj][oi][nh][hs][hr][ir][iq][io][mq][nr][oq][rq][mr][hp]
AW[mh][ni][oh][og][pi][qi][ri][rj][pr][qr][rr][nq][kq][ko][jr][is][js][mp][np][or][sr]
C[Is it possible to utilize the marked stones? (Assume that any moyo built in the region of A has little value.)]
GN[goproblem1504]
TR[mq][mr][nr]
LB[mm:A]
(
;
B[lp]
(
;
W[lq]
(
;
B[jq]
(
;
W[kp]
;
B[kr]
C[RIGHT
CHOICE]
)
(
;
W[lr]
(
;
B[ls]
;
W[kp]
;
B[kr]
C[RIGHT
CHOICE]
)
(
;
B[kp]
;
W[ls]
)
(
;
B[ks]
;
W[kr]
;
B[kp]
;
W[ls]
)
(
;
B[lo]
;
W[kp]
)
)
)
(
;
B[lo]
;
W[lr]
)
(
;
B[jp]
;
W[kp]
)
)
(
;
W[lo]
C[See problem 1505.]
)
(
;
W[kp]
;
B[lo]
(
;
W[lq]
;
B[mo]
)
(
;
W[mo]
;
B[ln]
;
W[lq]
;
B[mn]
)
)
)
(
;
B[jq]
;
W[lr]
(
;
B[lp]
;
W[kp]
(
;
B[lo]
;
W[lq]
)
(
;
B[lq]
;
W[lo]
)
(
;
B[ls]
;
W[kr]
(
;
B[lo]
;
W[lq]
)
(
;
B[lq]
;
W[lo]
)
)
)
(
;
B[ks]
;
W[kr]
(
;
B[lp]
;
W[kp]
(
;
B[lo]
;
W[lq]
)
(
;
B[lq]
;
W[lo]
)
)
(
;
B[kp]
;
W[lp]
)
)
(
;
B[kp]
;
W[lp]
)
(
;
B[ls]
;
W[kr]
(
;
B[lp]
;
W[kp]
(
;
B[lo]
;
W[lq]
)
(
;
B[lq]
;
W[lo]
)
)
(
;
B[kp]
;
W[lp]
)
)
(
;
B[lq]
;
W[lp]
)
)
(
;
B[lq]
;
W[lp]
)
(
;
B[kr]
;
W[jq]
)
(
;
B[kp]
;
W[lp]
)
)