(
;
FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.35]
AW[cd][cc][dc][de][cg][dq][po][pn][qn][qj][oj]
AB[qh][qd][oc][ce][dd][ed][do][nq][pq][qp][qo]
C[Is it possible to capture the white stone in a ladder at A? If not, please play at B.]
LB[df:A][jd:B]
TR[de]
GN[goproblem1520]
(
;
B[jd]
C[RIGHT
The ladder does not work.]
)
(
;
B[df]
;
W[ee]
;
B[fe]
;
W[ef]
;
B[eg]
;
W[ff]
;
B[gf]
;
W[fg]
;
B[fh]
;
W[gg]
;
B[hg]
;
W[gh]
;
B[gi]
;
W[hh]
;
B[ih]
;
W[hi]
;
B[hj]
;
W[ii]
;
B[ji]
;
W[ij]
;
B[ik]
;
W[jj]
;
B[kj]
;
W[jk]
;
B[jl]
;
W[kk]
;
B[lk]
;
W[kl]
;
B[km]
;
W[ll]
;
B[ml]
;
W[lm]
;
B[ln]
;
W[mm]
;
B[nm]
;
W[mn]
;
B[mo]
;
W[nn]
;
B[on]
;
W[no]
(
;
B[oo]
;
W[np]
(
;
B[mp]
;
W[op]
C[The ladder fails.]
)
(
;
B[op]
;
W[mp]
C[The ladder fails.]
)
)
(
;
B[np]
;
W[oo]
C[The ladder fails.]
)
)
)