(;AB[pd]AB[pf]AB[nq]AB[kq]AB[dq]AB[co]AB[ce]AB[cf]AB[bc]AB[cb]AW[iq]AW[qq]AW[qn]AW[nc]AW[kd]AW[dc]AW[ed]AW[df]AW[dg]AW[ch]C[Black to play.]LB[qj:a]LB[gq:b]LB[ck:c]LB[pb:d]AP[goproblems]
(;B[qj]C[this is a big point, but not urgent.];W[fq]C[White gets a comfortable extension here.])
(;B[pb];W[fq]C[W happy to play here])
(;B[ck];W[fq])
(;B[gq]C[good. Keeping W on the run will give you the chance to play the big points as W runs away.];W[io]C[Now W has to run or sacrifice.RIGHT]))