(;AW[cd]AW[ec]AW[bg]AW[ch]AW[dg]AB[bh]AB[bi]AB[cj]AB[dl]AB[cn]AB[bp]AB[cq]AB[cr]AB[ds]AB[er]AB[fs]AW[gs]AW[gr]AW[fq]AW[dq]AW[dp]AW[en]AW[em]AW[el]AW[fl]AW[ej]AW[ei]AB[fh]AB[fi]AB[fj]AB[gk]AB[gl]AB[gm]AB[fm]AB[hk]AB[ik]AB[hm]AB[im]AB[jm]AB[km]AW[hl]AW[jl]AW[il]AW[kl]AW[jk]AW[ij]AW[hj]AW[gi]AW[gg]AW[hg]AW[he]AW[hc]AW[gc]AW[gb]AB[hb]AB[ib]AB[jc]AB[kb]AB[lb]AB[lc]AW[mb]AW[mc]AW[ld]AW[kd]AW[kc]AB[je]AB[ke]AB[le]AB[kf]AB[kg]AB[lg]AB[ig]AB[mh]AB[mi]AB[mj]AB[lj]AB[kj]AB[jj]AW[lh]AW[li]AW[mg]AW[mf]AW[lf]AW[me]AW[nd]AW[oe]AW[of]AB[nf]AW[ng]AW[nh]AW[ni]AW[oi]AW[pi]AW[nj]AW[nk]AW[mk]AW[ml]AW[ll]AB[ln]AB[mn]AW[lm]AB[mm]AW[kn]AW[ko]AW[lp]AW[lq]AW[mr]AB[nr]AB[ns]AB[or]AW[os]AW[ps]AW[pr]AW[qr]AW[qq]AW[rq]AW[rp]AW[sp]AW[so]AB[rs]AB[rr]AB[sr]AB[pq]AB[pp]AB[qp]AB[qo]AB[ro]AB[rn]AB[sn]AB[po]AB[op]AB[np]AB[mp]AB[mo]AB[lo]AB[no]AB[on]AB[pm]AB[pl]AB[ol]AB[nl]AB[ok]AB[pj]AB[qj]AB[qk]AB[rj]AB[qi]AB[si]AB[rh]AB[rg]AB[rf]AB[qg]AB[ph]AB[oh]AB[og]AB[pf]AB[pe]AB[pd]AB[pc]AB[qe]AB[ob]AB[nb]AB[nc]AW[pb]AW[qb]AW[qc]AW[qd]AW[rc]AW[re]AW[se]AW[sd]AW[sf]AW[sg]AW[sh]AW[pn]AW[qn]AW[qm]AW[rm]C[White to save the marked stones.]TR[hl]TR[il]TR[jl]TR[jk]TR[kl]TR[ll]TR[lm]TR[ml]TR[mk]TR[nk]TR[nj]TR[ni]TR[oi]TR[pi]TR[nh]TR[ng]TR[mg]TR[mf]TR[lf]TR[me]TR[of]TR[oe]TR[nd]TR[kc]TR[kd]TR[ld]TR[mc]TR[mb]AP[goproblems]
(;W[ma]
(;B[na]
(;W[jd];B[id]
(;W[md]
(;B[ic]
(;W[ie];B[ja]
(;W[la]C[White wins. Black should have played K16 in stead of O19 and let white connect.RIGHT])
(;W[ha];B[la]))
(;W[oa]C[NOTTHIS]))
(;B[ie];W[ic]C[RIGHT]))
(;W[oa]C[NOTTHIS])
(;W[ic];B[md]))
(;W[oa]C[NOTTHIS])
(;W[oc]C[NOTTHIS])
(;W[od]C[NOTTHIS]))
(;B[jd]C[This is the way black should (and did) respond in the game.]
(;W[oa];B[md];W[ld]C[RIGHT])
(;W[md];B[oa])))
(;W[jd];B[id]
(;W[ma];B[md]
(;W[oa];B[ld])
(;W[ld];B[na]))
(;W[md];B[ic]
(;W[ie];B[ma])
(;W[ma];B[ie];W[oa]C[RIGHT])))
(;W[oa];B[ma]
(;W[md];B[jd])
(;W[jd];B[id]
(;W[ic];B[md])
(;W[md];B[ic])))
(;W[ji]C[NOTTHIS])
(;W[jh]C[NOTTHIS])
(;W[ki]C[NOTTHIS])
(;W[od];B[ma]
(;W[md];B[jd])
(;W[jd];B[id]
(;W[ic];B[md])
(;W[md];B[ic])))
(;W[oc];B[ma]
(;W[od];B[la];W[jd];B[id]
(;W[ic];B[md])
(;W[md];B[ic];W[ie];B[ja]))
(;W[jd];B[id]
(;W[ic];B[md])
(;W[md];B[ic];W[ie];B[la]
(;W[ja];B[od])
(;W[oa];B[od])
(;W[od];B[ja]))))
(;W[na];B[oa]
(;W[ma];B[jd])
(;W[jd];B[id];W[md];B[ic];W[ie];B[ma]))
(;W[la];B[jd]))