(;AW[ba]AB[ca]AB[da]AB[ea]AB[fa]AB[ga]AB[ab]AB[bb]AW[cb]AB[db]AW[eb]AB[fb]AB[lb]AW[kb]AW[ib]AB[hb]AW[bc]AW[cc]AW[dc]AW[ec]AW[fc]AB[gc]AW[hc]AW[ic]AW[kc]AB[lc]AB[pc]AW[ad]AW[dd]AW[ed]AB[gd]AW[jd]AB[kd]AB[md]AW[nd]AB[rd]AW[be]AW[ee]AB[fe]AB[ke]AB[le]AW[me]AW[ne]AB[oe]AB[pe]AB[qe]AW[bf]AW[df]AB[ef]AB[ff]AB[gf]AB[hf]AB[if]AB[jf]AB[mf]AB[nf]AW[of]AW[pf]AW[qf]AB[rf]AB[sf]AW[ag]AW[bg]AW[dg]AW[eg]AW[fg]AW[gg]AW[hg]AW[ig]AW[jg]AB[kg]AB[mg]AW[ng]AW[og]AW[pg]AW[qg]AW[rg]AW[sg]AW[ch]AW[dh]AB[lh]AW[mh]AW[nh]AB[oh]AB[ph]AW[qh]AW[rh]AW[ai]AW[bi]AB[ci]AB[di]AB[ei]AB[ii]AB[ji]AB[ki]AW[li]AW[mi]AB[ni]AB[pi]AW[qi]AB[si]AB[aj]AW[bj]AB[cj]AB[dj]AB[hj]AW[ij]AW[jj]AW[kj]AW[lj]AB[mj]AB[oj]AB[qj]AW[rj]AW[sj]AB[bk]AB[ek]AW[gk]AW[hk]AB[ik]AB[jk]AW[kk]AB[lk]AB[mk]AB[nk]AB[qk]AB[rk]AB[sk]AB[al]AB[bl]AB[el]AB[fl]AW[gl]AB[hl]AB[il]AB[jl]AB[kl]AB[km]AB[lm]AW[ll]AW[ml]AW[nl]AB[ol]AB[ql]AB[qm]AB[om]AB[on]AB[pn]AW[nm]AW[nn]AW[no]AW[oo]AW[po]AB[qo]AB[rp]AW[jm]AW[kn]AW[lo]AW[jo]AW[kp]AW[in]AW[hm]AW[hn]AW[ho]AW[gm]AW[fm]AW[fn]AW[en]AW[eo]AW[dn]AB[am]AB[ao]AB[bo]AB[co]AB[do]AB[cn]AB[dm]AB[em]AW[dp]AW[cp]AW[cq]AW[bq]AB[fp]AB[ep]AB[fo]AB[go]AB[gn]AB[gp]AB[hp]AB[hq]AB[hr]AB[iq]AW[ip]AW[jq]AW[ir]AW[eq]AW[fr]AW[kr]AW[lq]AB[lr]AB[mq]AB[nq]AB[oq]AB[pq]AB[pp]AW[qp]AW[qq]AW[rq]AW[rr]AB[qr]AW[pr]AW[or]TR[ij]TR[jj]TR[kj]TR[kk]TR[lj]TR[li]TR[mi]TR[mh]TR[nh]TR[ng]TR[og]TR[of]TR[pf]TR[pg]TR[qf]TR[qg]TR[qh]TR[qi]TR[rh]TR[rg]TR[sg]MA[si]AB[fd]C[Marked black stone threatens ko on marked white stones. CAN YOU SAVE THEM?!CHOICEFORCE]AP[goproblems]
(;W[lf];B[lg]
(;W[kh]
(;B[kf];W[hi];B[gj]
(;W[ih];B[jh];W[kh]C[RIGHT])
(;W[fj]C[RIGHT]))
(;B[jh]C[CHOICE];W[hi];B[gj];W[ih];B[kh]
(;W[kf]C[RIGHT])
(;W[gi];B[kf];W[fj]C[RIGHT])
(;W[fj];B[kf];W[gi]C[RIGHT])))
(;W[hi];B[gj]
(;W[kh];B[jh]
(;W[ih]C[RIGHT];B[kh]
(;W[kf]C[RIGHT])
(;W[gi];B[kf];W[fj]C[RIGHT])
(;W[fj];B[kf];W[gi]C[RIGHT]))
(;W[fj];B[gi];W[fi];B[hh];W[gh];B[hi];W[ih]C[RIGHT])
(;W[gi]C[];B[fj];W[ih]C[RIGHT]))
(;W[fj];B[gi]
(;W[fi];B[hh]
(;W[gh];B[hi];W[kh];B[jh];W[ih]C[RIGHT])
(;W[kh];B[jh];W[gh];B[hi];W[ih]C[RIGHT]))
(;W[kh];B[jh];W[fi];B[hh];W[gh];B[hi];W[ih]C[RIGHT]))
(;W[gi];B[fj];W[kh];B[jh];W[ih]C[RIGHT])))
(;W[sh];B[ri])
(;W[ri];B[sh])
(;W[kh]
(;B[lg];W[hi];B[gj]
(;W[ih]C[RIGHT])
(;W[fj];B[gi]
(;W[fi];B[hh];W[gh];B[hi]
(;W[jh]C[RIGHT])
(;W[ih]C[RIGHT]))
(;W[ih];B[hh];W[jh];B[hi];W[fi]C[RIGHT])
(;W[jh];B[hh];W[ih];B[hi];W[fi]C[RIGHT]))
(;W[gi];B[fj]
(;W[jh]C[RIGHT])
(;W[ih]C[RIGHT]))
(;W[jh]C[RIGHT])
(;W[kf];B[lf]
(;W[ih]C[RIGHT])
(;W[jh]C[RIGHT])
(;W[gi]C[RIGHT])
(;W[fj]C[RIGHT]))
(;W[lf];B[jh]
(;W[ih]C[RIGHT])
(;W[fj];B[gi];W[fi];B[hh];W[gh];B[hi];W[ih]C[RIGHT])
(;W[gi]C[];B[fj];W[ih]C[RIGHT])))
(;B[jh]
(;W[lf];B[lg];W[hi];B[gj];W[ih];B[kh]
(;W[kf]C[RIGHT])
(;W[gi];B[kf];W[fj]C[RIGHT])
(;W[fj];B[kf];W[gi]C[RIGHT]))
(;W[hi];B[gj]
(;W[ih];B[kh];W[lf];B[lg];W[kf]C[RIGHT])
(;W[lf];B[lg]
(;W[ih];B[kh]
(;W[kf]C[RIGHT])
(;W[gi];B[kf];W[fj]C[RIGHT])
(;W[fj];B[kf];W[gi]C[RIGHT]))
(;W[gi]C[RIGHT];B[fj];W[ih]C[RIGHT])
(;W[fj];B[gi];W[fi];B[hh];W[gh];B[hi];W[ih]C[RIGHT])))))
(;W[hi];B[gj]
(;W[ih];B[kh])
(;W[kh];B[jh]
(;W[ih];B[kh];W[lf]
(;B[lg];W[kf]C[RIGHT])
(;B[kf];W[lg]MA[hl]MA[il]MA[ik]MA[jk]MA[jl]MA[kl]MA[km]MA[lm]C[If Black allows White to take these stones White has enough liberties to capture the marked group.RIGHT]))
(;W[lf]C[RIGHT]
(;B[lg];W[ih];B[kh]
(;W[kf]C[RIGHT])
(;W[gi];B[kf];W[fj]C[RIGHT])
(;W[fj];B[kf];W[gi]C[RIGHT]))
(;B[kf];W[lg]MA[hl]MA[il]MA[ik]MA[jk]MA[jl]MA[kl]MA[km]MA[lm]C[White has 4 liberties, Black's marked group only 3.RIGHT]))
(;W[gi];B[fj];W[ih];B[kh];W[lf];B[lg];W[kf]C[RIGHT])
(;W[lg];B[lf]))
(;W[gi];B[fj]
(;W[ih])
(;W[kh];B[jh]
(;W[ih];B[kh];W[lf]
(;B[lg];W[kf]C[RIGHT])
(;B[kf];W[lg]MA[hl]MA[il]MA[ik]MA[jl]MA[kl]MA[jk]MA[km]MA[lm]C[Black can try to keep White from getting two eyes, but White will simply capture the marked stones when the time comes.RIGHT]))
(;W[lf];B[lg];W[ih];B[kh];W[kf]C[RIGHT])))
(;W[fj];B[gi]
(;W[fi];B[hh]
(;W[gh];B[hi]
(;W[kh];B[jh]
(;W[ih];B[kh];W[lf];B[kf];W[lg]MA[hl]MA[il]MA[ik]MA[jk]MA[jl]MA[kl]MA[km]MA[lm]C[White has enough liberties to capture the marked stones.RIGHT])
(;W[lf];B[lg];W[ih]C[RIGHT]))
(;W[lf];B[lg];W[kh];B[jh];W[ih]C[RIGHT]))
(;W[lf];B[lg]
(;W[gh];B[hi];W[kh];B[jh];W[ih]C[RIGHT])
(;W[kh];B[jh]
(;W[gh];B[hi];W[ih]C[RIGHT])
(;W[ih];B[ri])))
(;W[kh];B[jh]
(;W[lf];B[lg];W[gh];B[hi];W[ih]C[RIGHT])
(;W[gh];B[hi]
(;W[ih];B[kh];W[lf]C[RIGHT];B[kf];W[lg]MA[hl]MA[il]MA[ik]MA[jk]MA[jl]MA[kl]MA[km]MA[lm]C[White has enough liberties to capture the marked stones.RIGHT])
(;W[lf];B[lg];W[ih]C[RIGHT]))))
(;W[lf];B[lg]
(;W[kh];B[jh];W[fi])
(;W[fi];B[hh]
(;W[gh];B[hi];W[kh];B[jh];W[ih]C[RIGHT])
(;W[kh];B[jh];W[gh])))
(;W[kh];B[jh];W[lf];B[lg];W[fi];B[hh];W[gh];B[hi];W[ih]C[RIGHT]))
(;W[lf];B[lg]
(;W[kh];B[jh]
(;W[ih]C[RIGHT])
(;W[fj];B[gi];W[fi];B[hh];W[gh];B[hi];W[ih]C[RIGHT])
(;W[gi]C[];B[fj];W[ih]C[RIGHT]))
(;W[gi];B[fj];W[kh];B[jh];W[ih]C[RIGHT])
(;W[fj];B[gi]
(;W[fi];B[hh]
(;W[gh];B[hi];W[kh];B[jh];W[ih]C[RIGHT])
(;W[kh];B[jh];W[gh]))
(;W[kh];B[jh];W[fi])))
(;W[lg];B[lf]))
(;W[lg];B[lf])
(;W[mm];B[ri]
(;W[ln];B[sh])
(;W[im];B[sh]))
(;W[im]
(;B[ri]
(;W[mm];B[sh])
(;W[ln];B[sh]))
(;B[sh]
(;W[ri];B[sh];W[si];B[sh])
(;W[mm];B[ri])))
(;W[gj];B[hi];W[gi];B[ri])
(;W[fj];B[hi])
(;W[od];B[pd];W[oc];B[ob];W[nc];B[nb];W[mc];B[mb])
(;W[se];B[re];W[sd];B[sc])
(;W[pj];B[pk])
(;W[ok];B[pk])
(;W[jh]
(;B[kh];W[hi];B[gj];W[ih];B[lf])
(;B[hi];W[kh];B[lg])))