Saw this when watching a game on KGS... thought it deserved to be in here... fairly easy i think :)
(;AB[ao]AB[ap]AB[an]AB[am]AB[bm]AB[cm]AB[bo]AB[dl]AB[el]AB[dn]AB[do]AB[eo]AB[ep]AB[fq]AB[gq]AB[gr]AB[ir]AB[jq]AB[kr]AB[lq]AB[mq]AW[aq]AW[bq]AW[bp]AW[cp]AW[co]AW[cn]AW[bn]AW[dp]AW[eq]AW[er]AW[fr]AW[ck]AW[cl]AW[bl]AW[dk]AW[dj]AW[di]AW[eh]AW[ch]AW[bi]AW[bj]AB[em]AB[fm]AB[gm]AB[fl]AB[fk]AB[fj]AB[fi]AB[fh]AW[fg]AW[gh]AW[gg]AW[gi]AW[gj]AW[gk]AW[gl]AW[hm]AW[hl]AW[il]AW[ij]AW[ii]AW[ih]AW[jj]AB[ik]AB[jk]AB[jl]AB[im]AB[in]AB[io]AB[hn]AW[fn]AW[gn]AW[fp]AW[ho]AW[hp]AW[hq]AW[hr]AB[hs]AW[ip]AW[jp]AB[kp]AB[ko]AB[kn]AB[mp]AW[lr]AB[mr]AW[ms]AW[nr]AW[np]AW[nq]AW[pq]AW[rq]AW[qq]AW[rp]AB[ro]AB[qo]AB[qp]AB[pp]AW[qn]AB[oo]AB[no]AB[pn]AB[om]AW[mo]AW[mn]AW[nm]AW[ll]AW[ol]AW[ok]AW[mk]AW[oi]AW[mi]AW[lh]AW[kh]AB[jh]AB[ji]AB[ki]AB[kj]AB[lk]AW[jg]AW[nh]AW[ng]AB[mg]AB[mf]AW[jf]AW[if]AB[ig]AB[hg]AB[hf]AB[gf]AB[ge]AB[gd]AB[hc]AB[ic]AB[ib]AB[jc]AB[id]AB[ha]AB[kb]AW[jb]AW[kc]AW[le]AW[ld]AW[lf]AW[nc]AB[nb]AB[nd]AB[oc]AB[od]AB[pd]AB[pe]AB[qe]AW[qd]AW[qc]AB[rc]AB[rd]AW[re]AW[sf]AW[oe]AW[of]AW[pf]AW[qf]AW[qg]AW[rg]AB[og]AB[oh]AB[qh]AB[pi]AB[pj]AB[pk]AB[pl]AW[ff]AW[fe]AW[fd]AB[fc]AW[gc]AW[gb]AW[hb]AW[fb]AW[eb]AW[dc]AW[dd]AW[de]AB[ef]AB[eg]AB[bh]AB[bg]AB[cf]AB[ce]AB[cd]AB[cc]AB[cb]C[Black has just played the endgame around A4 and it ended with White defending and then Black playing elsewhere... White needs to come up with something here to try and save the game! hint: Black should not have played elsewhere ;)]AW[rh]AB[ri]AB[kd]AB[je]AP[goproblems]
(;W[gp];B[gs]
(;W[fs];B[is];W[fo];B[jo]C[];W[al];B[en];W[dm]C[White gets to capture 7 stones and gets at least 5 points of territory here, a nice 12 point gain! if only that was enough to win.. but still end game left and lots of sente for White! So he has a chance.RIGHT])
(;W[fo];B[jo];W[al];B[en];W[dm]C[White gets to capture 7 stones and gets at least 5 points of territory here, a nice 12 point gain! if only that was enough to win.. but still end game left and lots of sente for White! So he has a chance.RIGHT])
(;W[al];B[dm]
(;W[fs];B[is];W[fo]MA[jo]MA[iq]TR[en]MA[ei]MA[ej]MA[ek]C[Ah liberties! Black has 3 outside liberties and 1 shared liberty... While White has 2 outside liberties, 1 shared liberty, PLUS an eye! So white wins this race.RIGHT]LB[go::)])
(;W[fo]MA[jo]MA[iq]MA[ej]MA[ei]MA[ek]TR[en]LB[go::)]C[Ah liberties! Black has 3 outside liberties and 1 shared liberty... While White has 2 outside liberties, 1 shared liberty, PLUS an eye! So white wins this race.RIGHT])))
(;W[al];B[dm]C[Uh-oh... you asked Black what he wanted to do and he felt greedy! PUNISH HIM!];W[gp];B[gs]
(;W[fs];B[is];W[fo]MA[jo]MA[iq]TR[en]MA[ei]MA[ej]MA[ek]C[Ah liberties! Black has 3 outside liberties and 1 shared liberty... While White has 2 outside liberties, 1 shared liberty, PLUS an eye! So white wins this race.RIGHT]LB[go::)])
(;W[fo]MA[jo]MA[iq]MA[ej]MA[ei]MA[ek]TR[en]LB[go::)]C[Ah liberties! Black has 3 outside liberties and 1 shared liberty... While White has 2 outside liberties, 1 shared liberty, PLUS an eye! So white wins this race.RIGHT]))
(;W[fs];B[gs];W[gp];B[is];W[fo];B[jo];W[al];B[en];W[dm]C[White gets to capture 7 stones and gets at least 5 points of territory here, a nice 12 point gain! if only that was enough to win.. but still end game left and lots of sente for White! So he has a chance.RIGHT])
(;W[fo];B[gp]C[hmmm... No more eye...];W[al];B[dm];W[ek];B[gs]C[*nods* Seems that if you don't directly threaten the stones or if you don't make an eye first then Black can save everything and all hope is lost!])
(;W[en];B[fo];W[gp];B[gs]
(;W[go];B[dm]C[Not enough liberties.])
(;W[al];B[dm]C[Not enough liberties.])
(;W[fs];B[is]
(;W[go];B[dm]C[Not enough liberties.])
(;W[al];B[dm]C[Not enough liberties.])))
(;W[go];B[fo];W[gp];B[gs]
(;W[al];B[dm]C[Not enough liberties.])
(;W[en];B[dm]C[Not enough liberties.])
(;W[fs];B[is]
(;W[en];B[dm]C[Not enough liberties.])
(;W[al];B[dm]C[Not enough liberties.]))))