(;AW[fa]AW[na]AW[fb]AW[nb]AW[fc]AW[nc]AW[fd]AW[nd]AW[ee]AW[fe]AW[ne]AW[oe]AW[af]AW[bf]AW[cf]AW[df]AW[ef]AW[of]AW[pf]AW[qf]AW[rf]AW[sf]AW[an]AW[bn]AW[cn]AW[dn]AW[en]AW[nn]AW[on]AW[pn]AW[qn]AW[rn]AW[sn]AW[eo]AW[fo]AW[no]AW[fp]AW[np]AW[fq]AW[nq]AW[fr]AW[nr]AW[fs]AW[ns]AB[aa]AB[ba]AB[ca]AB[da]AB[ha]AB[la]AB[oa]AB[pa]AB[qa]AB[ra]AB[sa]AB[ab]AB[bb]AB[db]AB[eb]AB[hb]AB[lb]AB[ob]AB[pb]AB[rb]AB[sb]AB[ac]AB[ec]AB[hc]AB[lc]AB[oc]AB[sc]AB[ad]AB[bd]AB[dd]AB[ed]AB[hd]AB[ld]AB[od]AB[pd]AB[rd]AB[sd]AB[ae]AB[be]AB[ce]AB[de]AB[ge]AB[me]AB[pe]AB[qe]AB[re]AB[se]AB[ff]AB[nf]AB[eg]AB[gg]AB[mg]AB[og]AB[ah]AB[bh]AB[ch]AB[dh]AB[ph]AB[qh]AB[rh]AB[sh]AB[al]AB[bl]AB[cl]AB[nl]AB[ol]AB[pl]AB[ql]AB[rl]AB[sl]AB[dm]AB[em]AB[fm]AB[mm]AB[gn]AB[mn]AB[ao]AB[bo]AB[co]AB[do]AB[go]AB[lo]AB[po]AB[qo]AB[ro]AB[ap]AB[bp]AB[dp]AB[ep]AB[gp]AB[lp]AB[pp]AB[rp]AB[sp]AB[aq]AB[eq]AB[hq]AB[lq]AB[oq]AB[sq]AB[ar]AB[br]AB[dr]AB[er]AB[hr]AB[lr]AB[or]AB[pr]AB[rr]AB[sr]AB[as]AB[bs]AB[cs]AB[ds]AB[es]AB[hs]AB[ls]AB[ps]AB[qs]AB[rs]AB[ss]LB[cc:A]LB[qc:A]LB[cq:A]LB[qq:A]C[Please play at A in the corner in which you think white can win the capturing race.FORCE] (;W[cq];B[gs]LB[dq:A]C[You're going to lose! Continue on to see why!FORCE];W[dq];B[gr]LB[cr:A]C[FORCE];W[cr];B[gq]LB[bq:A]C[FORCE];W[bq];B[cp]LB[cq:A]C[FORCE];W[cq];B[fn]LB[dq:A]C[FORCE];W[dq];B[cm]LB[cr:A]C[FORCE];W[cr];B[bq]LB[cq:A]C[FORCE];W[cq];B[bm]C[Black had a 5 space big eye worth 8 liberties. White only had 7 liberties. White has wasted 8 of the 9 ko threats she had in this corner.]) (;W[qq];B[ms]LB[pq:A]C[You're going to lose! Continue on to see why!FORCE];W[pq];B[mr]LB[qr:A]C[FORCE];W[qr];B[mq]LB[rq:A]C[FORCE];W[rq];B[mp]LB[os:A]C[FORCE];W[os];B[mo]LB[op:A]C[FORCE];W[op];B[nm]LB[oo:A]C[FORCE];W[oo];B[om]LB[so:A]C[FORCE];W[so];B[qp]LB[qq:A]C[FORCE];W[qq];B[pm]LB[pq:A]C[FORCE];W[pq];B[qm]LB[qr:A]C[FORCE];W[qr];B[rq]LB[qq:A]C[FORCE];W[qq];B[rm]C[Liberties between white and the big eye group act in black's favour, but not white's, as she must fill all of them before forcing black to play inside the big eye. Black had a 5 space big eye with 8 internal and 4 external liberties. White only had 11 liberties. White has wasted 12 of the 13 ko threats she had in this corner.]) (;W[qc]C[Good job! See continuation for proof!RIGHT];B[ma]LB[pc:A]C[FORCERIGHT];W[pc];B[mb]LB[qb:A]C[FORCE];W[qb];B[mc]LB[rc:A]C[FORCE];W[rc];B[qd]LB[qc:A]C[FORCE];W[qc];B[md]LB[pc:A]C[FORCE];W[pc];B[pg]LB[qb:A]C[FORCE];W[qb];B[rc]LB[qc:A]C[FORCE];W[qc];B[qg]LB[pc:A]C[FORCE];W[pc]C[ Black had a 5 space big eye worth 8 liberties, white had 8 liberties; first to play won. Black has wasted 8 of the 10 ko threats he had.RIGHT]) (;W[cc];B[ga]LB[dc:A]C[You're going to lose! Continue on to see why!FORCE];W[dc];B[gb]LB[cd:A]C[FORCE];W[cd];B[gc]LB[bc:A]C[FORCE];W[bc];B[gd]LB[ea:A]C[FORCE];W[ea];B[cb]LB[cc:A]C[FORCE];W[cc];B[dg]LB[dc:A]C[FORCE];W[dc];B[cg]LB[cd:A]C[FORCE];W[cd];B[bc]LB[cc:A]C[FORCE];W[cc];B[bg]C[The liberty at e19 works in black's favour, but not white's, as she must fill it before forcing black to play inside the big eye. Black had a 5 space big eye with 8 internal liberties and 1 external. White only had 8 liberties. White has wasted 9 of the 10 ko threats she had in this corner.]))