(;AB[ir]AB[hr]AB[hs]AB[js]AB[gs]AB[gr]AB[fs]AB[fr]AB[es]AB[er]AB[ks]AB[kr]AB[lr]AB[ls]AB[mr]AB[ms]AB[nr]AB[ns]AW[dr]AW[cr]AW[cs]AW[dq]AW[eq]AW[fq]AW[gq]AW[hq]AW[jq]AW[iq]AW[kq]AW[lq]AW[mq]AW[nq]AW[oq]AW[or]AW[pr]AW[ps]AB[bs]AB[br]AB[bq]AB[cq]AB[cp]AB[dp]AB[ep]AB[fp]AB[gp]AB[hp]AB[ip]AB[jp]AB[kp]AB[lp]AB[mp]AB[np]AB[op]AB[pp]AB[pq]AB[qq]AB[qr]AB[qs]AW[jr]AW[as]AW[ar]AW[aq]AW[ap]AW[ao]AW[an]AW[bn]AW[bo]AW[cn]AW[co]AW[do]AW[dn]AW[en]AW[eo]AW[fn]AW[fo]AW[gn]AW[go]AW[hn]AW[ho]AW[qo]AW[po]AW[no]AW[oo]AW[mo]AW[lo]AW[ko]AW[jo]AW[io]AW[in]AW[jn]AW[kn]AW[mn]AW[ln]AW[nn]AW[on]AW[pn]AW[qn]AW[rn]AW[ro]AW[rp]AW[rq]AW[rr]AW[rs]AW[sn]AW[so]AW[sp]AW[sq]AW[sr]AW[ss]AB[am]AB[bm]AB[cm]AB[dm]AB[em]AB[fm]AB[hm]AB[gm]AB[im]AB[jm]AB[km]AB[lm]AB[mm]AB[nm]AB[om]AB[pm]AB[qm]AB[rm]AB[sm]AB[al]AB[bl]AB[cl]AB[dl]AB[el]AB[fl]AB[gl]AB[il]AB[hl]AB[jl]AB[kl]AB[ll]AB[ml]AB[nl]AB[ol]AB[ql]AB[pl]AB[rl]AB[sl]AW[aj]AW[bj]AW[bk]AW[cj]AW[ck]AW[dk]AW[dj]AW[ej]AW[ek]AW[fj]AW[fk]AW[gj]AW[gk]AW[sj]AW[rj]AW[rk]AW[qj]AW[qk]AW[pj]AW[pk]AW[oj]AW[ok]AW[nj]AW[nk]AW[mj]AW[mk]AW[lj]AW[lk]AW[kj]AW[kk]AW[jj]AW[jk]AW[ij]AW[ik]AW[hj]AW[hk]AB[ai]AB[bi]AB[ci]AB[di]AB[fi]AB[ei]AB[gi]AB[hi]AB[ii]AB[ji]AB[ki]AB[li]AB[mi]AB[ni]AB[oi]AB[pi]AB[qi]AB[ri]AB[si]AB[ah]AB[bh]AB[ch]AB[dh]AB[eh]AB[fh]AB[gh]AB[hh]AB[ih]AB[jh]AB[kh]AB[lh]AB[mh]AB[nh]AB[oh]AB[ph]AB[qh]AB[rh]AB[sh]AW[af]AW[bf]AW[bg]AW[cf]AW[cg]AW[df]AW[dg]AW[ef]AW[eg]AW[gf]AW[ff]AW[fg]AW[gg]AW[hf]AW[hg]AW[if]AW[ig]AW[jf]AW[jg]AW[kg]AW[kf]AW[lf]AW[lg]AW[nf]AW[mf]AW[mg]AW[ng]AW[of]AW[og]AW[pf]AW[pg]AW[qf]AW[qg]AW[rf]AW[rg]AW[sf]AB[ae]AB[be]AB[ce]AB[de]AB[ee]AB[fe]AB[ge]AB[he]AB[ie]AB[je]AB[le]AB[ke]AB[me]AB[ne]AB[oe]AB[pe]AB[qe]AB[re]AB[se]AB[ad]AB[bd]AB[cd]AB[dd]AB[ed]AB[fd]AB[gd]AB[hd]AB[jd]AB[id]AB[kd]AB[md]AB[ld]AB[nd]AB[od]AB[pd]AB[qd]AB[sd]AB[rd]AB[ac]AB[ab]AB[bb]AB[bc]AB[cb]AB[cc]AB[db]AB[dc]AB[eb]AB[ec]AB[fb]AB[fc]AB[gb]AB[gc]AB[hc]AB[hb]AB[ib]AB[ic]AB[jb]AB[jc]AB[kb]AB[kc]AB[lb]AB[lc]AB[mb]AB[mc]AB[nb]AB[nc]AB[ob]AB[oc]AB[pb]AB[pc]AB[qb]AB[qc]AB[rb]AB[rc]AB[sb]AB[sc]AW[ba]AW[ca]AW[da]AW[fa]AW[ea]AW[ga]AW[ha]AW[ia]AW[ja]AW[ka]AW[la]AW[ma]AW[na]AW[oa]AW[pa]AW[qa]AW[ra]C[Black to fill the dame. Chinese rules. No komi.
Note: Please recall the game Iyama Yuta vs Chen Yaoye.
If you solve this, then you are stronger than Iyama! lol]AP[goproblems]
(;B[is]LB[is:1]C[Well done! Black wins!RIGHT])
(;B[ds];W[is])
(;B[os];W[is])
(;B[bp];W[qp])
(;B[qp];W[bp])
(;B[ak];W[sk])
(;B[sk];W[ak])
(;B[ag];W[sg])
(;B[sg];W[ag])
(;B[aa];W[sa])
(;B[sa];W[aa]))