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7 dan
You are playing atari go, in which the person who makes the first capture wins! At 285 moves, this is one of the longest problems! There are many, many, many variations, and I know I didn't get them all, so please forgive me.
Add / View flags -1
Author
asdf
Created
2008-06-06
Difficulty
7 dan (
history
)
Source
N/A
AVG solve time
197 sec
Stars
1.5 (
10 votes
)
User attempts
70 / 336
Collections
Fun
Genre
life and death
Your attempts
N/A
Similar problems
Created
2008-06-06
Source
N/A
Stars
1.5 (
10 votes
)
Collections
Fun
Your attempts
N/A
Problem flags
Problem stars
(;AB[ar]AB[as]AW[br]AW[bs]AB[aq]AB[aa]AB[ba]AB[sa]AB[sb]AB[ii]AB[kj]AB[jk]AB[ik]AW[jj]AB[ss]AB[rs]AB[ki]AB[cs]AB[cr]AW[bq]AB[ap]AB[cc]AB[dc]AB[qc]AB[qd]AB[qq]AB[pq]AB[eq]AB[ep]AB[ee]AB[fe]AB[oo]AB[ca]AB[ec]AB[sc]AB[qs]AB[cq]AW[bp]AB[ao]AB[oq]AB[no]AB[eo]AB[ge]AW[bb]AW[rb]AW[rr]AW[dr]AW[dd]AW[pd]AB[qe]AB[oe]AB[of]AB[og]AW[pp]AW[fp]AW[ff]AW[nf]AB[mm]AB[lm]AB[mo]AB[km]AW[ll]AW[nn]AB[go]AB[gn]AB[gm]AB[gg]AB[hg]AB[ig]AB[mg]AB[mh]AB[mi]AW[hn]AW[hh]AW[lh]AB[il]AP[goproblems] (;W[bo];B[an];W[bn];B[am];W[bm];B[al];W[bl];B[ak];W[bk];B[aj];W[bj];B[ai];W[bi];B[ah];W[bh];B[ag];W[bg];B[af];W[bf];B[ae];W[be];B[ad];W[bd];B[ac];W[bc];B[ab];W[cb];B[da];W[db];B[ea];W[eb];B[fa];W[fb];B[ga];W[gb];B[ha];W[hb];B[ia];W[ib];B[ja];W[jb];B[ka];W[kb];B[la];W[lb];B[ma];W[mb];B[na];W[nb];B[oa];W[ob];B[pa];W[pb];B[qa];W[qb];B[ra];W[rc];B[sd];W[rd];B[se];W[re];B[sf];W[rf];B[sg];W[rg];B[sh];W[rh];B[si];W[ri];B[sj];W[rj];B[sk];W[rk];B[sl];W[rl];B[sm];W[rm];B[sn];W[rn];B[so];W[ro];B[sp];W[rp];B[sq];W[rq];B[sr];W[qr];B[ps];W[pr];B[os];W[or];B[ns];W[nr];B[ms];W[mr];B[ls];W[lr];B[ks];W[kr];B[js];W[jr];B[is];W[ir];B[hs];W[hr];B[gs];W[gr];B[fs];W[fr];B[es];W[er];B[ds];W[dq];B[cp];W[dp];B[co];W[do];B[cn] (;W[dn];B[cm];W[dm];B[cl];W[dl];B[ck];W[dk];B[cj];W[dj];B[ci];W[di];B[ch];W[dh];B[cg];W[dg];B[cf];W[df];B[ce];W[de];B[cd];W[ed];B[fc];W[fd];B[gc];W[gd];B[hc] (;W[hd];B[ic];W[id];B[jc];W[jd];B[kc];W[kd];B[lc];W[ld];B[mc];W[md];B[nc];W[nd];B[oc];W[od];B[pc];W[pe];B[qf];W[pf];B[qg];W[pg];B[qh] (;W[ph];B[qi];W[pi];B[qj];W[pj];B[qk];W[pk];B[ql];W[pl];B[qm];W[pm];B[qn];W[pn];B[qo];W[po];B[qp];W[op];B[nq];W[np];B[mq];W[mp];B[lq] (;W[lp];B[kq];W[kp];B[jq];W[jp];B[iq];W[ip];B[hq];W[hp];B[gq];W[gp];B[fq];W[fo];B[en];W[fn];B[em];W[fm];B[el] (;W[fl];B[ek];W[fk];B[ej];W[fj];B[ei];W[fi];B[eh];W[fh];B[eg];W[fg];B[ef];W[gf];B[he];W[hf];B[ie];W[if];B[je] (;W[jf];B[ke];W[kf];B[le];W[lf];B[me] (;W[mf];B[ne];W[ng];B[oh];W[nh];B[oi];W[ni];B[oj] (;W[nj];B[ok];W[nk];B[ol];W[nl];B[om] (;W[nm];B[on];W[mn];B[lo];W[ln];B[ko];W[kn];B[jo];W[jn];B[io];W[in];B[ho];W[hm];B[gl];W[hl];B[gk];W[hk];B[gj];W[hj];B[gi];W[hi];B[gh];W[ih];B[jg];W[jh];B[kg] (;W[kh];B[lg];W[li];B[mj] (;W[lj];B[mk] (;W[lk];B[ml];W[kl];B[jm];W[jl];B[im] (;W[kk] (;B[ij];W[ji]C[RIGHT]) (;B[ji];W[ij]C[RIGHT])) (;W[ij] (;B[ji];W[kk]C[RIGHT]) (;B[kk];W[ji]C[RIGHT])) (;W[ji] (;B[ij];W[kk]C[RIGHT]) (;B[kk];W[ij]C[RIGHT]))) (;W[kk];B[ji];W[ij]C[RIGHT]) (;W[ji]C[RIGHT]) (;W[ij];B[ji];W[kk]C[RIGHT]) (;W[ml];B[lk];W[kk]C[RIGHT])) (;W[ij];B[ji];W[lj]C[RIGHT])) (;W[lg];B[kh];W[li];B[mj];W[lj];B[mk] (;W[ml]C[RIGHT]) (;W[lk];B[ml];W[kl];B[jm];W[jl];B[im];W[ij];B[ji];W[kk]C[RIGHT]))) (;W[on];B[nm];W[mn];B[lo];W[ln];B[ko];W[kn];B[jo] (;W[io];B[jn];W[jm]C[RIGHT]) (;W[jn];B[io] (;W[ho]C[RIGHT]) (;W[in];B[ho];W[hm];B[gl];W[hl];B[gk];W[hk];B[gj];W[hj];B[gi];W[hi];B[gh];W[ih];B[jg] (;W[ji];B[ij];W[jh];B[kg];W[lg];B[kh];W[li];B[mj] (;W[lj]C[RIGHT] (;B[mk];W[kk]C[RIGHT]) (;B[kk];W[mk]C[RIGHT])) (;W[mk];B[lj];W[kk]C[RIGHT])) (;W[ij];B[ji];W[jh];B[kg] (;W[lg];B[kh];W[li];B[mj] (;W[lj];B[kk];W[mk]C[RIGHT]) (;W[mk];B[lj] (;W[kk]C[RIGHT]) (;W[lk];B[kk] (;W[kl];B[jm];W[jl];B[im];W[ml]C[RIGHT]) (;W[jl];B[kl];W[jm]C[seki ]) (;W[jm];B[kl]C[seki]) (;W[im];B[kl] (;W[ml];B[jm]) (;W[jm]C[seki])) (;W[ml];B[kl];W[jm]C[seki])))) (;W[kh];B[lg];W[li];B[mj];W[lj] (;B[kk];W[mk]C[RIGHT]) (;B[mk] (;W[kk]C[RIGHT]) (;W[lk];B[ml] (;W[kl] (;B[jm] (;W[jl];B[im];W[kk]C[RIGHT]) (;W[kk]C[RIGHT])) (;B[kk] (;W[jm]C[RIGHT]) (;W[jl] (;B[im];W[jm]C[RIGHT]) (;B[jm];W[im]C[RIGHT])))) (;W[kk]C[RIGHT]))))))))) (;W[ok];B[nj];W[mj];B[nk];W[li]C[RIGHT])) (;W[ne];B[mf];W[ng];B[oh];W[nh];B[oi];W[ni];B[oj];W[ok];B[nj];W[mj];B[nk];W[li]C[RIGHT])) (;W[ke];B[jf];W[jg];B[kf];W[ih]C[RIGHT])) (;W[ek];B[fl];W[gl];B[fk];W[hm]C[RIGHT])) (;W[kq];B[lp];W[lo];B[kp];W[mn]C[RIGHT])) (;W[qi];B[ph];W[oh];B[pi];W[ng]C[RIGHT])) (;W[ic];B[hd];W[he];B[id];W[gf]C[RIGHT])) (;W[cm];B[dn];W[en] (;B[dm];W[fo]C[RIGHT]) (;B[fo];W[dm]C[RIGHT]))) (;W[bn];B[ij]C[oops, can't net]))