invalid problem set
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Problem | 6409 |
Created | 2005-04-23 |
Source | IGS Petershy 6d vs Joey 6d |
Rating | |
Difficulty | 7.4 kyu |
Average Solve Time | 59 secs |
User Attempts |
914 / 3788 |
Solve Ratio Rating | 3 kyu |
| rating history |
Black to play the best endgame in the lower right corner. Sente doesn't matter.
(;SZ[19]AW[mk]AW[ml]AW[nl]AW[ol]AW[pl]AW[ql]AW[om]AW[qm]AW[on]AW[qn]AW[rn]AW[ro]AW[qp]AW[qq]AW[qr]AW[ps]AW[qs]AW[rs]AB[oi]AB[ri]AB[lj]AB[mj]AB[oj]AB[rj]AB[lk]AB[nk]AB[ok]AB[pk]AB[qk]AB[ll]AB[rl]AB[lm]AB[mm]AB[rm]AB[nn]AB[pn]AB[no]AB[po]AB[qo]AB[np]AB[pp]AB[pq]AB[or]AB[pr]AB[rr]AB[os]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.50]PW[White]PB[Black]
(;B[sn];W[sr]
(;B[rq];W[rp])
(;B[sq];W[rq])
(;B[so];W[sp])
(;B[sp];W[so]
(;B[rq];W[rp])
(;B[rp];W[rq])))
(;B[rq];W[rp]
(;B[sr];W[sn];B[sp]C[ A sekiRIGHT])
(;B[sn];W[sr])
(;B[sp];W[sr])
(;B[sq];W[sp]
(;B[sr];W[sn])
(;B[sn];W[sr])))
(;B[rp];W[rq]
(;B[sn];W[sp])
(;B[sp];W[sq]))
(;B[sr];W[rq]
(;B[sq];W[sp])
(;B[sp];W[sq];B[sn];W[rp]
(;B[so];W[sm])
(;B[sm];W[so]))
(;B[sn];W[sp]))
(;B[sq];W[rq]
(;B[sr];W[sp])
(;B[sp];W[sr])
(;B[sn];W[sp]))
(;B[sp];W[rq]
(;B[sn];W[so])
(;B[rp];W[so])
(;B[sr];W[sq];B[sn];W[rp]
(;B[so];W[sm])
(;B[sm];W[so]))))
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