invalid problem set
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life and death
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Problem | 6121 |
Created | 2005-03-08 |
Source | Based on a position that arose in a game on KGS |
Rating | |
Difficulty | 14.3 kyu |
Average Solve Time | 57 secs |
User Attempts |
4681 / 11601 |
Solve Ratio Rating | 7 kyu |
| rating history |
Black to kill the group on the lower side
(;SZ[19]AW[ln]AW[ho]AW[jo]AW[ko]AW[mo]AW[dp]AW[fp]AW[gp]AW[hp]AW[ip]AW[kp]AW[lp]AW[mp]AW[np]AW[cq]AW[eq]AW[gq]AW[kq]AW[nq]AW[oq]AW[er]AW[gr]AW[jr]AW[or]AW[fs]AW[os]AB[gn]AB[hn]AB[in]AB[jn]AB[kn]AB[do]AB[eo]AB[fo]AB[go]AB[io]AB[ep]AB[jp]AB[dq]AB[iq]AB[jq]AB[lq]AB[mq]AB[dr]AB[ir]AB[kr]AB[mr]AB[nr]AB[ls]AB[ms]C[CHOICE]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]
(;B[cp];W[hs]
(;B[is];W[hr])
(;B[hr]
(;W[is]C[CHOICE];B[js];W[hq]
(;B[gs]C[RIGHT])
(;B[jr]C[RIGHT]))
(;W[js]C[CHOICE]
(;B[ks]
(;W[is]C[CHOICE];B[gs]C[RIGHT])
(;W[gs]C[CHOICE];B[is]C[RIGHT]))
(;B[is];W[hq])))
(;B[js];W[hr])
(;B[hq];W[hr]))
(;B[hs];W[cp]MA[dq]MA[dr]C[Now the marked stones will die])
(;B[hr];W[cp]MA[dq]MA[dr]C[Now the marked stones will die])
(;B[is];W[cp]MA[dq]MA[dr]C[Now the marked stones will die])
(;B[js];W[cp]MA[dq]MA[dr]C[Now the marked stones will die])
(;B[cr]
(;W[hs]
(;B[hr]
(;W[js]
(;B[ks];W[gs];B[is]C[RIGHT])
(;B[is];W[hq]))
(;W[is];B[js]C[RIGHT]))
(;B[is];W[hr])
(;B[hq];W[hr])
(;B[js];W[hr]))))
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