invalid problem set
Problem | 7851 |
Created | 2005-12-30 |
Source | a book |
Rating | |
Difficulty | 9.2 kyu |
Average Solve Time | 40 secs |
User Attempts |
1719 / 5009 |
Solve Ratio Rating | 5 kyu |
| rating history |
(;AW[dq]AW[ep]AW[fq]AW[fr]AW[fs]AB[fp]AB[fo]AB[go]AB[ho]AB[io]AB[jo]AB[ko]AB[kp]AB[kq]AB[lq]AB[mq]AB[mr]AB[gq]AB[gs]AB[ir]AB[gr]AB[hr]AW[gp]AW[hp]AW[ip]AW[jp]AW[jq]AW[jr]AW[kr]AW[lr]C[black to play and win this semeai]AP[goproblems]
(;B[is]
(;W[ms]
(;B[or]
(;W[js]
(;B[ls]C[YESRIGHT])
(;B[ns];W[ls]C[seki]))
(;W[ls];B[js]C[YESRIGHT]))
(;B[ns];W[ls]
(;B[or];W[js]C[seki])
(;B[nr];W[js]C[seki]))
(;B[js];W[nr]C[white escape and and is going to kill black])
(;B[nr];W[ns]
(;B[ls]C[YESRIGHT];W[ks];B[os]C[YESRIGHT])
(;B[or];W[os]
(;B[pr]C[YESRIGHT])
(;B[ls];W[ks];B[ps]C[YESRIGHT]))
(;B[os];W[ls]C[];B[or];W[js]C[seki])
(;B[pr]C[YESRIGHT]))
(;B[ls]
(;W[ks]
(;B[ns];W[nr]C[ko])
(;B[or]C[YESRIGHT])
(;B[nr]C[YESRIGHT]))
(;W[ns];B[nr];W[ks];B[os]C[YESRIGHT]))
(;B[ks];W[js]C[seki :(]))
(;W[js];B[ls]C[YESRIGHT])
(;W[ls]
(;B[js]C[YESRIGHT])
(;B[ms];W[js]C[seki])))
(;B[js];W[is]C[ko here :(])
(;B[iq];W[is]C[rest in peace :(])
(;B[ls];W[is]
(;B[ks];W[js]C[seki])
(;B[js];W[ks]C[seki])))
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