invalid problem set
Problem | 9237 |
Created | 2006-10-02 |
Source | Problem 9235. |
Rating | |
Difficulty | 7 dan |
Average Solve Time | 34 secs |
User Attempts |
208 / 1722 |
Solve Ratio Rating | 2 dan |
| rating history |
(;AW[ls]AW[lr]AW[lq]AW[lp]AB[kr]AB[kq]AB[kp]AB[jp]AB[ip]AB[hp]AB[gq]AB[fq]AB[fp]AB[er]AB[dq]AB[cr]AB[cp]AB[bp]AB[bo]AB[cn]AB[cm]AB[bl]AB[dl]AB[el]AB[fl]AB[fm]AB[gl]AB[hl]AW[em]AW[fn]AW[fo]AW[eo]AW[do]AW[co]AW[dp]AW[ep]AW[eq]AW[bm]AW[go]AW[gp]AW[ho]AW[io]AW[ko]AW[lo]AB[jo]AW[jn]AW[jm]AW[im]AW[gm]AW[hm]C[What can White do?]AW[hr]AW[hq]AB[gs]AB[js]AP[goproblems]
(;W[jr]C[]
(;B[ks]
(;W[fs];B[gr]
(;W[is]C[Well done! Black can't approach - White has a clean capture! =)RIGHT]MA[fs]MA[hs])
(;W[ir]C[];B[is];W[hs];B[fr]C[Seki isn't enough...])
(;W[hs];B[fr]
(;W[ir]C[Seki isn't enough...])
(;W[is];B[iq]C[:(])
(;W[iq];B[is]C[Seki isn't enough...])
(;W[jq];B[ir]C[:(]))
(;W[iq]C[Seki or Ko? An unconditional capture was possible!]))
(;W[gr];B[fs]C[(Seki or) Ko at best...]LB[is:1]LB[hs:2]LB[iq:3])
(;W[hs];B[gr]C[Seki isn't enough...])
(;W[ir];B[hs]C[Seki isn't enough...])
(;W[is];B[hs]
(;W[fs]C[Well done! Black's disconnected and dies! =)RIGHT])
(;W[gr];B[fs]C[Ko at best...]LB[iq:1])
(;W[fr];B[fs]C[Ko at best...]LB[iq:1])
(;W[ir];B[gr]C[Seki isn't enough...])
(;W[iq];B[ir]C[Ko isn't enough...]MA[is])))
(;B[ir];W[ks]
(;B[iq];W[is]C[RIGHT])
(;B[is];W[iq]C[RIGHT])
(;B[hs];W[iq]C[RIGHT])
(;B[jq];W[iq]C[RIGHT]))
(;B[hs];W[ks]
(;B[ir];W[iq]C[RIGHT])
(;B[gr];W[is]C[RIGHT]))
(;B[is];W[ks];B[ir];W[iq]C[RIGHT]))
(;W[hs];B[gr]
(;W[ks];B[ir]C[:(])
(;W[jr];B[ir]C[:(]))
(;W[ir];B[is]C[:(])
(;W[is];B[ir]C[:(])
(;W[ks];B[jr]C[:(])
(;W[fr];B[gr]C[:(]
(;W[jr];B[ir]C[:(])
(;W[ks];B[ir]C[Seki isn't enough...]))
(;W[gr];B[fr]
(;W[hs];B[ir]C[:(])
(;W[jr];B[ir]C[:(])
(;W[ks];B[ir]C[:(]))
(;W[fs];B[gr]C[Seki isn't enough...]))
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