Problem | 4764 |
Created | 2004-07-06 |
Source | KGS, WuQingyuan vs pinger |
Rating | |
Difficulty | 12.1 kyu |
Average Solve Time | 59 secs |
User Attempts |
2368 / 6631 |
Solve Ratio Rating | 5 kyu |
| rating history |
Another tripod group variation.
White has gotten the marked stones in sente, thanks to a black invasion on the right side. How should she now attack the corner?
Thanks to Gognomen for the idea, though he may not realize it.
(;AW[qo]AW[pq]AB[pr]AB[qq]AB[rq]AW[qp]AW[oq]AW[or]AB[qs]AW[qm]AW[rm]AW[ql]AB[rl]AB[rk]AB[qk]AB[qj]AW[pk]AW[pj]AW[oj]TR[rm]TR[qm]TR[ql]AW[ol]AP[goproblems]
(;W[rr];B[sr]
(;W[rs];B[rp]
(;W[sp];B[ro]
(;W[so];B[sn]
(;W[rn]C[RIGHT])
(;W[sm];B[rn]))
(;W[rn];B[so])
(;W[sn];B[so]))
(;W[ro];B[sp]))
(;W[rp];B[rs]))
(;W[rp];B[rr])
(;W[os];B[sr]
(;W[rs];B[rp]
(;W[sp];B[ro]
(;W[so];B[sn]
(;W[rn]C[RIGHT])
(;W[sm];B[rn]))
(;W[rn];B[so]))
(;W[ro];B[sp])
(;W[rr];B[sp])
(;W[ps];B[qr]
(;W[sp];B[ro]
(;W[so];B[sn]
(;W[rn]C[Not the cleanest solution, since the marked exchange is unnecessary, but it works.RIGHT]TR[ps]TR[qr])
(;W[sm];B[rn]))
(;W[rn];B[so]))
(;W[ro];B[sp])))
(;W[rr];B[rs])
(;W[rp];B[rs])
(;W[ps];B[qr]
(;W[rs];B[rp]
(;W[sp];B[ro]
(;W[so];B[sn]
(;W[rn]TR[ps]TR[qr]C[The marked exchange is unnecessary, but it works.RIGHT])
(;W[sm];B[rn]))
(;W[rn];B[so])
(;W[sm];B[so]))
(;W[ro];B[sp]))
(;W[rp];B[rs])))
(;W[sr];B[rr]C[See problem 4758 for the continuation.])
(;W[rs];B[rr])
(;W[qr];B[rr]))
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