Problem 14590 goproblems.com


Author	sacapof	Created	2011-03-03
Difficulty	6 dan (history)	Source	boredom
AVG solve time	86 sec	Stars	4 (2 votes)
User attempts	75 / 302	Collections	Corner based
Genre	life and death ⓢ	Your attempts	N/A
Similar problems
Created	2011-03-03
Source	boredom
Stars	4 (2 votes)
Collections	Corner based
Your attempts	N/A

(;AW[rr]AW[ro]AW[qo]AW[po]AW[oo]AW[np]AW[mp]AW[mq]AW[kq]AW[kr]AB[lr]AB[nr]AB[nq]AB[op]AB[pr]C[white to kill]AB[rq]AP[goproblems] (;W[qq];B[qr] (;W[rp];B[pq] (;W[sq];B[os]) (;W[pp];B[sq];W[sr];B[qp]C[ko])) (;W[sq];B[pq] (;W[qs];B[mr] (;W[ls]C[RIGHT];B[qp] (;W[sp];B[pp];W[rp];B[or] (;W[ms] (;B[ps];W[ns]C[RIGHT]) (;B[ns];W[ps];B[os];W[ss]C[RIGHT])) (;W[ps];B[os];W[ms];B[rs])) (;W[rp];B[pp];W[os];B[or];W[ps];B[ns];W[rs];B[sr]C[ko])) (;W[os];B[qp] (;W[sp];B[pp] (;W[rp];B[or];W[ps];B[ns]) (;W[ps];B[or];W[rp];B[ns])) (;W[rp];B[ps] (;W[ss] (;B[qq];W[sr]C[RIGHT]) (;B[rs];W[qq];B[pp];W[or]C[double ko, not as good as an unconditional kill since it gives black unlimited amount of ko threats];B[rq];W[qs])) (;W[pp]C[RIGHT]) (;W[sr]C[RIGHT]) (;W[sp]C[RIGHT]))) (;W[pp]C[RIGHT])) (;W[rp];B[os]) (;W[pp]C[RIGHT]) (;W[oq];B[pp] (;W[mr];B[qs];W[os];B[or];W[ns];B[qp];W[rp];B[sr] (;W[ss];B[rs];W[qq]C[ko]) (;W[qq]C[ko])) (;W[qs];B[mr];W[os];B[or];W[ps];B[ns])) (;W[os]C[RIGHT]) (;W[ms]C[RIGHT]) (;W[ls]C[RIGHT]) (;W[mr]C[RIGHT]))) (;W[sq] (;B[qr] (;W[qq];B[pq] (;W[qs];B[mr] (;W[ls]C[RIGHT];B[qp] (;W[sp];B[pp];W[rp];B[or] (;W[ms] (;B[ps];W[ns]C[RIGHT]) (;B[ns];W[ps];B[os];W[ss]C[RIGHT])) (;W[ps];B[os];W[ms];B[rs])) (;W[rp];B[pp];W[os];B[or];W[ps];B[ns];W[rs];B[sr]C[ko])) (;W[os];B[qp] (;W[sp];B[pp] (;W[rp];B[or];W[ps];B[ns]) (;W[ps];B[or];W[rp];B[ns])) (;W[rp];B[ps] (;W[ss] (;B[qq];W[sr]C[RIGHT]) (;B[rs];W[qq];B[pp];W[or]C[double ko, not as good as an unconditional kill since it gives black unlimited amount of ko threats];B[rq];W[qs])) (;W[pp]C[RIGHT]) (;W[sr]C[RIGHT]) (;W[sp]C[RIGHT]))) (;W[pp]C[RIGHT])) (;W[rp];B[os]) (;W[pp]C[RIGHT]) (;W[oq];B[pp] (;W[mr];B[qs];W[os];B[or];W[ns];B[qp];W[rp];B[sr] (;W[ss];B[rs];W[qq]C[ko]) (;W[qq]C[ko])) (;W[qs];B[mr];W[os];B[or];W[ps];B[ns])) (;W[os]C[RIGHT]) (;W[ms]C[RIGHT]) (;W[ls]C[RIGHT]) (;W[mr]C[RIGHT])) (;W[sr];B[os];W[oq];B[pp]) (;W[rp];B[os] (;W[qs] (;B[mr];W[oq]C[RIGHT]) (;B[qq];W[mr];B[sr];W[ss];B[ps]C[RIGHT])) (;W[mr];B[qs];W[oq];B[qq];W[pp];B[sr];W[ss];B[rs];W[sr];B[sp];W[sr]C[RIGHT]) (;W[qq];B[oq]) (;W[oq]C[RIGHT]) (;W[pp];B[oq])) (;W[sp];B[os];W[oq];B[pp])) (;B[qq] (;W[sp]C[RIGHT]) (;W[rp]C[RIGHT]) (;W[sr];B[os];W[mr];B[qr];W[qs];B[sp];W[rp]C[RIGHT]))) (;W[qr];B[qq];W[sq];B[sp];W[sr];B[rp];W[pq];B[pp];W[so];B[oq];W[qp];B[pq]) (;W[rp];B[sq];W[qq];B[qr] (;W[sp];B[pq];W[pp]) (;W[sr];B[pq];W[pp];B[qp]C[ko])))