Problem 16232 goproblems.com


Author	IlanKeshet	Created	2012-07-11
Difficulty	8 dan (history)	Source	N/A
AVG solve time	26 sec	Stars	3.67 (3 votes)
User attempts	45 / 399	Collections	Instruction Required, 4-4 (hoshi) Joseki, 3-3 (san-san) Joseki
Genre	life and death	Your attempts	N/A
Similar problems
Created	2012-07-11
Source	N/A
Stars	3.67 (3 votes)
Collections	Instruction Required, 4-4 (hoshi) Joseki, 3-3 (san-san) Joseki
Your attempts	N/A

(;AW[pp]AW[qm]AW[mq]C[Black to live unconditionally in the corner, please start by playing A]LB[qq:A]AP[goproblems];B[qq] (;W[pq]LB[qp:B]C[Now please play B];B[qp];W[qo] (;B[ro];W[rn] (;B[po];W[qn];B[pr];W[or] (;B[rr];W[ps] (;B[sp] (;W[rs] (;B[qr];W[qs] (;B[sr];W[rq]C[And if w resists?] (;B[oq];W[op] (;B[nq];W[nr];B[np];W[oo] (;B[no];W[on] (;B[ss]C[RIGHT]) (;B[mr];W[lr]C[RIGHT] (;B[os];W[ns];B[ss]C[RIGHT]) (;B[ss]C[RIGHT]))) (;B[ss]C[RIGHT]) (;B[mr];W[lr];B[ss]C[RIGHT])) (;B[ss]C[RIGHT])) (;B[ss];W[os];B[oq];W[op];B[nq];W[nr];B[np];W[oo] (;B[mr]C[RIGHT]) (;B[no];W[on];B[mr]C[RIGHT]))) (;B[oq];W[op] (;B[nq];W[nr];B[np];W[oo] (;B[sr];W[rq] (;B[no];W[on] (;B[ss]C[RIGHT]) (;B[mr];W[lr]C[RIGHT] (;B[os];W[ns];B[ss]C[RIGHT]) (;B[ss]C[RIGHT]))) (;B[ss]C[RIGHT]) (;B[mr];W[lr];B[ss]C[RIGHT])) (;B[no];W[on];B[sr];W[rq]C[And if w resists?] (;B[ss]C[RIGHT]) (;B[mr];W[lr]C[RIGHT] (;B[os];W[ns];B[ss]C[RIGHT]) (;B[ss]C[RIGHT])))) (;B[sr]C[RIGHT]))) (;B[sr];W[qs] (;B[qr]) (;B[rq]C[RIGHT]))) (;W[sn] (;B[sr];W[rp] (;B[rq];W[so] (;B[rp];W[rs];B[qr];W[qs]) (;B[qs];W[qr];B[rs];W[rp];B[pr]C[w can't connect at P1 because of the weakness at P3 (resulting in a ko there as well)RIGHT])) (;B[qs] (;W[so];B[os]C[RIGHT]) (;W[qr];B[rq];W[so];B[rs]C[Double koRIGHT];W[rp];B[pr]C[w can't connect at P1 because of the weakness at P3 (resulting in a ko there as well)RIGHT]))) (;B[rq];W[so];B[qr];W[sr];B[qs];W[ss]) (;B[rs];W[sr];B[sq];W[rp]) (;B[qs];W[qr];B[rs];W[sr]C[Only ko for life :(]))) (;B[qs];W[qr]C[Ko :(]) (;B[oq];W[qr];B[op];W[pr]) (;B[rp];W[rs];B[qr];W[qs] (;B[sr];W[nq]) (;B[sq];W[so]))) (;B[qr];W[rp];B[rq];W[so] (;B[oq];W[op];B[nq];W[nr];B[np];W[oo]C[Black is locally dead :-(]) (;B[op];W[oq]) (;B[nr];W[nq];B[os];W[oq];B[mr];W[lq];B[lr];W[kr]C[Black is dead locally :(])) (;B[oq];W[op] (;B[nq];W[qr]) (;B[rr];W[ps];B[sp];W[rs];B[qr];W[qs]))) (;B[pr];W[or] (;B[rr];W[ps] (;B[sp];W[rs] (;B[qr];W[qs] (;B[po];W[qn];B[sr];W[rq]C[And if w resists?] (;B[oq];W[op] (;B[nq];W[nr];B[np];W[oo] (;B[no];W[on] (;B[ss]C[RIGHT]) (;B[mr];W[lr]C[RIGHT] (;B[os];W[ns];B[ss]C[RIGHT]) (;B[ss]C[RIGHT]))) (;B[ss]C[RIGHT]) (;B[mr];W[lr];B[ss]C[RIGHT])) (;B[ss]C[RIGHT])) (;B[ss];W[os];B[oq];W[op];B[nq];W[nr];B[np];W[oo] (;B[mr]C[RIGHT]) (;B[no];W[on];B[mr]C[RIGHT]))) (;B[sr];W[rq]C[And if w resists?];B[po];W[qn] (;B[oq];W[op] (;B[nq];W[nr];B[np];W[oo] (;B[no];W[on] (;B[ss]C[RIGHT]) (;B[mr];W[lr]C[RIGHT] (;B[os];W[ns];B[ss]C[RIGHT]) (;B[ss]C[RIGHT]))) (;B[ss]C[RIGHT]) (;B[mr];W[lr];B[ss]C[RIGHT])) (;B[ss]C[RIGHT])) (;B[ss];W[os];B[oq];W[op];B[nq];W[nr];B[np];W[oo] (;B[mr]C[RIGHT]) (;B[no];W[on];B[mr]C[RIGHT])))) (;B[po];W[qn] (;B[qr];W[qs] (;B[sr];W[rq]C[And if w resists?] (;B[oq];W[op] (;B[nq];W[nr];B[np];W[oo] (;B[no];W[on] (;B[ss]C[RIGHT]) (;B[mr];W[lr]C[RIGHT] (;B[os];W[ns];B[ss]C[RIGHT]) (;B[ss]C[RIGHT]))) (;B[ss]C[RIGHT]) (;B[mr];W[lr];B[ss]C[RIGHT])) (;B[ss]C[RIGHT])) (;B[ss];W[os];B[oq];W[op];B[nq];W[nr];B[np];W[oo] (;B[mr]C[RIGHT]) (;B[no];W[on];B[mr]C[RIGHT]))) (;B[oq];W[op] (;B[nq];W[nr];B[np];W[oo] (;B[sr];W[rq]) (;B[no];W[on];B[sr];W[rq]C[And if w resists?])) (;B[sr]C[RIGHT]))) (;B[sr];W[qs])) (;B[sr];W[rq];B[qr];W[qs];B[po];W[qn])) (;B[po];W[qn];B[sp];W[rs];B[sr]C[];W[qs] (;B[qr]) (;B[rq]C[RIGHT])) (;B[qs];W[qr]C[Ko is not enough :(]) (;B[rp];W[rs];B[qr];W[qs] (;B[sq];W[so]) (;B[so];W[sq]))) (;B[po];W[qn] (;B[rr];W[ps];B[sp];W[rs];B[sr]C[];W[qs] (;B[qr];W[rq]C[And if w resists?] (;B[oq];W[op] (;B[nq];W[nr];B[np];W[oo] (;B[no];W[on] (;B[ss]C[RIGHT]) (;B[mr];W[lr]C[RIGHT] (;B[os];W[ns];B[ss]C[RIGHT]) (;B[ss]C[RIGHT]))) (;B[ss]C[RIGHT]) (;B[mr];W[lr];B[ss]C[RIGHT])) (;B[ss]C[RIGHT])) (;B[ss];W[os];B[oq];W[op];B[nq];W[nr];B[np];W[oo] (;B[mr]C[RIGHT]) (;B[no];W[on];B[mr]C[RIGHT]))) (;B[rq]C[RIGHT])) (;B[oq]C[];W[op] (;B[nq];W[qr]) (;B[rr];W[ps];B[sp];W[rs];B[qr];W[qs] (;B[nq];W[nr];B[np];W[oo] (;B[sr];W[rq]) (;B[no];W[on];B[sr];W[rq]C[And if w resists?])) (;B[sr]C[RIGHT])))) (;B[qr];W[rp];B[rq];W[so];B[po];W[qn] (;B[oq];W[op];B[nq];W[nr];B[np];W[oo]C[Black is locally dead :-(]) (;B[op];W[oq]) (;B[nr];W[nq];B[os];W[oq];B[mr];W[lq];B[lr];W[kr]C[Black is dead locally :(]))) (;B[rp];W[pr] (;B[rr];W[sq] (;B[qr];W[qs] (;B[rs];W[sr]C[Dead :-(]) (;B[so];W[rs]C[Dead :-(])) (;B[rs];W[sr]C[Dead :-(])) (;B[qr];W[qs];B[rs];W[sr];B[so];W[sq]C[Dead :-(]))) (;B[rr];W[pr] (;B[ro];W[rn]) (;B[rp];W[sq])) (;B[pr];W[or];B[ro];W[rn] (;B[rr];W[ps] (;B[sp];W[rs] (;B[qr];W[qs] (;B[po];W[qn];B[sr]) (;B[sr];W[rq]C[And if w resists?];B[po];W[qn])) (;B[po];W[qn]) (;B[sr];W[rq];B[qr];W[qs])) (;B[po];W[qn]) (;B[qs];W[qr]C[Ko is not enough :(]) (;B[rp];W[rs];B[qr];W[qs] (;B[sq];W[so]) (;B[so];W[sq]))) (;B[po];W[qn] (;B[rr];W[ps];B[sp];W[rs];B[sr]C[];W[qs] (;B[qr]) (;B[rq]C[RIGHT])) (;B[oq]C[];W[op] (;B[nq];W[qr]) (;B[rr];W[ps];B[sp];W[rs];B[qr];W[qs]))) (;B[qr];W[rp];B[rq];W[so];B[po];W[qn]))) (;W[rr]))