Problem 5308 goproblems.com


Author	marwin	Created	2004-10-20
Difficulty	3 dan (history)	Source	chinese book
AVG solve time	68 sec	Stars	4.38 (8 votes)
User attempts	784 / 3660	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2004-10-20
Source	chinese book
Stars	4.38 (8 votes)
Collections	N/A
Your attempts	N/A

(;AB[rq]AW[pr]AW[pq]AW[pp]AB[po]AB[qo]AB[op]AB[oq]AB[or]AB[np]AW[ns]AB[mr]AB[mp]AW[oo]AW[no]AW[mo]AW[lo]AW[lp]AB[mq]AB[lq]AW[kq]AW[lr]AW[kr]AW[kp]AW[lm]C[Black to win]AP[goproblems] (;B[os] (;W[ms] (;B[ps];W[qr] (;B[qs];W[rr] (;B[rs];W[sr] (;B[sq];W[nr] (;B[qp]C[RIGHT];W[ls];B[qq]C[RIGHT]) (;B[qq];W[ls];B[qp]C[RIGHT])) (;B[qp];W[nr] (;B[sq];W[ls];B[qq]C[RIGHT]) (;B[qq];W[ls];B[sq]C[RIGHT])) (;B[qq];W[nr] (;B[qp];W[ls];B[sq]C[RIGHT]) (;B[sq];W[ls];B[qp]C[RIGHT])) (;B[nr];W[ls];B[qq];W[ss])) (;B[sr];W[rs];B[qp];W[nr])) (;B[rr];W[qs] (;B[rs];W[nr]) (;B[nr];W[nq])) (;B[rs];W[qs];B[rr];W[nr])) (;B[nr];W[ls];B[ps];W[qs]) (;B[ls];W[ks] (;B[ps];W[qr] (;B[qs];W[rr];B[rs];W[sr] (;B[qp]C[RIGHT]) (;B[qq]C[RIGHT]) (;B[sq]C[RIGHT]) (;B[nr];W[ls] (;B[qq];W[ss]) (;B[qp];W[ss]) (;B[sq];W[ss])) (;B[ss];W[nr])) (;B[rr];W[qs] (;B[rs];W[nr]) (;B[nr];W[nq]))) (;B[qr];W[ps];B[qs];W[nr]))) (;W[ps];B[nr];W[ms];B[ls];W[ms] (;B[qq];W[ks] (;B[qr];W[ls] (;B[qs]C[RIGHT]) (;B[qp]C[RIGHT])) (;B[qs];W[ls] (;B[qr]C[RIGHT]) (;B[qp]C[RIGHT])) (;B[qp];W[ls] (;B[qs]C[RIGHT]) (;B[qr]C[RIGHT]))) (;B[qp];W[ks] (;B[qq];W[ls] (;B[qs]C[RIGHT]) (;B[qr]C[RIGHT])) (;B[qr];W[ls] (;B[qs]C[RIGHT]) (;B[qq]C[RIGHT])) (;B[qs];W[ls] (;B[qr]C[RIGHT]) (;B[qq]C[RIGHT]))) (;B[qs];W[ks]AW[kp]AW[km] (;B[qr];W[ls] (;B[qp]C[RIGHT]) (;B[qq]C[RIGHT])) (;B[qq];W[ls] (;B[qr]C[RIGHT]) (;B[qp]C[RIGHT])) (;B[qp];W[ls] (;B[qr]C[RIGHT]) (;B[qq]C[RIGHT]))) (;B[qr];W[ks] (;B[qs];W[ls] (;B[qq]C[RIGHT]) (;B[qp]C[RIGHT])) (;B[qq];W[ls] (;B[qs]C[RIGHT]) (;B[qp]C[RIGHT])) (;B[qp];W[ls] (;B[qs]C[RIGHT]) (;B[qq]C[RIGHT]))))) (;B[nr];W[os] (;B[ms];W[ps]) (;B[ps];W[qs];B[ms];W[ps])) (;B[ms];W[os] (;B[qr];W[ls];B[qp];W[nr]) (;B[nr];W[ps])) (;B[ps];W[os] (;B[nr];W[qs];B[ms];W[ps]) (;B[ms];W[qs] (;B[nr];W[ps]) (;B[qr];W[ls] (;B[nr];W[nq]) (;B[rs];W[ps] (;B[qp];W[nr]) (;B[qq];W[nr])))) (;B[qr];W[qs];B[ms];W[ls] (;B[nr];W[nq]) (;B[rs];W[ps] (;B[qp];W[nr]) (;B[qq];W[nr])))) (;B[qr];W[os] (;B[qp];W[ms]) (;B[ms];W[ls];B[qp];W[nr]) (;B[qs];W[ms];B[ps];W[nr])))