Problem 8000 goproblems.com


Author	BartTM	Created	2006-01-26
Difficulty	6 kyu (history)	Source	Problem 7995
AVG solve time	51 sec	Stars	3.7 (10 votes)
User attempts	715 / 2930	Collections	Instruction Required
Genre	life and death	Your attempts	N/A
Similar problems
Created	2006-01-26
Source	Problem 7995
Stars	3.7 (10 votes)
Collections	Instruction Required
Your attempts	N/A

(;AW[qp]AW[rp]AW[sp]AB[qn]AB[qm]AB[ql]AB[on]AB[oo]AB[op]AB[oq]AW[qq]AW[rr]AW[sr]AB[pq]AB[qr]AB[rs]AB[pr]C[Can White live? Choose 'Yes' or 'No'.FORCE]LB[oj:Yes]LB[qj:No]AP[goproblems] (;W[oj];B[qj]C[Prove it then!] (;W[rn];B[sn] (;W[rm];B[rl] (;W[sm];B[ro] (;W[so];B[qo]) (;W[qo];B[sl]) (;W[sl];B[sk])) (;W[so];B[qo] (;W[ro];B[sm];W[sl];B[sm]) (;W[sm];B[ro]) (;W[sl];B[ro])) (;W[ro];B[sm]) (;W[qo];B[sm]) (;W[sl];B[ro])) (;W[ro];B[rm]) (;W[so];B[qo] (;W[rm];B[rl] (;W[ro];B[sm];W[sl];B[sm]) (;W[sm];B[ro]) (;W[sl];B[ro])) (;W[ro];B[rm]) (;W[sm];B[rm])) (;W[sm];B[qo] (;W[rl];B[rm] (;W[ro];B[sl]) (;W[so];B[rk]) (;W[sl];B[ro]) (;W[rk];B[sl])) (;W[rm];B[ro];W[so];B[rl]) (;W[ro];B[rm]) (;W[so]MA[ro]MA[rm]C[Black can kill at either point.];B[rm])) (;W[qo];B[rm])) (;W[qo];B[rn]) (;W[ro];B[rn]) (;W[sn];B[rn]) (;W[rm];B[rn];W[sn];B[rl]) (;W[sm];B[rn];W[sn];B[rk]C[No eyespace whatsoever.])) (;W[qj]AB[qp]AB[rp]AB[sp]AW[qn]AW[qm]AW[ql]AW[on]AW[oo]AW[op]AW[oq]AB[qq]AB[rr]AB[sr]AW[pq]AW[qr]AW[rs]AW[pr]C[];B[rn]C[So, you know how this can be killed...?] (;W[sn];B[rm] (;W[rl] (;B[so] (;W[qo];B[ro] (;W[sm];B[sl];W[sm]C[RIGHT]) (;W[sl];B[sm]) (;W[pp];B[sm])) (;W[sm];B[sl] (;W[sk];B[qo]) (;W[sm];B[qo]) (;W[qo] (;B[ro];W[sm]C[RIGHT]) (;B[sm] (;W[sk];B[ro]) (;W[ro];B[sj]C[Black has only one eye yet, but White may have a hard time preventing Black's escape along the side.RIGHT])))) (;W[sl];B[sm]) (;W[ro];B[qo] (;W[sm];B[sl]) (;W[sl];B[sm]))) (;B[sm] (;W[ro];B[so];W[qo]C[RIGHT]) (;W[sl];B[ro]) (;W[qo];B[ro]))) (;W[sm];B[rl] (;W[ro];B[qo] (;W[rk];B[so]) (;W[sl];B[rk])) (;W[sl];B[rk]) (;W[qo];B[ro]) (;W[rk];B[sl];W[ro];B[so] (;W[sn];B[qo]) (;W[qo];B[sn]))) (;W[ro];B[qo] (;W[rl];B[so] (;W[sm];B[sl]) (;W[sl];B[sm])) (;W[sm];B[rl] (;W[rk];B[so]) (;W[sl];B[rk]))) (;W[qo];B[ro] (;W[sm];B[rl]) (;W[rl];B[sm])) (;W[sl];B[so] (;W[qo];B[rl] (;W[ro];B[rk]) (;W[sm];B[sk]) (;W[rk];B[ro])) (;W[sm];B[rl];W[sk];B[rk]) (;W[rl];B[sm]) (;W[ro];B[qo] (;W[rl];B[sm]) (;W[sm];B[rl];W[sk];B[rk]))) (;W[so];B[sm])) (;W[rm];B[sn] (;W[ro];B[qo]) (;W[qo];B[ro]) (;W[sm];B[qo])) (;W[ro];B[qo] (;W[sn];B[rm] (;W[rl];B[so] (;W[sm];B[sl]) (;W[sl];B[sm])) (;W[sm];B[rl] (;W[rk];B[so]) (;W[sl];B[rk]))) (;W[rm];B[so]) (;W[sm];B[sn])) (;W[qo];B[ro] (;W[sn];B[rm];W[rl];B[sm]) (;W[rm];B[sn]) (;W[sm];B[sn])) (;W[so];B[rm]) (;W[sm];B[sn] (;W[ro];B[qo]) (;W[qo];B[ro])) (;W[sl];B[sn]) (;W[rl];B[sn])))