Problem 3086 goproblems.com


Author	Warp	Created	2003-10-14
Difficulty	1 kyu (history)	Source	N/A
AVG solve time	33 sec	Stars	4.5 (6 votes)
User attempts	431 / 2868	Collections	Basic Shape, J-Group
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2003-10-14
Source	N/A
Stars	4.5 (6 votes)
Collections	Basic Shape, J-Group
Your attempts	N/A

(;SZ[19]AW[qn]AW[ro]AW[op]AW[pp]AW[qp]AW[nq]AW[oq]AW[nr]AW[ns]AB[rp]AB[pq]AB[qq]AB[rq]AB[or]AB[ps]C[White to play and kill.]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]PL[W] (;W[pr];B[qr] (;W[rs];B[rr] (;W[os];B[sp] (;W[sr]C[ Bent four in the corner is dead.RIGHT]) (;W[pr];B[qs];W[sr];B[ss]C[Ko.]) (;W[so];B[sr])) (;W[sr];B[qs] (;W[sp];B[sq]) (;W[sq];B[sp]) (;W[os];B[sq]) (;W[ss];B[os])) (;W[sp];B[os])) (;W[sr];B[os]) (;W[sp];B[os]) (;W[qs];B[rs]) (;W[os];B[sr])) (;W[rs];B[rr] (;W[qs];B[qr] (;W[sp];B[ss]) (;W[sr];B[sq]) (;W[os];B[ss]) (;W[ss];B[sr])) (;W[sr];B[qs] (;W[pr];B[qr] (;W[os];B[sq]) (;W[sq];B[sp]) (;W[ss];B[os]) (;W[sp];B[sq])) (;W[os];B[sq]) (;W[sp];B[sq])) (;W[os];B[qs] (;W[pr];B[ss]) (;W[sr];B[sq]) (;W[sp];B[ss])) (;W[pr];B[qs] (;W[os];B[ss]) (;W[sr];B[sq]) (;W[sp];B[ss])) (;W[qr];B[qs]) (;W[sp];B[qs] (;W[os];B[ss]) (;W[pr];B[ss]) (;W[sq];B[ss]) (;W[sr];B[sq]))) (;W[qr];B[rr] (;W[pr];B[qs]) (;W[qs];B[rs]) (;W[rs];B[qs]) (;W[sp];B[qs])) (;W[rr];B[sr] (;W[sp];B[rs] (;W[qr];B[pr]) (;W[os];B[pr]) (;W[pr];B[qr])) (;W[rs];B[sp] (;W[ss];B[qr] (;W[sq];B[qs]) (;W[os];B[qs])) (;W[qr];B[pr] (;W[so];B[qs]) (;W[os];B[qs]) (;W[ss];B[qs])) (;W[qs];B[qr]) (;W[pr];B[qr];W[os];B[qs])) (;W[qr];B[rs] (;W[sp];B[qs]) (;W[os];B[pr])) (;W[qs];B[qr] (;W[sp];B[rs]) (;W[rs];B[ss]) (;W[os];B[rs])) (;W[pr];B[qr] (;W[os];B[rs]) (;W[rs];B[sp];W[os];B[qs]) (;W[sp];B[rs])) (;W[os];B[qr] (;W[pr];B[rs] (;W[qs];B[sp]) (;W[sp];B[qs])) (;W[rs];B[sp]) (;W[sp];B[rs]))) (;W[sr];B[rr] (;W[sp];B[sq] (;W[rs];B[qs]) (;W[os];B[ss] (;W[pr];B[qs]) (;W[qs];B[pr]))) (;W[rs];B[qs] (;W[sp];B[sq]) (;W[os];B[sq]) (;W[pr];B[sq]) (;W[ss];B[os])) (;W[qs];B[rs] (;W[pr];B[qr]) (;W[os];B[pr]) (;W[sp];B[sq] (;W[pr];B[qr]) (;W[os];B[pr]))) (;W[pr];B[qr] (;W[rs];B[qs] (;W[sp];B[sq]) (;W[os];B[sq])) (;W[sp];B[sq] (;W[os];B[ss]) (;W[rs];B[qs])) (;W[os];B[rs]C[Ko.]))) (;W[sp];B[rs] (;W[sr];B[sq] (;W[rr];B[qr];W[os];B[ss];W[pr]C[Ko.]) (;W[qr];B[rr];W[pr];B[qs]) (;W[pr];B[qr];W[os];B[pr]) (;W[os];B[qr];W[pr]C[Ko.])) (;W[pr];B[qr] (;W[os];B[sr]) (;W[sr];B[sq];W[os];B[pr])) (;W[sq];B[sr]) (;W[qr];B[rr]) (;W[os];B[sr] (;W[pr];B[qr]) (;W[qr];B[pr]))) (;W[qs];B[rs] (;W[qr];B[rr]) (;W[rr];B[qr]) (;W[os];B[pr] (;W[sp];B[sq]) (;W[sr];B[rr])) (;W[sp];B[sq] (;W[os];B[pr]) (;W[qr];B[rr]) (;W[rr];B[qr]) (;W[pr];B[qr])) (;W[sr];B[rr] (;W[pr];B[qr]) (;W[os];B[pr]) (;W[sp];B[sq] (;W[pr];B[qr]) (;W[os];B[pr])))) (;W[os];B[rs] (;W[pr];B[qr] (;W[qs];B[sr]) (;W[sp];B[sr])) (;W[sp];B[sr] (;W[qr];B[pr]) (;W[pr];B[qr])) (;W[sr];B[qr] (;W[sp];B[sq];W[pr]C[Ko.]) (;W[pr]C[Ko.])) (;W[qr];B[pr] (;W[sr];B[rr]) (;W[rr];B[sr]) (;W[sp];B[sr])) (;W[rr];B[sr] (;W[qr];B[pr]) (;W[sp];B[qr]) (;W[pr];B[qr] (;W[qs];B[sp]) (;W[sp];B[qs])))) (;W[sq];B[sr] (;W[rs];B[sp] (;W[qr];B[qs] (;W[os];B[pr]) (;W[rr];B[pr])) (;W[rr];B[qr];W[os];B[qs]) (;W[qs];B[qr];W[os];B[pr])) (;W[sp];B[rs]) (;W[rr];B[sp] (;W[qr];B[pr]) (;W[qs];B[qr])) (;W[qr];B[rr]) (;W[qs];B[rs])))