Problem	13862
Created	2010-07-28
Name	Comb patterns, Pattern 17
Source	All about life and death, Cho Chikun
Rating

Difficulty	12.1 kyu
Average Solve Time	44 secs
User Attempts	1190 / 2618
Solve Ratio Rating	8 kyu
	rating history

Black to live

(;AB[sr]AB[rr]AB[qq]AB[pq]AB[or]AB[nr]AW[mr]AW[mq]AW[nq]AW[oq]AW[pp]AW[qp]AW[rp]AW[rq]AW[ns]AP[goproblems] (;B[pr];W[qs] (;B[rs];W[os] (;B[qr]C[RIGHT]) (;B[ps];W[qr])) (;B[qr];W[rs]) (;B[ps];W[rs])) (;B[os];W[pr] (;B[qr];W[ps]) (;B[ps];W[qs])) (;B[qs];W[pr] (;B[qr];W[os]) (;B[ps];W[os]) (;B[os];W[ps])) (;B[qr];W[ps] (;B[qs];W[os]) (;B[os];W[pr]) (;B[pr];W[os])) (;B[rs];W[pr]) (;B[ps];W[ms] (;B[rs]C[RIGHT]) (;B[pr];W[os] (;B[qs]C[RIGHT]) (;B[rs]C[RIGHT])) (;B[qr];W[os];B[rs];W[pr];B[or]C[RIGHT]) (;B[qs];W[pr];B[qr];W[os])))