Problem	13863
Created	2010-07-28
Name	Comb patterns, Pattern 17
Source	All about life and death, Cho Chikun
Rating

Difficulty	20.1 kyu
Average Solve Time	29 secs
User Attempts	2054 / 3862
Solve Ratio Rating	10 kyu
	rating history

Black to live

(;AB[sr]AB[rr]AB[qq]AB[pq]AB[or]AB[nr]AW[rq]AW[rp]AW[qp]AW[pp]AW[oq]AW[nq]AW[mr]AW[mq]AW[ps]AW[kr]AP[goproblems] (;B[qs]C[RIGHT]) (;B[qr];W[ns]) (;B[os];W[pr]) (;B[rs];W[ns]) (;B[pr];W[rs] (;B[qr];W[qs];B[ns]C[Seki. Could be better.RIGHT]) (;B[qs];W[qr] (;B[ss];W[sq]) (;B[os];W[ns]) (;B[ns];W[qs])) (;B[os];W[qs]) (;B[ns];W[qs])))