Problem	15418
Created	2011-11-26
Name	BostonGo Group C Problem #4
Source	Ichimura Sensei
Rating

Difficulty	21.2 kyu
Average Solve Time	22 secs
User Attempts	2003 / 3608
Solve Ratio Rating	12 kyu
	rating history

(;AB[rr]AB[qr]AB[ps]AB[or]AB[qq]AB[rq]AB[sq]AB[pq]AB[rp]AW[sp]AW[so]AW[ro]AW[qn]AW[qp]AW[pp]AW[oq]AW[np]AW[nr]AW[ns]AW[os]C[Black to live.]AP[goproblems] (;B[ss]C[] (;W[pr]C[CHOICE];B[qs]C[RIGHT]) (;W[qs]C[CHOICE];B[pr]C[RIGHT]) (;W[rs]C[CHOICE];B[qs]C[RIGHT])) (;B[pr];W[rs] (;B[qs];W[sr]) (;B[ss];W[sr]C[Ko]) (;B[sr]C[White tenukis])) (;B[qs];W[ss]) (;B[rs];W[pr]C[Ko]) (;B[sr];W[rs]))