Problem	12120
Created	2008-12-22
Source	Cho Chikun - Elementary Problems
Rating

Difficulty	26.9 kyu
Average Solve Time	12 secs
User Attempts	7669 / 8995
Solve Ratio Rating	30 kyu
	rating history

Black to kill

(;AB[ab]AW[da]AW[cc]AW[db]AW[cb]AW[bc]AW[bd]AB[be]AB[cd]AB[ce]AB[ec]AB[dc]AB[eb]AW[ad]AP[goproblems] (;B[ba];W[bb]C[RIGHT]) (;B[aa];W[ba]C[CHOICE]) (;B[bb];W[ba];B[ae];W[ac]C[CHOICE]))