Problem	18523
Created	2014-12-07
Name	400 - 900
Source	encyclopedia of life and death
Rating

Difficulty	23.2 kyu
Average Solve Time	22 secs
User Attempts	1896 / 3365
Solve Ratio Rating	12 kyu
	rating history

(;AB[ab]AB[ad]AB[bd]AB[cd]AB[dd]AB[ed]AB[ec]AB[ea]AB[eb]AW[aa]AW[ac]AW[bc]AW[cc]AW[dc]AW[db]AW[da]AP[goproblems] (;B[bb]C[RIGHT]) (;B[ba];W[bb];B[ca];W[aa]C[Disadv. koCHOICE]))