Problem	5523
Created	2004-11-15
Name	Go Seigen Tsumego No.72
Source	Go Seigen
Rating

Difficulty	6 dan
Average Solve Time	35 secs
User Attempts	709 / 3176
Solve Ratio Rating	2 kyu
	rating history

Black to play.

(;AB[kc]AB[lb]AB[lc]AB[md]AB[nd]AB[od]AB[pc]AB[pd]AB[qe]AB[re]AB[rd]AB[sc]AB[rb]AB[nb]AW[mb]AW[mc]AW[nc]AW[oc]AW[qd]AW[rc]AW[qc]AW[ob]AW[pb]AW[qb]SZ[19] (;B[na];W[sb];B[sa];W[qa] (;B[ma];W[ra];B[sb];W[sd];B[sb];W[oa]C[Wrong.]) (;B[oa];W[ra];B[sb];W[sd];B[sb]C[RIGHT])) (;B[qa];W[sb];B[sa];W[pa];B[na];W[ra]))