Problem	13251
Created	2009-11-25
Source	150 Life and Death Problems for Becoming Sho-dan (Nihonkiin)
Rating

Difficulty	7 dan
Average Solve Time	53 secs
User Attempts	140 / 455
Solve Ratio Rating	4 kyu
	rating history

number 38 3 minutes for 2-kyu (JP)

(;AB[sb]AB[rb]AB[rc]AB[qc]AB[pc]AB[oc]AB[ob]AW[qa]AW[nb]AW[na]AW[nc]AW[nd]AW[od]AW[pd]AW[qd]AW[rd]AW[sd]AW[sc]C[Black to Live]AP[goproblems] (;B[oa];W[ra]C[Correct, Seki Lives. See continuations.RIGHT] (;B[pa];W[qb]C[Seki Lives for BlackRIGHT])) (;B[pa];W[oa];B[qb]C[Ko for life]) (;B[ra];W[oa]C[Fail]))