Problem	3927
Created	2004-02-15
Name	L plus diagonal
Source	All About Life and Death by Cho Chikun
Rating

Difficulty	24.3 kyu
Average Solve Time	20 secs
User Attempts	13830 / 22687
Solve Ratio Rating	15 kyu
	rating history

White to play and kill.

(;SZ[19]AW[rn]AW[op]AW[pp]AW[qp]AW[rp]AW[oq]AW[mr]AW[or]AB[pq]AB[qq]AB[rq]AB[pr]AB[sr]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]PL[W] (;W[rs];B[qs];W[rr]C[RIGHT]) (;W[qs];B[rs];W[ps];B[qr]C[Failure. Black Lives.]) (;W[ps];B[rs];W[qr];B[qs]C[Black is alive.]))