Problem	22372
Created	2020-05-14
Source
Rating

Difficulty	0.2 kyu
Average Solve Time	49 secs
User Attempts	71 / 250
Solve Ratio Rating	4 kyu
	rating history

black to kill white. from Zonker (KGS) – no longer active account.

(; AW[ab][bc][cc][bd][dd][be][de][df][bg][cg] AB[bb][cb][eb][dc][ad][ed][ee][ef][ag][dg][ah][bh][ch][eh] SZ[19] C[black to kill.] (;B[ac] (;W[af] C[CHOICE] (;B[cf] (;W[bf] C[CHOICE] (;B[ce] C[RIGHT correct.]) (;B[cd] ;W[ce] C[white lives.]) ) (;W[ce] C[CHOICE] (;B[bf] ;W[ae] ;B[ac] C[RIGHT correct.]) (;B[aa] ;W[bf] C[oops. white lives.]) ) ) (;B[ce] ;W[cf] C[white lives.]) (;B[aa] (;W[cf] C[CHOICE] C[white lives.]) (;W[ce] C[CHOICE] C[white lives.]) ) ) (;W[ae] C[CHOICE] (;B[ac] ;W[af] (;B[cf] ;W[bf] (;B[ce] C[RIGHT white dies.]) (;B[cd] ;W[ce] C[white lives.]) (;B[aa] ;W[ce] C[white lives.]) ) (;B[aa] ;W[cf] C[white lives.]) (;B[ce] ;W[cf] C[white lives.]) ) (;B[cf] ;W[ce] (;B[ac] ;W[bf] C[white lives.]) (;B[bf] ;W[ac] C[white lives.]) ) (;B[bf] ;W[cf] (;B[af] ;W[ac] C[white lives.]) (;B[ac] ;W[af] C[white lives.]) ) ) ) (;B[bf] ;W[cf] (;B[ae] ;W[af] C[ko. black can do better.]) (;B[ac] (;W[af] C[CHOICE] C[white lives.]) (;W[ae] C[CHOICE] (;B[af] ;W[ac] C[white lives.]) (;B[ac] ;W[af] C[white lives.]) ) ) ) (;B[cf] ;W[ce] (;B[bf] ;W[ae] C[white lives.]) (;B[ac] (;W[bf] C[CHOICE] C[white lives.]) (;W[ae] C[CHOICE] (;B[bf] ;W[ac] C[white lives.]) (;B[ac] ;W[bf] C[white lives.]) ) ) ) (;B[ae] ;W[bf] (;B[af] ;W[ce] C[white lives.]) (;B[ce] ;W[af] C[white lives.]) ) (;B[ce] ;W[cf] (;B[af] ;W[ae] C[white lives.]) (;B[ac] ;W[ae] (;B[ac] ;W[af] C[white lives.]) (;B[af] ;W[ac] C[white lives.]) ) (;B[ae] ;W[af] ;B[bf] C[ko. black can do better.]) ) )