Problem	16503
Created	2012-10-14
Source	KGS game
Rating

Difficulty	20.3 kyu
Average Solve Time	42 secs
User Attempts	3062 / 7317
Solve Ratio Rating	7 kyu
	rating history

From one of my KGS games, white (= me) played a wrong move but black missed the chance to kill => the group lived.

(;AW[ar]AW[br]AW[aq]AB[ap]AB[bq]AB[bp]AW[cq]AW[dq]AB[cp]AB[dp]AB[ep]AB[eq]AW[er]AB[fr]AW[ds]AB[fs]C[White to live, no Ko]AP[goproblems] (;W[es];B[cs] (;W[cr];B[dr]C[Dead]) (;W[dr];B[cr]C[Dead]) (;W[bs];B[dr]C[Dead]) (;W[as];B[cr]C[Dead])) (;W[cs];B[dr] (;W[es];B[cr]C[Dead]) (;W[cr];B[es]C[Dead])) (;W[dr];B[cs] (;W[bs];B[es];W[cr]C[RIGHT]) (;W[cr];B[bs]C[Dead])) (;W[cr];B[es] (;W[dr];B[bs]C[Dead]) (;W[bs];B[dr]C[Ko])) (;W[bs];B[cr]C[CHOICE];W[dr];B[es];W[cs]C[CHOICERIGHT]) (;W[as];B[es] (;W[cr];B[dr]C[Ko]) (;W[dr];B[cs]C[Dead])))