invalid problem set
Problem | 5033 |
Created | 2004-09-17 |
Source | book |
Rating | |
Difficulty | 12.1 kyu |
Average Solve Time | 40 secs |
User Attempts |
3665 / 9915 |
Solve Ratio Rating | 6 kyu |
| rating history |
Black to play and kill
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[0.50]
PW[white]PB[black]AW[ea][cb][db][eb][ac][cc]AB[fa][fb][dc][ec][fc][cd][be][de]C[black to play and kill]
(;B[bb]CR[bb]
;W[bc]CR[bc]
;B[ca]CR[ca]
;W[aa]CR[aa]
;B[ba]CR[ba]C[RIGHTwhite is dead])
(;B[bc]CR[bc]
;W[bb]CR[bb]
(;B[bd]CR[bd]
;W[ab]CR[ab])
(;B[ab]CR[ab]
;W[bd]CR[bd]
;B[ae]CR[ae]
;W[aa]CR[aa]
;B[ad]CR[ad]
;W[bc]CR[bc]))
(;B[ca]CR[ca]
;W[bb]CR[bb]
;B[ba]CR[ba]
;W[bd]CR[bd]
;B[ae]CR[ae]
;W[ad]CR[ad]
;B[ab]CR[ab]
;W[aa]CR[aa]C[ko])
(;B[ba]CR[ba]
;W[bb]CR[bb]
;B[ca]CR[ca]
;W[bd]CR[bd]
;B[ae]CR[ae]
;W[ad]CR[ad]
;B[ab]CR[ab]
;W[aa]CR[aa]C[ko]))
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