invalid problem set
Problem | 22916 |
Created | 2020-12-01 |
Source | https://online-go.com/game/28783391 |
Rating | |
Difficulty | 12.7 kyu |
Average Solve Time | 46 secs |
User Attempts |
119 / 334 |
Solve Ratio Rating | 5 kyu |
| rating history |
(;FF[4]GM[1]CA[UTF-8]AP[besogo:0.0.2-alpha]SZ[9]ST[0]
AB[ab][ac][bc][bd][cd][dc][ec][ed][fa][fb][ga]AW[aa][ba][bb][cb][cc][db][eb][fc][fd][gb][gd][hc][hd]
C[What can B do at the top?]
(;B[ha]
(;W[hb]
(;B[ea]
;W[ib]
(;B[da]
;W[ia]
;B[ca]
C[good! RIGHT])
(;B[ca]
;W[ia]
;B[da]
C[good! RIGHT]))
(;B[da]
;W[ib]
(;B[ea]
;W[ia]
;B[ca]
C[good! RIGHT])
(;B[ca]
;W[ea]))
(;B[ib]
;W[ea]))
(;W[ea]
(;B[da]
C[RIGHT])
(;B[hb]
;W[ib]
;B[gc]SQ[gb]
C[(this would be a ko)])))
(;B[hb]
(;W[ha]
(;B[ia]
;W[ea]
(;B[gc]SQ[gb]
C[ko!])
(;B[da]
;W[ha])
(;B[ca]
;W[ha])
(;B[ha]
;W[ib]))
(;B[gc]
;W[ea]
(;B[ia]
;W[gb]SQ[gc]
C[ko!])
(;B[ib]
;W[gb])
(;B[da]
;W[gb])
(;B[ca]
;W[gb])))
(;W[ea]
(;B[ha]
;W[ib]
;B[gc]SQ[gb]
C[this is ko, as well])
(;B[gc]
;W[ha]
;B[ia]
;W[gb]SQ[gc]
C[B wouldn't pick this since W would take the ko first here])))
(;B[ea]
;W[ha])
(;B[da]
;W[ha])
(;B[ca]
;W[ha]))
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