invalid problem set
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Problem | 1802 |
Created | 2002-12-12 |
Source | korean problem book |
Rating | |
Difficulty | 2.4 kyu |
Average Solve Time | 51 secs |
User Attempts |
1208 / 4588 |
Solve Ratio Rating | 3 kyu |
| rating history |
For a change, here is a not soooo practical problem for you
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[1.00]TM[]
AW[pa][ra][sa][mb][pb][nc][od][pd][qd][rd][se][rf]AB[oa][ob][oc][pc][rc][sd]C[Black to play and live!]
(;B[rb]CR[rb]
(;W[sc]CR[sc]
(;B[qa]CR[qa]
;W[qb]CR[qb]
;B[qc]CR[qc]
;W[sb]CR[sb]
;B[qa]CR[qa]
;W[sd]CR[sd]
;B[pb]CR[pb]C[Black lives! RIGHT CHOICE])
(;B[sb]CR[sb]
;W[qc]CR[qc]
;B[qa]CR[qa]
;W[qb]CR[qb]))
(;W[qc]CR[qc]
;B[qb]CR[qb]
;W[sb]CR[sb]
;B[qa]CR[qa]
;W[sc]CR[sc]
;B[sd]CR[sd]
;W[sc]CR[sc]
;B[sb]CR[sb]C[Black lives! RIGHT CHOICE])
(;W[sb]CR[sb]
(;B[sc]CR[sc]
;W[qc]CR[qc]
;B[qa]CR[qa]
;W[qb]CR[qb])
(;B[qa]CR[qa]
;W[qb]CR[qb]
;B[qc]CR[qc]
;W[sc]CR[sc]
;B[qa]CR[qa]
;W[sd]CR[sd]
;B[pb]CR[pb]C[Black lives! RIGHT CHOICE])))
(;B[sc]CR[sc]
;W[qc]CR[qc]
;B[qb]CR[qb]
;W[qa]CR[qa])
(;B[qb]CR[qb]
;W[sc]CR[sc]
;B[sb]CR[sb]
;W[rb]CR[rb]
;B[qa]CR[qa]
;W[qc]CR[qc])
(;B[sb]CR[sb]
;W[rb]CR[rb]
;B[qb]CR[qb]
;W[sc]CR[sc]
;B[qc]CR[qc]
;W[sd]CR[sd])
(;B[qa]CR[qa]
;W[qb]CR[qb]
;B[qc]CR[qc]
;W[rb]CR[rb]
;B[sc]CR[sc]
;W[nb]CR[nb]))
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