invalid problem set
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life and death
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Problem | 7951 |
Created | 2006-01-13 |
Source | my rengo game |
Rating | |
Difficulty | 6.5 kyu |
Average Solve Time | 77 secs |
User Attempts |
1354 / 3966 |
Solve Ratio Rating | 5 kyu |
| rating history |
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[6.50]
PW[Blanc]PB[Noir]AW[rb][rc][pe][re][qf][rf][pg][ph][qi][ri][rj]AB[pc][qc][sc][nd][pd][qd][rd][ne][qe][se][nf][oh][pi][pj][qj][rk][ql]C[Kill the white group unconditionally.]
(;B[rh]CR[rh]
(;W[qh]CR[qh]C[CHOICE]
(;B[rg]CR[rg]
;W[sf]CR[sf]
(;B[sj]CR[sj]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT])
(;B[sd]CR[sd]
;W[sj]CR[sj]
(;B[sh]CR[sh]
;W[sg]CR[sg]C[Seki.])
(;B[sg]CR[sg]
;W[sh]CR[sh]LB[rg:1][si:2]C[2 Eyes]))
(;B[sh]CR[sh]
(;W[sj]CR[sj]C[CHOICE]
;B[sg]CR[sg]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT])
(;W[sg]CR[sg]C[CHOICE]
;B[sj]CR[sj]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT]))
(;B[sg]CR[sg]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT]))
(;B[sh]CR[sh]
;W[rg]CR[rg]LB[qg:1][rh:2]C[2 Eyes])
(;B[sg]CR[sg]
;W[rg]CR[rg]LB[qg:1][rh:2]C[2 Eyes])
(;B[si]CR[si]
;W[rg]CR[rg]LB[qg:1][rh:2]C[2 Eyes]))
(;W[rg]CR[rg]C[CHOICE]
(;B[qh]CR[qh]
;W[sh]CR[sh]
;B[sj]CR[sj]
;W[qg]CR[qg]
;B[sf]CR[sf]C[RIGHT])
(;B[sh]CR[sh]
;W[qh]CR[qh]LB[qg:1][rh:2]C[2 Eyes])))
(;B[sg]CR[sg]
;W[rg]CR[rg]
(;B[rh]CR[rh]
;W[qh]CR[qh]LB[qg:1][rh:2]C[2 Eyes])
(;B[sf]CR[sf]
;W[sh]CR[sh]LB[sg:C][qh:A][sj:B]C[A, B and C miai for life.])
(;B[qh]CR[qh]
;W[sf]CR[sf]C[Easy life.]))
(;B[rg]CR[rg]
;W[sf]CR[sf]
(;B[sd]CR[sd]
;W[rh]CR[rh]LB[qg:A][sg:B]C[A and B miai for life.])
(;B[rh]CR[rh]
;W[qh]CR[qh]
(;B[sg]CR[sg]
;W[sj]CR[sj]
;B[sh]CR[sh]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT])
(;B[sh]CR[sh]
(;W[sj]CR[sj]C[CHOICE]
;B[sg]CR[sg]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT])
(;W[sg]CR[sg]C[CHOICE]
;B[sj]CR[sj]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT]))
(;B[sj]CR[sj]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT]))
(;B[sh]CR[sh]
;W[rh]CR[rh]LB[qg:A][sg:B]C[A and B miai for life.]))
(;B[sh]CR[sh]
;W[rg]CR[rg]LB[qg:1][sh:2]C[2 Eyes])
(;B[sf]CR[sf]
;W[rg]CR[rg]
(;B[sj]CR[sj]
(;W[sh]CR[sh]C[CHOICE]
;B[qh]CR[qh]C[RIGHT])
(;W[qh]CR[qh]C[CHOICE]
;B[sh]CR[sh]
;W[sg]CR[sg]
;B[si]CR[si]C[RIGHT]))
(;B[qh]CR[qh]
;W[sj]CR[sj]
(;B[rh]CR[rh]
;W[sh]CR[sh]LB[qh:1][si:2]C[2 Eyes])
(;B[sh]CR[sh]
;W[sg]CR[sg]
;B[rh]CR[rh]C[RIGHT]))
(;B[sg]CR[sg]
;W[sh]CR[sh]))
(;B[sj]CR[sj]
;W[rh]CR[rh]
(;B[qg]CR[qg]
;W[si]CR[si]
;B[sg]CR[sg]
;W[sf]CR[sf]
;B[rg]CR[rg]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT])
(;B[si]CR[si]
;W[sh]CR[sh]
(;B[sf]CR[sf]
;W[sg]CR[sg]
;B[qg]CR[qg]C[RIGHT])
(;B[qg]CR[qg]
;W[sf]CR[sf]
;B[rg]CR[rg]
;W[sd]CR[sd]
;B[qb]CR[qb]
;W[ra]CR[ra]
;B[sb]CR[sb]
;W[sa]CR[sa]
;B[sc]CR[sc]C[RIGHT])))
(;B[sd]CR[sd]
;W[rh]CR[rh]
(;B[qg]CR[qg]
;W[sj]CR[sj]LB[qg:1][si:2]C[2 Eyes])
(;B[sf]CR[sf]
;W[sg]CR[sg]LB[rg:2][sh:1]C[2 Eyes])
(;B[sg]CR[sg]
;W[sf]CR[sf]LB[sg:2][qh:1]C[2 Eyes])))
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