Problem 7951 goproblems.com


Author	karmaGfa	Created	2006-01-13
Difficulty	7 kyu (history)	Source	my rengo game
AVG solve time	77 sec	Stars	4.79 (14 votes)
User attempts	1355 / 3968	Collections	N/A
Genre	life and death ⓒ	Your attempts	N/A
Similar problems
Created	2006-01-13
Source	my rengo game
Stars	4.79 (14 votes)
Collections	N/A
Your attempts	N/A

(;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])))