Problem 319 goproblems.com


Author	vlkplk	Created	2000-12-18
Difficulty	7 dan (history)	Source	From newspapers.
AVG solve time	53 sec	Stars	4.75 (4 votes)
User attempts	125 / 2737	Collections	N/A
Genre	life and death	Your attempts	N/A
Similar problems
Created	2000-12-18
Source	From newspapers.
Stars	4.75 (4 votes)
Collections	N/A
Your attempts	N/A

(;SZ[19]AB[qa]AB[pa]AB[pb]AB[pc]AB[pd]AB[pe]AB[pf]AB[qf]AB[qg]AB[qh]AB[rh]AB[sh]AW[nb]AW[nd]AW[of]AW[og]AW[oi]AW[pi]AW[qi]AW[ri]AW[qb]AW[rb]AW[sb]AW[rd]AW[qe]AW[rf]AW[rg]C[This problem is taken from Japanese newspapers. They claim its difficulty to be 3rd to 4th dan. Black to move.]GM[1]VW[] (;B[rc];W[qc] (;B[qd];W[re];B[sg];W[sf];B[sd];W[sc]C[]) (;B[sf];W[se];B[sg];W[sc];B[re];W[rf]C[]) (;B[sg];W[sc];B[ra];W[sf];B[re];W[se];B[qd];W[re]C[]) (;B[se];W[re];B[sg];W[sf];B[qd];W[sc]C[]) (;B[ra];W[sc];B[sf];W[se];B[sg];W[re]C[])) (;B[qc];W[rc] (;B[ra];W[sg] (;B[se];W[sd];B[re];W[sf];B[re];W[qd];B[se];W[rf]C[]) (;B[sd];W[se]C[])) (;B[sg];W[ra];B[se];W[re]C[])) (;B[sf];W[se];B[sg];W[qc]) (;B[se];W[re];B[sg];W[sf] (;B[ra];W[qc]C[]) (;B[qc];W[rc]C[])) (;B[ra];W[sg] (;B[se];W[sd];B[re];W[sf];B[re];W[qd];B[se];W[rf]C[]) (;B[qc];W[rc];B[se];W[sd];B[re];W[sf];B[re];W[qd];B[se];W[rf]C[]) (;B[qd];W[re]C[]) (;B[sd];W[qc] (;B[qd];W[re]C[]) (;B[se];W[sc];B[re];W[sf];B[re];W[se];B[qd];W[re]C[]) (;B[sc];W[se]C[];B[qd];W[re]C[]))) (;B[sd];W[qc] (;B[se];W[re] (;B[sg];W[sf] (;B[sc];W[ra]C[]) (;B[qd];W[sc]C[]) (;B[ra];W[sc]C[])) (;B[ra];W[sc];B[sg];W[sf]C[])) (;B[sf];W[re];B[sg];W[se]C[] (;B[sc];W[ra]C[]) (;B[ra];W[sc]C[]) (;B[qd];W[sc]C[])) (;B[sg];W[se] (;B[ra];W[sc];B[sf];W[re]C[]) (;B[qd];W[re] (;B[ra];W[sc]C[]) (;B[sf];W[sc]C[]) (;B[sc];W[ra]C[])) (;B[sc];W[ra];B[sf];W[re]C[]) (;B[sf];W[re] (;B[sc];W[ra]C[]) (;B[ra];W[sc]C[]) (;B[qd];W[sc]C[]))) (;B[ra];W[re] (;B[sc];W[sg];B[se];W[qd]C[White lives.]) (;B[sg];W[sc]C[]))) (;B[sc];W[qc] (;B[se];W[re];B[sg];W[sf];B[ra];W[sd]C[]) (;B[sf];W[re];B[sg];W[ra]C[]) (;B[sd];W[se];B[qd];W[re]C[]) (;B[sg];W[ra];B[se];W[re];B[sf];W[sd]C[]) (;B[ra];W[sg] (;B[se];W[sd];B[re];W[sf];B[re];W[qd];B[se];W[rf]C[]) (;B[sd];W[se];B[qd];W[re]C[]))) (;B[sg];W[ra] (;B[sd] (;W[se] (;B[qd] (;W[qc] (;B[sf];W[sc];B[re];W[sd]C[Black lives in sente.RIGHT]) (;B[re];W[sc];B[sf];W[sd]C[Another possibiliy. Black lives in senteRIGHT]) (;B[sc];W[re])) (;W[sc];B[qc])) (;B[rc];W[qc];B[qd];W[sc];B[re]C[In this case black can live but in gote, so it's not the best result.];W[sd];B[sf])) (;W[re])) (;B[sf];W[sd];B[re];W[qd]) (;B[rc];W[qc];B[qd])))