Problem | 731 |
Created | 2001-06-15 |
Name | The problem of answering |
Source | The 1971 Honinbo Tournament |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 22 secs |
User Attempts |
84 / 2524 |
Solve Ratio Rating | 6 dan |
| rating history |
Taken from the 1971 Honinbo
Tournament played between
Rin Kaiho 9p (Honinbo) and
Ishida Yoshi 7p (Challenger).
Ishida won the series 4-2 to become
the youngest Honinbo ever at an age of 22.
A present day picture of Ishida Yoshi
can be seen on my personal
goproblems.com page.
(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;LB[yy:0][ql:A]C[Black to answer White's odd looking
move (A)]
PL[B]
AB[cp][dc][dh][dk][eq][fd][jc][mh][ng][no][of][po][qg][qk][qp][qq]
AW[bc][ce][df][ip][lp][nc][nj][nq][pd][ph][pq][qd][qi][ql][qr][rr]
(;B[pl]
;W[rk]
(;B[rl]
;W[qm]
;B[rj]
;W[pk]
(;B[sk]
;W[qj]
;B[ok]
C[RIGHT This dangerous looking ko is
the best option black has.]
)(;B[qj]
;W[pj]
(;B[pm]
;W[ri]
;B[sk]
;W[qn]
(;B[rm]
;W[nl]
;B[pn]
;W[kk]
C[White has a good strong shape.]
)(;B[pn]
;W[si]
;B[sj]
;W[rm]
;B[sm]
;W[sn]
;B[qo]
))(;B[ri]
;W[rm]
;B[ol]
;W[ro]
C[Black has to look after the marked
group.]
LB[ro:12]MA[ol][pl][no][po][qp][qq])))(;B[pk]
;W[rm]
;B[qm]
;W[rl]
;B[oi]
;W[pm]
;B[qn]
;W[pg]
;B[pf]
;W[qf]
;B[qe]
;W[rf]
;B[re]
;W[rg]
;B[pe]
;W[om]
C[Blac kis in bad trouble.]
))(;B[pk]
;W[rk]
;B[rj]
;W[rl]
;B[qj]
;W[on]
;B[oo]
;W[ol]
)(;B[rk]
;W[pk]
;B[pl]
;W[rl]
;B[qm]
;W[rm]
;B[ri]
;W[pm]
;B[ol]
;W[pj]
;B[rh]
;W[qn]
C[Black's lower right group doesn't look
to happy.]
)(;B[rl]
;W[pk]
;B[qm]
;W[pl]
;B[qj]
;W[pj]
;B[ri]
;W[rm]
;B[rk]
;W[qn]
;B[pm]
;W[pn]
;B[om]
;W[ro]
;B[on]
;W[rq]
C[Once again black's lower right roup is
in danger]
))
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