Problem | 694 |
Created | 2001-06-09 |
Source | |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 44 secs |
User Attempts |
29 / 2316 |
Solve Ratio Rating | 6 dan |
| rating history |
(;GM[1]
FF[4]
AP[Hibiscus:2.1]
SZ[19]
ST[3]
;C[Black to answer white's ko-threat (A)
]
PL[B]
LB[yy:0][oh:A]AB[ke][le][me][ne][ng][ob][oc][oe][pc][pd][ph][qc][qh][rb][rd][sc]
AW[jd][kd][ld][md][nb][nd][od][of][oh][oq][pe][pg][pp][qd][qe][qf][qm][sb][sd]
(;B[rf]
(;W[qg]
;B[og]
;W[rc]
;B[re]
;W[rg]
(;B[rh]
;W[sf]
;B[sc]
;W[nf]
;B[se]
C[RIGHT]
)(;B[sc]
;W[ri]
C[white is out.]
))(;W[re]
;B[se]
;W[rg]
;B[qg]
;W[sf]
;B[og]
;W[sd]
;B[rc]
;W[ri]
C[This is not enough for white]
))(;B[og]
;W[rc]
;B[re]
;W[rf]
;B[sc]
;W[nf]
(;B[mf]
;W[rc]
;B[nc]
;W[se]
;B[lb]
;W[kb]
;B[lc]
;W[qb]
;B[kc]
;W[ic]
;B[ib]
;W[hb]
;B[jb]
;W[pf]
;B[mg]
;W[oi]
C[Bad for black.]
)(;B[mg]
))(;B[oi]
;W[rc]
;B[re]
;W[rf]
;B[sc]
;W[nh]
;B[og]
;W[rc]
(;B[pn]
;W[se]
;B[qn]
;W[ni]
C[Black lost too much]
)(;B[nc]
;W[se]
;B[lb]
;W[kb]
;B[lc]
;W[qb]
;B[kc]
;W[ic]
;B[ib]
;W[hb]
;B[jb]
;W[ni]
C[Black isn't doing vrey well.]
)))
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