invalid problem set
Problem | 10782 |
Created | 2008-01-10 |
Source | From a game played on KGS |
Rating | |
Difficulty | 6.8 kyu |
Average Solve Time | 64 secs |
User Attempts |
381 / 919 |
Solve Ratio Rating | 7 kyu |
| rating history |
Black to win some stones, either on the left or the right. From a game played on KGS.
(;
AW[ia][bb][db][ib][kb][lb][cc][dc][fc][gc][ic][jc][dd][gd]
AB [ja][jb][mb][nb][ob][bc][kc][lc][bd][cd][ed][fd][hd][id][jd][ce][de][ee][ge][ke]
C[Black to play.]
(;B[hc]
(;W[hb] C[CHOICE] ;B[gb] ;W[ka]
(;B[fb] ;W[ec] C[White wins.])
(;B[ec] ;W[fb] ;B[eb] ;W[fa]
(;B[ea] C[RIGHT Correct.])
(;B[da] C[RIGHT Correct.])
)
)
(;W[gb] C[CHOICE] ;B[hb] ;W[ga] ;B[ha] C[RIGHT Correct.])
(;W[ec] C[CHOICE]
(;B[gb] ;W[fb]
(;B[hb] C[RIGHT Correct.])
(;B[ha] ;W[ka] ;B[hb] C[RIGHT Correct.])
)
(;B[hb] ;W[gb] C[Black can tenuki here, but for this problem please continue.]
(;B[ha] C[RIGHT Correct.])
(;B[ga] ;W[fa] C[Black can tenuki here, but will lose 1 point to a recapture at H19 if white is allowed to take after black’s tenuki.] ;B[ha] C[RIGHT Correct.])
)
)
)
(;B[hb] ;W[hc] ;B[ec] ;W[eb] C[White wins.])
(;B[la] ;W[ka]
(;B[hc] ;W[hb]
(;B[gb] ;W[ec] C[White wins.])
(;B[ec] ;W[eb] C[White wins.])
)
(;B[ec] ;Web] ;B[hc] ;W[hb] C[White wins.])
)
(;B[ab] ;W[hc]
(;B[ec] ;W[eb] C[White wins.])
(;B[ba] ;W[cb] ;B[ec] ;W[eb] C[White wins.])
)
(;B[ec] ;W[fb]
(;B[eb] ;W[ea] ;B[hc] ;W[hb] C[White wins.])
(;B[hc] ;W[hb] ;B[eb] ;W[ea] C[White wins.])
)
(;B[ba] ;W[hc]
(;B[ca] ;W[ab] ;B[ec] ;W[eb] C[White wins.])
(;B[ec] ;W[eb] ;B[ab] ;W[cb] C[White wins.])
(;B[ab] ;W[cb] ;B[ec] ;W[eb] C[White wins.])
(;B[da] ;W[cb] ;B[ec] ;W[eb] C[White wins.])
)
(;B[gb] ;W[hc]
(;B[fb] ;W[ec] C[White wins.])
(;B[ec] ;W[eb] ;B[fb] ;W[ab] ;B[ha] ;W[ka] C[White wins.])
(;B[ab] ;W[ba] ;B[ec] ;W[eb] ;B[fb] ;W[ea]
(;B[ca] ;W[ga] C[White wins.])
(;B[ha] ;W[ka] ;B[ja] ;W[fa] C[White wins.])
)
)
(;B[fb] ;W[hc]
(;B[eb] ;W[ec] C[White wins.])
(;B[ec] ;W[eb] C[White wins.])
)
(;B[eb] ;W[ec] ;B[hc] ;W[hb] ;B[gb] ;W[ka] ;B[ba] ;W[ab] ;B[da] ;W[cb]
(;B[fb] ;W[ga] C[White wins.])
(;B[ca] ;W[fb] C[White wins.])
)
)
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