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life and death
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Problem | 17840 |
Created | 2014-08-12 |
Source | Booksource |
Rating | |
Difficulty | 8.3 kyu |
Average Solve Time | 67 secs |
User Attempts |
631 / 1629 |
Solve Ratio Rating | 6 kyu |
| rating history |
It is very interested death & life problem from the book I read. Long strategy to capture marked white stones.
(;AW[ne]AW[nf]AW[ld]AW[je]AW[jf]AW[kg]AW[lg]AW[mg]AB[kf]AB[lf]AB[mf]AB[jg]AB[jh]AB[ki]AB[kj]AW[mi]AW[mk]AB[ng]AB[og]AB[oh]AB[mm]AW[pj]TR[kg]TR[lg]TR[mg]AW[km]AP[goproblems]
(;B[mh];W[lh]
(;B[li];W[nh]
(;B[kh];W[mh]
(;B[mj];W[ni]
(;B[oj];W[nj]
(;B[nk];W[lj];B[oi];W[mj]
(;B[ml];W[lk]
(;B[ll];W[kk]
(;B[jk]C[];W[kl])
(;B[kl]C[];W[jk]C[])
(;B[jl]C[];W[jk]))
(;B[kl]C[RIGHT])
(;B[jl]C[];W[kl])
(;B[kk]C[];W[ll])
(;B[jm];W[kl])
(;B[il];W[kl]))
(;B[lk];W[ml];B[nl];W[ll]C[]))
(;B[oi]C[]))
(;B[nj];W[oi]C[]))
(;B[ni];W[mj]C[]))
(;B[mj];W[ni]
(;B[oj];W[nj]
(;B[nk];W[lj]
(;B[oi];W[mj]
(;B[ml];W[lk]
(;B[kl]C[RIGHT])
(;B[kh];W[mh]
(;B[ll];W[kk]
(;B[jk]C[];W[kl])
(;B[kl]C[];W[jk]C[])
(;B[jl]C[];W[jk]))
(;B[kl]C[RIGHT])
(;B[jl]C[];W[kl])
(;B[kk]C[];W[ll])
(;B[jm];W[kl])
(;B[il];W[kl])))
(;B[kh];W[mh]
(;B[ml];W[lk]
(;B[ll];W[kk]
(;B[jk]C[];W[kl])
(;B[kl]C[];W[jk]C[])
(;B[jl]C[];W[jk]))
(;B[kl]C[RIGHT])
(;B[jl]C[];W[kl])
(;B[kk]C[];W[ll])
(;B[jm];W[kl])
(;B[il];W[kl]))
(;B[lk];W[ml];B[nl];W[ll]C[])))
(;B[kh];W[mh];B[oi];W[mj]
(;B[ml];W[lk]
(;B[ll];W[kk]
(;B[jk]C[];W[kl])
(;B[kl]C[];W[jk]C[])
(;B[jl]C[];W[jk]))
(;B[kl]C[RIGHT])
(;B[jl]C[];W[kl])
(;B[kk]C[];W[ll])
(;B[jm];W[kl])
(;B[il];W[kl]))
(;B[lk];W[ml];B[nl];W[ll]C[])))
(;B[kh];W[mh]
(;B[nk];W[lj];B[oi];W[mj]
(;B[ml];W[lk]
(;B[ll];W[kk]
(;B[jk]C[];W[kl])
(;B[kl]C[];W[jk]C[])
(;B[jl]C[];W[jk]))
(;B[kl]C[RIGHT])
(;B[jl]C[];W[kl])
(;B[kk]C[];W[ll])
(;B[jm];W[kl])
(;B[il];W[kl]))
(;B[lk];W[ml];B[nl];W[ll]C[]))
(;B[oi]C[])))
(;B[kh];W[mh]
(;B[oj];W[nj]
(;B[nk];W[lj];B[oi];W[mj]
(;B[ml];W[lk]
(;B[ll];W[kk]
(;B[jk]C[];W[kl])
(;B[kl]C[];W[jk]C[])
(;B[jl]C[];W[jk]))
(;B[kl]C[RIGHT])
(;B[jl]C[];W[kl])
(;B[kk]C[];W[ll])
(;B[jm];W[kl])
(;B[il];W[kl]))
(;B[lk];W[ml];B[nl];W[ll]C[]))
(;B[oi]C[]))
(;B[nj];W[oi]C[])))
(;B[ni];W[mj]
(;B[kh];W[mh])
(;B[mh]C[Just ko.])))
(;B[nh]C[];W[li])
(;B[mj]
(;W[li]
(;B[ni];W[lj])
(;B[lj];W[ni])
(;B[nj];W[le]))
(;W[nh])))
(;B[lh];W[mh];B[mj];W[nj]C[])
(;B[li];W[mh]C[])
(;B[mj];W[mh]TR[kf]TR[lf]TR[mf]C[4 liberties against 3.])
(;B[ni];W[mh]))
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