(;SZ[19]AW[nh]AW[oh]AW[qh]AW[mi]AW[qi]AW[mj]AW[pj]AW[jk]AW[kk]AW[lk]AW[mk]AW[nk]AW[pk]AW[qk]AW[rk]AW[jl]AW[ll]AW[nl]AW[pl]AW[rl]AW[sl]AW[jm]AW[km]AW[mm]AW[nm]AW[sm]AB[oe]AB[jf]AB[nf]AB[pf]AB[mg]AB[ng]AB[og]AB[pg]AB[qg]AB[rg]AB[lh]AB[mh]AB[rh]AB[ji]AB[li]AB[ri]AB[ij]AB[jj]AB[lj]AB[qj]AB[rj]AB[ik]AB[il]AB[ol]AB[ql]AB[im]AB[lm]AB[om]AB[pm]AB[qm]AB[rm]AB[in]AB[jn]AB[kn]AB[ln]AB[mn]AB[nn]AB[on]AB[rn]AB[sn]C[best endgame move for black?]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]
(;B[oj];W[ok]C[if white tries to protect everything...]
(;B[pi];W[oi]C[CHOICE]
(;B[ph]C[RIGHT])
(;B[ni];W[nj];B[ph]C[pretty good, but you lost sente. you can do better.]))
(;B[ni];W[pi];B[ph];W[oi])
(;B[ph];W[pi]
(;B[ni];W[oi])
(;B[oi];W[ni]))
(;B[oi];W[ph]
(;B[pi];W[ni])
(;B[ni];W[pi])))
(;B[ok];W[oj]
(;B[pi];W[ph];B[ni];W[oi])
(;B[ni];W[ph])
(;B[ph];W[pi]
(;B[ni];W[oi])
(;B[oi];W[ni]))
(;B[oi];W[ph]))
(;B[ph];W[pi]
(;B[oi];W[ni];B[oj];W[ok])
(;B[ok];W[oj];B[ni];W[oi])
(;B[oj];W[ok]
(;B[ni];W[oi])
(;B[oi];W[ni]))
(;B[ni];W[oi];B[ok];W[oj]))
(;B[pi];W[ph]
(;B[ni];W[oi];B[oj];W[nj];B[ok]C[smooth maneuver, but you can actually do even better...])
(;B[oi];W[ni]
(;B[oj];W[ok])
(;B[ok];W[oj]))
(;B[ok];W[oj];B[ni];W[oi])
(;B[oj];W[ni];B[ok];W[oi]C[smooth maneuver, but you can actually do better...]))
(;B[oi];W[ph]
(;B[ok];W[oj])
(;B[oj];W[ok]
(;B[pi];W[ni])
(;B[ni];W[pi]))
(;B[pi];W[ni];B[ok];W[oj])
(;B[ni];W[pi];B[ok];W[oj]))
(;B[ni];W[oi]
(;B[ph];W[pi];B[ok];W[oj])
(;B[ok];W[oj];B[ph];W[pi])
(;B[oj];W[pi]
(;B[ok];W[nj]C[smooth maneuver, but black can do even better])
(;B[nj];W[ok])))
(;B[nj];W[ok];B[pi];W[ph]
(;B[ni];W[oi])
(;B[oi];W[ni])))