(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[5.50]TM[]
PW[Sorin Gherman]PB[Lee]C[Game commentary by Hans Pietsch ( http://gobase.org/information/players/?pp=Hans%20Pietsch ), A class insei at that time, later promoted until 4 dan pro).
]
;B[dp]CR[dp]
;W[pd]CR[pd]
;B[dd]CR[dd]
;W[pp]CR[pp]
;B[nc]CR[nc]
;W[qf]CR[qf]
;B[jd]CR[jd]
;W[cf]CR[cf]
;B[ch]CR[ch]
;W[cc]CR[cc]
;B[dc]CR[dc]
;W[cd]CR[cd]
;B[de]CR[de]
;W[df]CR[df]
;B[ce]CR[ce]
;W[be]CR[be]
;B[bd]CR[bd]
;W[bc]CR[bc]
;B[bf]CR[bf]
;W[ad]CR[ad]
;B[ef]CR[ef]
;W[bg]CR[bg]
;B[dg]CR[dg]
;W[af]CR[af]
;B[cg]CR[cg]
;W[bf]CR[bf]
;B[fg]CR[fg]
;W[eh]CR[eh]
;B[eg]CR[eg]
;W[fq]CR[fq]
;B[dn]CR[dn]
;W[jp]CR[jp]
;B[go]CR[go]
;W[hp]CR[hp]
;B[in]CR[in]
;W[kn]CR[kn]
;B[qq]CR[qq]
;W[pq]CR[pq]
;B[qp]CR[qp]
(;W[qo]LB[kl:B][qn:A]CR[qo]C[White should try to get sente here with A (R6) and play at B (L8). See the variation diagram.]
;B[ro]CR[ro]
;W[qn]CR[qn]
;B[rn]CR[rn]
;W[qm]CR[qm]
;B[pr]CR[pr]
;W[or]CR[or]
;B[qr]CR[qr]
;W[nq]CR[nq]
(;B[ne]LB[km:A]CR[ne]C[Should be at A (L7).]
(;W[pb]LB[jl:A]CR[pb]C[White should play at A (K8) instead.]
;B[km]CR[km]
;W[lm]CR[lm]C[It's better for white not to play the exchanges that followed in the game if he plans to invade the left side.]
;B[kl]CR[kl]
;W[jn]CR[jn]
;B[im]CR[im]
;W[ll]CR[ll]
;B[kk]CR[kk]
;W[cj]CR[cj]
(;B[bh]LB[dk:A]CR[bh]C[Black should play at A (D9) instead and let white connect underneath, this should be enough for him.

The game commentary ends here.]
;W[cm]CR[cm]
;B[cn]CR[cn]
;W[bi]CR[bi]
;B[ah]CR[ah]
;W[dm]CR[dm]
;B[bk]CR[bk]
;W[bn]CR[bn]
;B[bo]CR[bo]
;W[ck]CR[ck]
;B[bm]CR[bm]
;W[bl]CR[bl]
;B[am]CR[am]
;W[bj]CR[bj]
;B[dl]CR[dl]
;W[el]CR[el]
;B[em]CR[em]
;W[cl]CR[cl]
;B[ek]CR[ek]
;W[fl]CR[fl]
;B[fk]CR[fk]
;W[gk]CR[gk]
;B[fm]CR[fm]
;W[gl]CR[gl]
;B[gj]CR[gj]
;W[hj]CR[hj]
;B[fj]CR[fj]
;W[dk]CR[dk]
;B[hi]CR[hi]
;W[il]CR[il]
;B[ij]CR[ij]
;W[hk]CR[hk]
;B[ii]CR[ii]
;W[jm]CR[jm]
;B[lj]CR[lj]
;W[hn]CR[hn]
;B[ob]CR[ob]
;W[oc]CR[oc]
;B[nb]CR[nb]
;W[of]CR[of]
;B[nf]CR[nf]
;W[ng]CR[ng]
;B[mg]CR[mg]
;W[og]CR[og]
;B[rm]CR[rm]
;W[mh]CR[mh]
;B[lh]CR[lh]
;W[nd]CR[nd]
;B[md]CR[md]
;W[od]CR[od]
;B[mf]CR[mf]
;W[mc]CR[mc]
;B[lc]CR[lc]
;W[db]CR[db]
;B[eb]CR[eb]
;W[cb]CR[cb]
;B[ea]CR[ea]
;W[dr]CR[dr]C[Subsequent moves omitted. White won by resign.])
(;B[dk]CR[dk]C[Give a little, but keep the lead.]))
(;W[jl]CR[jl]))
(;B[km]CR[km]C[Most important point, at the junction of both white's and black moyos.]))
(;W[qn]CR[qn]
;B[rn]CR[rn]
;W[kl]CR[kl]C[Very important strategical point.]))
