(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[5.50]TM[]
PW[Sorin Gherman]PB[Yun]DT[1995-07-08]EV[insei league, B class]PC[Igo Kenshu Center, Chiba, Japan]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).
]RE[B+3.50]
;B[dp]CR[dp]
;W[pd]CR[pd]
;B[dc]CR[dc]
;W[pp]CR[pp]
;B[nq]CR[nq]
;W[pn]CR[pn]
;B[kp]CR[kp]
;W[de]CR[de]
;B[ce]CR[ce]
;W[cf]CR[cf]
;B[cd]CR[cd]
;W[dg]CR[dg]
;B[fc]CR[fc]
;W[ck]CR[ck]
;B[cm]CR[cm]
;W[ek]CR[ek]
;B[ql]CR[ql]
;W[qi]CR[qi]
;B[qo]CR[qo]
;W[po]CR[po]
;B[qn]CR[qn]
;W[pm]CR[pm]
;B[qp]CR[qp]
;W[qm]CR[qm]
;B[rm]CR[rm]
;W[qq]CR[qq]
;B[rk]CR[rk]
;W[rp]CR[rp]
;B[ro]CR[ro]
;W[so]CR[so]
;B[rn]CR[rn]
;W[rr]CR[rr]
;B[pl]CR[pl]
;W[iq]CR[iq]
;B[fq]CR[fq]
;W[kr]CR[kr]
;B[ip]CR[ip]
;W[hq]CR[hq]
;B[lq]CR[lq]
;W[hp]CR[hp]
;B[io]CR[io]
;W[ho]CR[ho]
;B[hn]CR[hn]
;W[gn]CR[gn]
;B[bk]CR[bk]C[Very bad move: black indended it to be a kikashi, but it isn't.]
;W[in]CR[in]
;B[hm]CR[hm]
;W[jn]CR[jn]
;B[ko]CR[ko]
(;W[gm]LB[lm:A]CR[gm]C[Should play at A (M7) to seal black in.]
;B[hl]CR[hl]
;W[gl]CR[gl]
;B[hk]CR[hk]
;W[jl]CR[jl]
;B[mm]CR[mm]
;W[ij]CR[ij]
;B[fk]CR[fk]
;W[hj]CR[hj]
;B[gk]CR[gk]
;W[el]CR[el]
;B[fi]CR[fi]
;W[gh]CR[gh]
;B[gi]CR[gi]
;W[hh]CR[hh]
;B[jk]CR[jk]
;W[ik]CR[ik]
;B[jm]CR[jm]
;W[km]CR[km]
;B[kl]CR[kl]
;W[im]CR[im]
;B[il]CR[il]
;W[ll]CR[ll]
;B[jm]CR[jm]
;W[lm]CR[lm]
;B[pq]CR[pq]
;W[jl]CR[jl]
;B[pr]CR[pr]
;W[kk]CR[kk]
;B[cj]CR[cj]
;W[dj]CR[dj]
;B[cl]CR[cl]
;W[ci]CR[ci]
;B[dk]CR[dk]
;W[ei]CR[ei]
;B[mn]CR[mn]
;W[nl]CR[nl]
;B[nm]CR[nm]
;W[ol]CR[ol]
;B[om]CR[om]
;W[oj]CR[oj]C[Small: the upper side is very big now, white should play there instead.]
;B[ld]CR[ld]
;W[nc]CR[nc]
;B[mc]CR[mc]
;W[nd]CR[nd]
;B[id]CR[id]
(;W[kc]LB[le:A]CR[kc]C[At A (M15) is bigger than the invasion.]
;B[kd]CR[kd]
;W[mb]CR[mb]
;B[jc]CR[jc]
;W[ed]CR[ed]
;B[ec]CR[ec]
;W[dr]CR[dr]
;B[dq]CR[dq]
;W[er]CR[er]
;B[cr]CR[cr]
;W[br]CR[br]
;B[cq]CR[cq]
;W[fr]CR[fr]
;B[ri]CR[ri]
;W[rh]CR[rh]
;B[qh]CR[qh]
;W[rg]CR[rg]
;B[lb]CR[lb]
;W[cs]CR[cs]
;B[bi]CR[bi]
;W[qj]CR[qj]
;B[nb]CR[nb]
;W[ob]CR[ob]
;B[ma]CR[ma]
;W[mf]CR[mf]
;B[me]CR[me]
;W[ne]CR[ne]
;B[lf]CR[lf]
;W[lg]CR[lg]
;B[mg]CR[mg]
;W[nf]CR[nf]
;B[kg]CR[kg]
;W[lh]CR[lh]
;B[oa]CR[oa]
;W[pb]CR[pb]
;B[ch]CR[ch]
;W[di]CR[di]
;B[bf]CR[bf]
;W[bq]CR[bq]
;B[bp]CR[bp]
;W[cg]CR[cg]
;B[bs]CR[bs]
;W[as]CR[as]
;B[ds]CR[ds]
;W[es]CR[es]
;B[aq]CR[aq]
;W[rj]CR[rj]
;B[qr]CR[qr]
;W[kh]CR[kh]
;B[jg]CR[jg]
;W[kf]CR[kf]
;B[jf]CR[jf]
;W[bg]CR[bg]
;B[be]CR[be]
;W[eq]CR[eq]
;B[ep]CR[ep]
;W[fp]CR[fp]
;B[fo]CR[fo]
;W[gp]CR[gp]
;B[ih]CR[ih]
;W[ii]CR[ii]
;B[fe]CR[fe]
;W[ef]CR[ef]
;B[em]CR[em]
;W[fm]CR[fm]
;B[en]CR[en]
;W[fd]CR[fd]
;B[gd]CR[gd]
;W[ge]CR[ge]
;B[gf]CR[gf]
;W[he]CR[he]
;B[ff]CR[ff]
;W[hd]CR[hd]
;B[hg]CR[hg]
;W[gg]CR[gg]
;B[hf]CR[hf]
;W[fg]CR[fg]
;B[ee]CR[ee]C[Subsequent moves omited: black won by 3.5 points.])
(;W[le]CR[le]C[Bigger than invading black's upper side.

The game commentary ends here.]))
(;W[lm]CR[lm]C[Natural move: connect own stones and seal the opponent in.]))
