(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[5.50]TM[]
PW[Yamada]PB[Sorin Gherman]DT[1997-07-08]EV[insei league, B class]PC[Igo Kenshu Center]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[W+Resign]
;B[pd]CR[pd]
;W[dp]CR[dp]
;B[pp]CR[pp]
;W[dc]CR[dc]
;B[cf]CR[cf]
;W[cd]CR[cd]
;B[dj]CR[dj]
;W[nq]CR[nq]
;B[cn]CR[cn]
;W[fp]CR[fp]
;B[qn]CR[qn]
;W[kq]CR[kq]
;B[jc]CR[jc]
;W[qf]CR[qf]
;B[re]CR[re]
;W[qd]CR[qd]
;B[qe]CR[qe]
;W[pe]CR[pe]
;B[pc]CR[pc]
;W[pf]CR[pf]
;B[rd]CR[rd]
;W[ne]CR[ne]
;B[mc]CR[mc]
;W[pj]CR[pj]
;B[fc]CR[fc]
;W[fd]CR[fd]
(;B[gd]LB[gc:A]CR[gd]C[Should just retreat at A (G17), which is more likely to become sente. It's also about helping white's stones as little as possible, since black is on the offensive here, white on defensive.]
;W[fe]CR[fe]
;B[ec]CR[ec]
;W[ed]CR[ed]
;B[gc]CR[gc]
;W[qq]CR[qq]
;B[pq]CR[pq]
;W[qp]CR[qp]
(;B[qo]LB[qr:A]CR[qo]C[Black can play severely, at A (R2). See the variation diagram.]
;W[pr]CR[pr]
;B[or]CR[or]
;W[qr]CR[qr]
;B[oq]CR[oq]
;W[nr]CR[nr]
(;B[np]LB[os:A]CR[np]C[Should resist with A (P1). See the variation diagram.]
;W[mp]CR[mp]
;B[mo]CR[mo]
;W[no]CR[no]
;B[op]CR[op]
;W[os]CR[os]
;B[nn]CR[nn]
;W[lo]CR[lo]
;B[mn]CR[mn]
;W[lp]CR[lp]C[The result in the lower-right corner is terrible for black.]
;B[bc]CR[bc]
;W[bf]CR[bf]
;B[bg]CR[bg]
;W[be]CR[be]
;B[db]CR[db]
;W[cg]CR[cg]
;B[ch]CR[ch]
;W[dg]CR[dg]
;B[bh]CR[bh]
;W[fg]CR[fg]
;B[bp]CR[bp]
;W[cq]CR[cq]
;B[dl]CR[dl]
;W[ql]CR[ql]
;B[rf]CR[rf]
;W[on]CR[on]
;B[oo]CR[oo]
;W[pn]CR[pn]
;B[po]CR[po]
;W[ol]CR[ol]
;B[nl]CR[nl]
;W[nk]CR[nk]
;B[mk]CR[mk]
;W[nj]CR[nj]
;B[rl]CR[rl]
;W[rk]CR[rk]
;B[km]CR[km]
;W[kn]CR[kn]
;B[jm]CR[jm]
;W[rg]CR[rg]
;B[jn]LB[io:A]CR[jn]C[Exchanging this for white's next move, at A (J5) is bad for black: better play nothing here for now.

The game commentary ends here.]
;W[io]CR[io]
;B[jo]CR[jo]
;W[ip]CR[ip]
;B[rh]CR[rh]
;W[nc]CR[nc]
;B[nb]CR[nb]
;W[qg]CR[qg]
;B[bq]CR[bq]
;W[sf]CR[sf]
;B[nd]CR[nd]
;W[md]CR[md]
;B[oc]CR[oc]
;W[rc]CR[rc]
;B[qc]CR[qc]
;W[sd]CR[sd]
;B[me]CR[me]
;W[mf]CR[mf]
;B[le]CR[le]
;W[br]CR[br]
;B[cp]CR[cp]
;W[dr]CR[dr]
;B[rb]CR[rb]
;W[lf]CR[lf]
;B[dh]CR[dh]
;W[eg]CR[eg]
;B[mj]CR[mj]
;W[mi]CR[mi]
;B[li]CR[li]
;W[mh]CR[mh]
;B[go]CR[go]
;W[fo]CR[fo]
;B[jp]CR[jp]
;W[jq]CR[jq]
;B[gn]CR[gn]
;W[gp]CR[gp]
;B[kj]CR[kj]
;W[ke]CR[ke]
;B[ld]CR[ld]
;W[in]CR[in]
;B[im]CR[im]
;W[hm]CR[hm]
;B[hn]CR[hn]
;W[dm]CR[dm]
;B[em]CR[em]
;W[fm]CR[fm]
;B[gm]CR[gm]
;W[el]CR[el]
;B[en]CR[en]
;W[fn]CR[fn]
;B[dn]CR[dn]
;W[fl]CR[fl]
;B[hl]CR[hl]
;W[dk]CR[dk]
;B[cl]CR[cl]
;W[ck]CR[ck]
;B[ek]CR[ek]
;W[bl]CR[bl]
;B[cm]CR[cm]
;W[ej]CR[ej]
;B[fk]CR[fk]
;W[cj]CR[cj]
;B[di]CR[di]
;W[gk]CR[gk]
;B[fj]CR[fj]
;W[ei]CR[ei]
;B[gj]CR[gj]
;W[fi]CR[fi]
;B[gl]CR[gl]
;W[gi]CR[gi]
;B[hj]CR[hj]
;W[bj]CR[bj]C[Black resigns.])
(;B[os]CR[os]
;W[np]CR[np]
;B[oo]CR[oo]
;W[rp]CR[rp]
;B[mn]CR[mn]C[Better than the game for black.]))
(;B[qr]CR[qr]
;W[rr]CR[rr]
;B[pr]CR[pr]
;W[rn]CR[rn]
;B[po]CR[po]
;W[ro]CR[ro]
;B[rs]CR[rs]
;W[qm]CR[qm]
;B[pm]CR[pm]
;W[ql]CR[ql]
;B[rq]CR[rq]C[This is better for black than the game.]))
(;B[gc]CR[gc]C[Proper move.]))
