(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[5.50]TM[]
PW[Norman Chadwick]PB[Sorin Gherman]DT[1995-02-19]EV[insei league, C class]PC[Igo Kenshu Center, Chiba, Japan]C[Norman Chadwick was the oldest insei at that time: he was almost 40. He's a Canadian, and he had already been an insei for at least 3-4 years at the time I came to Japan. There was no age limit for non-Asian inseis. For Asians, the age limt it 18.

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+Resign]
;B[pd]CR[pd]
;W[dp]CR[dp]
;B[pp]CR[pp]
;W[dd]CR[dd]
;B[pj]CR[pj]
;W[jd]CR[jd]
;B[jp]CR[jp]
;W[dj]CR[dj]
;B[jj]CR[jj]
;W[nd]CR[nd]
;B[pf]CR[pf]
;W[gp]CR[gp]
;B[ho]CR[ho]
;W[mj]CR[mj]C[This goes a little bit too deep, it's risky.]
(;B[mg]LB[li:A]CR[mg]C[Too vague: should punish white's deep invasion with A (M11).]
;W[ki]CR[ki]
;B[ji]CR[ji]
;W[kh]CR[kh]
;B[kj]LB[mh:A]CR[kj]C[Exchanging this for white A is quite painfull for black, but no other move was suggested: black doesn't seem to have much choice here.]
;W[mh]CR[mh]
;B[nh]CR[nh]
;W[lj]CR[lj]
;B[ld]CR[ld]
;W[jf]CR[jf]
;B[cf]CR[cf]
;W[df]CR[df]
;B[dg]CR[dg]
;W[ef]CR[ef]
;B[ce]CR[ce]
;W[cd]CR[cd]
;B[eg]CR[eg]
;W[fg]CR[fg]
(;B[ch]LB[ei:A]CR[ch]C[Should be at A (E11) instead. See the variation diagram.]
(;W[fd]LB[eh:A]CR[fd]C[White can and should play more aggresively, at A (E12). See the variation diagram.]
;B[fh]CR[fh]
;W[gh]CR[gh]
;B[gg]CR[gg]
;W[ff]CR[ff]
;B[fi]CR[fi]
;W[hh]CR[hh]
;B[cn]CR[cn]C[Black is ahead after this move.]
;W[dn]CR[dn]
;B[dm]CR[dm]
;W[cm]CR[cm]
;B[bo]CR[bo]
;W[cp]CR[cp]
;B[cl]CR[cl]
;W[bm]CR[bm]
;B[bl]CR[bl]
;W[em]CR[em]
;B[dl]CR[dl]
;W[mp]CR[mp]
(;B[bq]LB[pn:A]CR[bq]C[Very small, and is also not sente: white is safe without answering.
For these reasons, black should better answer honestly at A (Q6).]
;W[bp]CR[bp]
;B[ap]CR[ap]
;W[bn]CR[bn]
;B[co]CR[co]
;W[do]CR[do]
;B[ao]CR[ao]
;W[pn]CR[pn]
(;B[np]LB[no:A][oo:B]CR[np]C[Not good, it gives white the chance to create complications with A (O5): better play at B (P5) to get into the center and keep the 2 white groups separated (and also keep the game simple).]
(;W[mo]LB[no:A]CR[mo]C[White should hane at A (O5) and try to encircle black.
The game commentary ends. here.]
;B[no]CR[no]
;W[nn]CR[nn]
;B[mn]CR[mn]
;W[ln]CR[ln]
;B[mm]CR[mm]
;W[nm]CR[nm]
;B[lm]CR[lm]
;W[kp]CR[kp]
;B[kn]CR[kn]
;W[jq]CR[jq]
;B[iq]CR[iq]
;W[lq]CR[lq]
;B[jr]CR[jr]
;W[nq]CR[nq]
;B[oq]CR[oq]
;W[kr]CR[kr]
;B[ko]CR[ko]
;W[nr]CR[nr]
;B[or]CR[or]
;W[kq]CR[kq]
;B[go]CR[go]
;W[qo]CR[qo]
;B[qp]CR[qp]
;W[rj]CR[rj]
;B[fp]CR[fp]
;W[fq]CR[fq]
;B[gq]CR[gq]
;W[fo]CR[fo]
;B[hp]CR[hp]
;W[ep]CR[ep]
;B[fr]CR[fr]
;W[gp]CR[gp]
;B[er]CR[er]C[Subsequent moves omitted:])
(;W[no]CR[no]C[Severe: encircles black and connect own groups together.]))
(;B[oo]CR[oo]C[Simple, proper move.]))
(;B[pn]CR[pn]C[Very big, normal move.]))
(;W[eh]CR[eh]C[Severe. Black cannot cut...]
;B[de]CR[de]
;W[ee]CR[ee]
;B[ed]CR[ed]
;W[dh]CR[dh]
;B[cg]CR[cg]
;W[ci]CR[ci]
;B[fd]CR[fd]
;W[ge]CR[ge]C[Black cannot capture white's corner stones.]))
(;B[ei]CR[ei]C[Correct shape.]
;W[ej]CR[ej]
;B[fh]CR[fh]
;W[ff]CR[ff]C[Black is sente now and will play now something in the lower-left corner (no particular move was suggested).]))
(;B[li]CR[li]C[Severe attack.]))
