(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[5.00]
PW[Rehm]PB[Goddard]EV[EGC1976]RO[9]PC[Cambridge]US[GoGoD95]C[Comments by Reading Go Club]RE[B+2.00]
;B[pd]
;W[dp]
;B[pq]
;W[dd]
;B[qk]
;W[kp]
;B[fq]C[Black invades very early on; a kakari against 4 seems more natural.]
;W[hq]C[Bad. The sequence to 14 is inevitable, and 15 effectively nullifies much of the effect of white's wall. White would do better to play koumi-tsuke instead and treat his stone at 6 lightly.]
;B[cq]
;W[cp]
;B[dq]
;W[ep]
;B[fr]
;W[go]
;B[cj]
;W[ch]
;B[ej]
;W[eh]
;B[gj]
;W[qf]
;B[qe]
;W[pf]
;B[nd]
;W[qi]
;B[ok]
;W[oi]C[20-26: This is a slow and secure way of playing.]
;B[mp]
;W[po]
;B[qp]
;W[no]
;B[mq]
;W[pl]
;B[pk]
;W[ln]
;B[mk]
;W[nl]
;B[nk]
;W[fk]
;B[fj]
;W[ij]
;B[dn]C[This is a useful kikashi.]
;W[fp]
;B[bq]
;W[mg]
;B[ll]
;W[hl]
;B[me]
;W[lj]
;B[rn]
;W[dl]
;B[ci]
;W[ld]C[This should be at 59 to keep up the attack on the black group. However, with the sequence to 56, white has gained a lot on the upper side.]
;B[le]
;W[jd]
;B[jf]
;W[hd]
;B[mi]C[An attempt to attack the rather thin white group.]
;W[kg]
;B[bh]
;W[cg]
;B[bg]
;W[bf]C[Overplay.]
;B[li]
;W[rj]
;B[rk]
;W[rh]
;B[cf]
;W[be]
;B[gd]C[Excellent invasion.]
;W[ge]
;B[fe]
;W[ef]
;B[gf]
;W[he]
;B[ff]
;W[gh]LB[fc:A]C[A play at 'A' may be possible.]
;B[hf]
;W[ig]
;B[if]
;W[bk]C[Very ambitious on white's part.]
;B[cl]
;W[ck]
;B[dk]
;W[cm]
;B[el]
;W[bl]
;B[hh]
;W[hi]
;B[fh]
;W[fg]
;B[gg]
;W[fi]
;B[gi]
;W[dg]
;B[fh]C[87-95: Black gets a ko for connection. Although 96 is a large ko threat, black 99 is even larger.]
;W[oq]
;B[eg]
;W[or]
;B[hc]
;W[fg]
;B[ee]
;W[de]
;B[eg]
;W[df]C[White should continue the ko.]
;B[fc]C[Black is now well ahead.]
;W[qc]
;B[pc]
;W[re]
;B[cc]C[Could have played at 111 for a safe win.]
;W[dc]
;B[db]
;W[eb]
;B[cb]
;W[ec]
;B[bd]
;W[bb]
;B[ba]
;W[ab]
;B[cd]LB[ag:A]C[Mistake. It should be at 121, then white 'A', B 22, W 31 and black lives in sente.]
;W[ce]
;B[ad]
;W[da]
;B[fb]
;W[ea]C[This is unnecessary. White is two moves ahead in this semeai, and should take the point of 130 immediately.]
;B[ca]
;W[ae]
;B[ei]
;W[fa]
;B[gb]
;W[qb]C[Very large - white is now back in the game. ]
;B[bi]
;W[ac]
;B[dh]
;W[bc]
;B[aa]
;W[ac]
;B[ga]C[131-137 Presumably black misread the semeai.]
;W[bc]
;B[dm]
;W[bp]
;B[cn]
;W[bn]
;B[cl]
;W[bm]
;B[hr]
;W[ir]
;B[iq]
;W[gr]
;B[gq]
;W[hp]
;B[gs]
;W[jr]
;B[pb]
;W[pa]
;B[rd]
;W[qd]
;B[pe]
;W[rc]
;B[oa]
;W[qa]
;B[rf]
;W[sd]
;B[nb]
;W[km]
;B[pr]
;W[ps]
;B[qs]
;W[os]
;B[of]
;W[og]
;B[ng]C[Should play atari first.]
;W[nf]
;B[nh]
;W[oe]
;B[mf]
;W[kl]C[Better at 183.]
;B[gm]
;W[hm]
;B[ji]
;W[jj]
;B[kj]
;W[kk]
;B[ki]
;W[qo]
;B[ro]
;W[pp]C[Poor yose, it is better to capture 167.]
;B[qq]
;W[ii]
;B[on]
;W[oo]
;B[gn]
;W[hn]
;B[ih]
;W[aq]
;B[ar]
;W[ap]
;B[cr]
;W[gl]
;B[fm]C[Better to play at 255.]
;W[ol]
;B[ql]
;W[qm]
;B[qn]
;W[pn]
;B[rm]
;W[pm]
;B[hk]
;W[ik]
;B[lk]
;W[od]
;B[oc]
;W[eq]
;B[er]
;W[mm]
;B[ed]
;W[ab]
;B[co]
;W[aj]
;B[bo]
;W[ao]
;B[sj]
;W[si]
;B[oh]
;W[ph]
;B[sk]
;W[ni]
;B[mh]
;W[qj]
;B[bb]
;W[ac]
;B[nj]
;W[is]
;B[jq]
;W[kr]
;B[kq]
;W[lr]
;B[ag]
;W[ab]
;B[en]
;W[hs]
;B[fo]
;W[gp]
;B[gr]
;W[eo]
;B[dl]
;W[bj]
;B[ai]
;W[fn]
;B[bc]
;W[ab]
;B[fo]
;W[rr]
;B[qr]
;W[fn]
;B[fl]
;W[gk]
;B[hj]
;W[lm]
;B[fo]
;W[ml]
;B[fn])
