(
;
Black[qc]
PlaCe[Highbury Roundhouse, London.]
SiZe[19]
WhiteRank[1 Dan]
BlackRank[4 Kyu]
ROund[4]
GameComment[]
EVent[21st  London  Go  Open]
DaTe[31/12/94]
TiMe[80 minutes + buyoyomi of 20 stones / 5 moves]
KoMi[7½]
PlayerWhite[Hildegard Puttkammer]
REsult[W + 25½]
PlayerBlack[Robin Upton]
;
White[dd]
;
Black[pp]
;
White[dp]
;
Black[cj]
;
White[nq]
;
Black[pn]
;
White[jp]
;
Black[cn]
;
White[cl]
;
Black[cq]
;
White[dq]
;
Black[cp]
;
White[do]
;
Black[cr]
;
White[dr]
;
Black[cm]
;
White[dl]
;
Black[en]
;
White[co]
;
Black[bo]
;
White[dj]
;
Black[em]
;
White[fo]
;
Black[di]
;
White[ci]
;
Black[dk]
;
White[ej]
;
Black[ck]
;
White[ek]
;
Black[bi]
;
White[ch]
;
Black[bh]
;
White[bl]
;
Black[cg]
;
White[dh]
;
Black[dg]
;
White[eh]
;
Black[bk]
;
White[ak]
;
Black[bj]
;
White[el]
;
Black[be]
;
White[br]
;
Black[cc]
Comment[Dubious tenuki. I think Black should defend at B3.]
;
White[bn]
;
Black[bm]
;
White[bp]
;
Black[an]
;
White[bq]
;
Black[eg]
Comment[Another dubious tenuki. Black must run with the E7 stones.]
;
White[gm]
Comment[A big corner, although there is still significant aji at A8.]
;
Black[id]
;
White[cd]
;
Black[bd]
;
White[dc]
;
Black[cb]
;
White[gd]
;
Black[fc]
;
White[gc]
;
Black[gb]
;
White[fd]
;
Black[eb]
;
White[ic]
Comment[At this point black had used up 25 minutes, while white had used up 16 minutes.]
;
Black[ec]
;
White[ed]
;
Black[hc]
;
White[hd]
;
Black[hb]
;
White[hf]
;
Black[fh]
;
White[ei]
;
Black[jd]
;
White[ie]
;
Black[gg]
;
White[je]
;
Black[kd]
;
White[ke]
;
Black[ld]
;
White[pd]
;
Black[pc]
;
White[od]
;
Black[le]
;
White[kh]
;
Black[lg]
;
White[kg]
;
Black[oc]
;
White[og]
;
Black[lh]
;
White[pj]
;
Black[pg]
;
White[qg]
;
Black[ph]
;
White[qh]
;
Black[pf]
;
White[qe]
Comment[Black missed an important chance with his next move.]
(
;
Black[pi]
;
White[qi]
;
Black[oj]
;
White[pk]
;
Black[ip]
;
White[jq]
;
Black[oq]
;
White[nd]
Mark[np]
Comment[Black should have played tenuki here - tenuki is the only move; o4 is simply too big to ignore.]
(
;
Black[nc]
;
White[np]
;
Black[pe]
Comment[This move was estimated to be 'totaler schwachsinn', or perhaps 'ganz schon scheisse' by a team of dan players.]
;
White[qd]
;
Black[nf]
;
White[ok]
;
Black[ql]
;
White[rk]
;
Black[in]
;
White[al]
;
Black[jo]
;
White[qq]
;
Black[qp]
;
White[or]
;
Black[pr]
;
White[pq]
;
Black[qr]
;
White[op]
;
Black[rq]
;
White[hq]
;
Black[iq]
;
White[ir]
;
Black[hp]
;
White[hr]
;
Black[lo]
;
White[nn]
;
Black[gn]
;
White[fn]
;
Black[mn]
;
White[hk]
;
Black[nm]
;
White[on]
;
Black[om]
Mark[fp]
Comment[This is an unthinking move; black might well have done better to have played the marked move, since this seems like quite a good sente move.]
;
White[lq]
;
Black[kn]
;
White[oq]
;
Black[rn]
;
White[gp]
Comment[At this point black had used up 64 minutes while white had used up 32 minutes.]
;
Black[nk]
;
White[kk]
;
Black[nj]
;
White[hh]
;
Black[ki]
;
White[ji]
;
Black[rc]
;
White[rd]
;
Black[fi]
;
White[db]
;
Black[da]
;
White[md]
;
Black[mc]
;
White[li]
;
Black[mi]
;
White[kj]
;
Black[il]
;
White[mf]
;
Black[fm]
;
White[gl]
;
Black[gj]
;
White[gk]
;
Black[me]
;
White[lf]
;
Black[mg]
;
White[kf]
;
Black[oe]
;
White[qf]
;
Black[hn]
;
White[ng]
;
Black[mh]
;
White[of]
;
Black[nh]
;
White[ne]
;
Black[oh]
;
White[nf]
;
Black[ll]
;
White[pm]
;
Black[po]
;
White[pl]
;
Black[qm]
;
White[ps]
;
Black[rs]
;
White[kl]
;
Black[lm]
;
White[hj]
;
Black[go]
;
White[fp]
;
Black[qk]
;
White[qj]
;
Black[rl]
;
White[jm]
;
Black[im]
Comment[Black entered buyoyomi at this point, so the game record ceases. White eventually went on to win by 25½ points.]
)
(
;
Black[np]
;
White[nc]
;
Black[al]
;
White[am]
Comment[White's o17 move increases the size of the ko aji associated with the r14 cut, so black should now play the ko.]
;
Black[qf]
;
White[rf]
;
Black[al]
Comment[Difficult ko for white.]
Mark[bl][cl][dl][el][ek][ej][dj][ci][ch][dh][eh][ei]
)
)
(
;
Black[qi]
;
White[pi]
Comment[If white cuts ...]
;
Black[qf]
Comment[black can exploit her weaknesses.]
;
White[rf]
;
Black[rg]
;
White[rh]
;
Black[re]
;
White[sg]
;
Black[pe]
Comment[White has sente, but the black corner is larger, and the white position still has weaknesses.]
;
White[qd]
Comment[White cannot resist.]
;
Black[rd]
;
White[oh]
;
Black[oe]
;
White[nd]
;
Black[ne]
Comment[ Black has too much on the top side.]
)
)