(
;
SiZe[19]
EVent[1996 London Open]
PlaCe[Highbury Roundhouse, London]
HAndicap[0]
TiMe[90 min + 5 minutes/1 stone + 20 stones/5 min]
KoMi[6½]
ROund[3]
DaTe[30/12/96]
PlayerBlack[Robin Upton]
BlackRank[1 Dan]
PlayerWhite[Harold Kroll]
WhiteRank[2 Dan]
REsult[B+Resign]
;
Black[pd]
;
White[dc]
;
Black[pp]
;
White[qk]
;
Black[dp]
;
White[fq]
;
Black[dn]
;
White[kq]
;
Black[qm]
;
White[qh]
;
Black[de]
;
White[cl]
;
Black[cc]
;
White[cb]
;
Black[cd]
;
White[eb]
;
Black[ci]
;
White[co]
(
;
Black[cp]
;
White[bp]
;
Black[do]
;
White[bo]
;
Black[cm]
;
White[bm]
;
Black[dl]
;
White[ck]
;
Black[dk]
;
White[cj]
;
Black[dj]
;
White[bi]
Comment[Black had used up 23 minutes of his time at this point, while white had used up 4.]
(
;
Black[bj]
;
White[bk]
;
Black[bh]
;
White[dr]
;
Black[cr]
;
White[dq]
;
Black[cq]
;
White[hp]
;
Black[ai]
;
White[cn]
;
Black[dm]
;
White[ak]
;
Black[fd]
;
White[gc]
;
Black[gd]
;
White[hc]
;
Black[hd]
;
White[jd]
;
Black[fc]
Comment[Aji keshi.]
;
White[fb]
;
Black[ic]
;
White[id]
;
Black[ib]
;
White[hb]
;
Black[ha]
;
White[gb]
;
Black[kc]
(
;
White[bc]
Comment[White defends the corner immediately. This maybe bad timing.]
Nodename[Hasty?]
;
Black[bd]
;
White[bb]
;
Black[kd]
;
White[jf]
;
Black[ke]
;
White[ee]
;
Black[dd]
;
White[di]
;
Black[ei]
;
White[dh]
;
Black[ch]
;
White[eh]
;
Black[fi]
;
White[fh]
;
Black[gh]
;
White[gg]
;
Black[hg]
;
White[hh]
;
Black[gi]
;
White[hf]
;
Black[ig]
Comment[Black had used up 48 minutes of his time at this point, while white had used up 14.]
;
White[ed]
;
Black[ec]
;
White[db]
Comment[Black spent 12 minutes on the next move.]
;
Black[ff]
;
White[ef]
Comment[Black spent 11 minutes on the next move.]
;
Black[fe]
;
White[df]
;
Black[cf]
;
White[fg]
;
Black[dg]
;
White[gf]
;
Black[eg]
;
White[if]
;
Black[ih]
;
White[kg]
;
Black[ji]
Mark[jf][jd][id][kg][if][hf][gf][gg][fg][fh][eh][dh][di]
Comment[To here, black is perfectly happy with this result. Black has some secure territory, considerable strong influence, and White's marked stones are a burden for him.]
;
White[ki]
;
Black[kj]
;
White[li]
;
Black[jk]
;
White[qc]
;
Black[pc]
;
White[qd]
;
Black[qe]
;
White[re]
;
Black[qf]
;
White[rf]
;
Black[qg]
;
White[rh]
;
Black[ph]
;
White[pi]
;
Black[oh]
;
White[pb]
;
Black[ob]
;
White[qb]
;
Black[lg]
;
White[jh]
(
;
Black[oq]
Comment[P3 secures the corner, so is a giant point, but maybe impatient, since it's not urgent. Black had probably better defend the m14 weakness.]
Nodename[Greedy?]
;
White[ii]
;
Black[hi]
;
White[jj]
;
Black[ij]
;
White[ji]
;
Black[ik]
;
White[oc]
Comment[White may have a point here. Black's stones are poorly connected and weaker than their white neighbours.]
;
Black[od]
;
White[nc]
;
Black[nb]
;
White[mc]
;
Black[mb]
(
;
White[ne]
Comment[The game situation demands that White try for a big upset. The fact that Black was almost in Buyoyomi is further reason to try for a big fight.]
Nodename[All Out!]
;
Black[mg]
;
White[lf]
;
Black[kf]
(
;
White[of]
Nodename[Poka]
Comment[White needn't hurry to get the vital point in this shape.]
;
Black[pe]
Comment[The game record ceases at this point, since black entered buyoyomi.
Black successfully avoided problems with these stones, and went on to win by resignation.]
;
Comment[Now black has prevented a throw-in at q15, so gained an all important extra liberty.]
;
Comment[The game record ceases at this point, since black entered buyoyomi.
Black successfully avoided problems with these stones, and went on to win by resignation.]
;
White[pg]
Comment[Note that the white cut here fails, since black preserved the S13-t13 exchange.]
(
;
Black[og]
;
White[pf]
;
Black[nf]
;
White[oe]
;
Black[nd]
;
White[me]
;
Black[md]
Comment[Just safe.]
)
)
(
;
White[pe]
Comment[White has great opportunities for shibori tesujis here; Black is in terrible shape.]
Nodename[Tesuji]
;
Black[oe]
;
White[of]
;
Black[pf]
;
White[nd]
;
Black[pe]
;
White[ng]
;
Black[nh]
;
White[mh]
;
Black[mf]
;
White[nf]
Mark[pc][pd][od][oe][pe][qe][qf][qg][pf][ph][oh][nh]
Comment[Black's marked stones are in a ridiculous shape. Their dreadful damezumzri means that White's O14 stones cannot be captured.]
(
;
Black[ni]
Comment[O11, a common tesuji to avoid a crisis of liberties fails in this case.]
Nodename[Failure]
;
White[pg]
;
Black[og]
;
White[rg]
;
Black[pg]
;
White[nj]
Comment[The nose tesuji, of course.]
Nodename[Tesuji]
;
Black[mi]
;
White[lh]
Mark[nf][ng][of][ne][nd][oc][nc][mc]
Comment[The m12 stone is a double threat so Black cannot capture the marked stones!]
;
Black[me]
;
White[mj]
)
(
;
Black[pg]
Nodename[Failure]
;
White[oi]
;
Black[ni]
;
White[nj]
;
Black[mi]
;
White[lh]
Comment[The m12 stone is a double threat so Black cannot capture the marked stones!]
;
Black[me]
;
White[mj]
;
Black[lc]
;
White[rg]
)
)
)
(
;
White[lf]
Comment[The m14 stone cannot be captured, and so reduces Black's territory somewhat.]
Nodename[Limited success.]
;
Black[mg]
;
White[lc]
;
Black[lb]
;
White[kf]
;
Black[me]
;
White[mf]
;
Black[nf]
;
White[ng]
;
Black[of]
)
)
(
;
Black[mg]
Mark[dh][di][eh][fh][fg][gg][gf][hf][if][jf][jd][id][kg][jh][ki][li]
Comment[Playing in this way simplifies the game for Black. What is more, it's virtually sente to cut off white's marked stones.]
Nodename[Honte]
)
)
(
;
White[kd]
Comment[White has the option of pressing black down here before he defends in the corner.]
Nodename[Better?]
;
Black[lc]
;
White[bc]
Mark[lc][kd]
Comment[The marked exchange strengthens Black's top left, but I think it is good for white because his central stones have more room.]
)
)
(
;
Nodename[Better]
Black[bh]
Comment[As Caspar Nijhuis suggested, nidan bane is a better variation.]
;
White[bj]
;
Black[di]
)
)
(
;
Black[do]
Comment[Emil & Caspar Nijhuis (4 Dan) said that this better. The corner is small; black must make himself strong in preparation for an attack.]
)
)