(
;
SiZe[19]
GameComment[White got off to a very strong start, but then nearly threw it away by neglecting to make 2 eyes.]
EVent[London Open '96]
ROund[2]
DaTe[29/12/96]
PlaCe[London]
PlayerBlack[A. Thornton]
BlackRank[2 Dan]
PlayerWhite[Robin Upton]
WhiteRank[1 Dan]
TiMe[90m+5m+5b20]
KoMi[6½]
REsult[W+6½]
SOurce[BS]
;
Black[cp]
;
White[pd]
;
Black[dc]
;
White[pp]
;
Black[eq]
;
White[pj]
;
Black[ce]
;
White[cj]
;
Black[cl]
;
White[cg]
;
Black[nc]
;
White[lc]
;
Black[ne]
;
White[pf]
;
Black[ng]
;
White[ph]
Mark[lc]
Comment[An enormous move, but probably not urgent enough; the marked stone will come under severe attack now.]
;
Black[id]
Comment[Difficult for white.]
;
White[ke]
;
Black[kh]
Comment[White is in a very difficult position.]
;
White[pb]
;
Black[ob]
Mark[ke][lc]
Comment[White's territory on the right side is now very strong, probably over concentrated, while the marked stones are dying fast; black is good.]
;
White[ic]
(
;
Black[jc]
Comment[This is playing into white's hands; black should avoid being drawn into close fighting like this; surrounding white is all that is required.]
Nodename[Poka]
;
White[jd]
Mark[jc]
Comment[Now things begin to look better for white in this region. The marked stone is clearly not workingf well]
;
Black[hc]
;
White[ib]
;
Black[je]
;
White[kd]
;
Black[hd]
;
White[jb]
(
;
Black[nq]
Nodename[Impatient?]
;
White[jf]
;
Black[pn]
;
White[ie]
Comment[Although Emil Nijhuis (4 Dan) thought that the previous white move was good, he said that it was unbearable to let black fence in the corner with another tenuki.]
Nodename[Slow]
;
Black[no]
;
White[mh]
(
;
Black[nh]
Nodename[Not good.]
;
White[mi]
;
Black[ni]
;
White[mj]
;
Black[nj]
;
White[nk]
;
Black[mk]
;
White[nl]
;
Black[lk]
;
White[mg]
;
Black[mf]
;
White[lg]
;
Black[ok]
;
White[ol]
;
Black[pl]
;
White[pk]
;
Black[oj]
;
White[pm]
;
Black[ql]
;
White[qm]
;
Black[rk]
(
;
White[rm]
Mark[rk][ql][pl]
Comment[White was fixated upon capuring the marked stones, so missed the vital point.]
Nodename[Blindness]
;
Black[pi]
Comment[Ajikeshi.]
;
White[qi]
;
Black[om]
;
White[nm]
;
Black[on]
;
White[rl]
;
Black[qk]
;
White[qj]
;
Black[od]
;
White[pc]
;
Black[of]
;
White[pe]
(
;
Black[nn]
Nodename[Poka]
Comment[Black lets white off the hook.]
;
White[mm]
(
;
Black[ln]
Comment[One bad move follows another says the proverb. Black once again fails to properly use the aji of his four stones.]
Nodename[Poka?]
;
White[lm]
;
Black[km]
;
White[qo]
;
Black[ei]
;
White[ej]
;
Black[fj]
;
White[ek]
;
Black[di]
;
White[ci]
;
Black[ck]
;
White[dj]
;
Black[gi]
;
White[fh]
;
Black[fi]
;
White[em]
;
Black[fl]
;
White[el]
;
Black[dn]
;
White[fn]
;
Black[gm]
;
White[mp]
;
Black[np]
;
White[fp]
;
Black[go]
;
White[fo]
;
Black[hq]
;
White[gq]
;
Black[hp]
;
White[fk]
;
Black[gk]
;
White[hl]
;
Black[gl]
;
White[hj]
;
Black[gj]
;
White[kl]
;
Black[mn]
;
White[jm]
;
Black[kn]
;
White[ll]
;
Black[bf]
;
White[bg]
;
Black[eg]
;
White[cf]
;
Black[be]
;
White[bk]
;
Black[bl]
;
White[bi]
;
Black[ak]
;
White[aj]
;
Black[bj]
;
White[dh]
;
Black[eh]
;
White[bk]
;
Black[lf]
;
White[kg]
;
Black[bj]
;
White[ep]
;
Black[dq]
;
White[bk]
;
Black[jl]
;
White[jk]
;
Black[bj]
;
White[gn]
;
Black[hn]
;
White[bk]
;
Black[qh]
;
White[rj]
Comment[Black had used 50 minutes at this point, white 73.]
;
Black[bj]
;
White[hr]
;
Black[ir]
;
White[bk]
;
Black[pg]
;
White[al]
;
Black[qf]
;
White[rh]
;
Black[oh]
;
White[rg]
;
Black[qg]
;
White[re]
;
Black[qe]
;
White[rd]
;
Black[rf]
;
White[sf]
;
Black[hb]
;
White[an]
;
Black[bo]
;
White[io]
;
Black[ho]
;
White[in]
;
Black[hm]
;
White[im]
;
Black[pr]
;
White[he]
;
Black[ge]
;
White[gf]
;
Black[fe]
;
White[qq]
;
Black[hk]
;
White[ik]
;
Black[qr]
;
White[ha]
;
Black[ga]
;
White[ia]
;
Black[gb]
;
White[rr]
;
Black[jp]
;
White[or]
;
Black[oq]
;
White[pq]
;
Black[os]
;
White[nr]
;
Black[mr]
;
White[qs]
;
Black[ns]
;
White[fr]
;
Black[qn]
;
White[rn]
;
Black[rp]
;
White[rq]
;
Black[er]
;
White[is]
;
Black[jr]
;
White[ii]
Comment[Big point. The game record ends here.]
)
(
;
Black[lm]
Nodename[Tesuji]
Comment[Taking a liberty with the nose tesuji looks correct.]
;
White[mn]
;
Black[lo]
Comment[White has to think what it is possible to do about black's thickness.]
(
;
White[qo]
Comment[Defending the corner is very big ...]
Nodename[Big]
;
Black[ln]
Comment[however...]
;
White[rj]
Comment[Black has N5 and N8 in sente, so his thickness is spectacular.]
)
(
;
White[ln]
Comment[White has aji here ...]
Nodename[Break out?]
;
Black[kn]
;
White[km]
;
Black[ll]
;
White[ko]
;
Black[jn]
;
White[mo]
;
Black[lp]
;
White[mp]
;
Black[mq]
Comment[... but he cannot break out.]
;
White[rj]
;
Black[np]
;
White[sk]
;
Black[jm]
;
White[qo]
Comment[So blackis fairly thick here.]
)
)
)
(
;
Black[mm]
Mark[pl][ql][qk][rk]
Comment[N7 is the only move. Now black can get impressive thickness in return for sacrificing the 4 stones.]
Nodename[Shibori Tesuji]
;
White[rj]
;
Black[nn]
;
White[sk]
;
Black[pl]
;
White[ql]
;
Black[ml]
;
White[pl]
Comment[Black has sente and impressive thickness.]
)
)
(
;
White[on]
Comment[This move looks like the only move; the Q4 stone, previously surrounded now sits on the perfect spot.]
Nodename[Only Move.]
)
)
(
;
Black[lg]
Comment[Emil Nijhuis (4 Dan) suggested this variation for black.]
Nodename[Better]
;
White[mg]
;
Black[mf]
;
White[lf]
;
Black[nh]
;
White[mi]
;
Black[ni]
;
White[mj]
;
Black[nj]
;
White[nk]
Mark[nj][ni][nh][ng][mf][ne][nc][ob]
Comment[White's last chance to surround the marked stones.]
;
Black[mk]
Comment[A difficult cut for white.]
)
)
(
;
Black[jf]
Mark[cg][cj]
Comment[K14 is a thick move, making a nice shape with L12. The marked white stones can expect to come under strong if white does not defend them.]
Nodename[Thick]
)
)
(
;
Black[hc]
Comment[Caspar Nijhuis (4 Dan) suggested that H17 was good.]
Nodename[Honte]
;
White[jc]
;
Black[hb]
Comment[White is still on the run; his stones lack a base.]
)
)