(;
GM[1]FF[4]VW[]AP[Many Faces of Go:11.0]
SZ[19]
HA[0]
ST[0]
PB[Kang Hun]
PW[Bogdanov Victor]
DT[1992-07-22]
KM[5.5]
RE[B+14.5]
EV[4th Tong Yang Securities Cup]
BR[7p]
WR[6d]
RO[1];B[pd]
C[This is the game from the 4th Tong Yang Securities Cup (Korea,1992). \
Black is Kang Hun, 7-dan professional (Korea). White is Bogdanov \
Victor, 6-dan amateur (Russia)]
;W[dp]
C[Victor was one of the top European players during the last 20 \
years]
;B[pp];W[dd];B[fq];W[dn];B[jp];W[qj]
;B[ql];W[qf];B[qh];W[of];B[nd];W[pi]
(;B[qe]
C[The old fashion -]
;W[rf];B[kc]
C[The result is slightly favourable for White]
;W[qq]
C[The right direction]
;B[pq];W[qp];B[po];W[rn];B[qn]
;W[qo];B[rm];W[pn];B[qm];W[pr];B[or];W[qr];B[nq]
(;W[so]
C[A big move in reverse sente, but tennuki would be better here \
-]
;B[ol]
(;W[ni]
C[Another slow move -]
;B[fo]
(;W[fm]
C[The wrong strategy -]
;B[ci]
C[Now the position of the marked stone is strange]
TR[fm]

(;W[jo]
C[A bad move, making Black sronger -]
;B[io];W[ip];B[in]
(;W[ml]
C[Too passive! -]
;B[kp]
C[Black's shape is perfect]
;W[eq];B[fr];W[ck];B[cf];W[be];B[bf];W[ce]
;B[ef];W[fc];B[hc]
C[It is also possible to block at X]
MA[re]
;W[rd]
C[The invasion at san-san is much better]
;B[cq]
C[A huge move]
;W[cp]
(;B[dr]
C[It is also possible to connect at X -]
MA[dq]

(;W[oc]
C[An overplay -]
;B[pc];W[lc]
C[The plan is interesting]
;B[pf];W[pg];B[ld];W[jc]
(;B[pe]
C[A mistake -]
;W[kd];B[kb];W[lb];B[le];W[jb]
C[Black loses a lot of points here]
;B[qg];W[re];B[ph]
;W[og];B[oh];W[nh];B[ng];W[nf]
C[A good move]
;B[mg];W[rh];B[mf];W[qi];B[ne]
;W[rg];B[oe]
C[The result is successful for White, but he is still behind on \
territory]
;W[fe]
C[A good move]
;B[nj]
(;W[mj]
C[A bad exchange for White -]
;B[oi];W[jl]
C[Too passive. Must be at X]
MA[im]
;B[el];W[dl];B[em];W[ek];B[fk];W[fj]
C[The wrong shape. Nobi at X is the proper one]
MA[ej]

;B[ej];W[dk];B[fl];W[gj];B[ei];W[bj]
C[This is the losing move. For sure, White has to connect the group \
at X]
MA[gg]
;B[ff];W[gf];B[ee];W[fd]
;B[gg]
C[Now the central group is really weak]
;W[hg];B[hf];W[ge];B[hh];W[ig];B[ih];W[gh];B[fg];W[jg]
;B[jh];W[jj];B[de];W[cc];B[kg];W[hl];B[hj];W[gk];B[ij];W[im]
;B[gm];W[jn];B[hm];W[lo];B[lp];W[ik];B[lm];W[mn];B[mm];W[nm]
;B[nl];W[km];B[ll];W[lk];B[mk];W[kl];B[lj];W[kk];B[jf]
C[White loses too many points by defending. We can say, that the \
game is already over.]
;W[id]
;B[bp];W[bo];B[bq];W[ln];B[ml];W[ao];B[he];W[hd];B[ae];W[ad]
;B[af];W[bd];B[bi];W[mp];B[mq];W[er];B[es];W[fp];B[gp];W[ep]
;B[go];W[nb];B[qb];W[gl];B[fn];W[li];B[mi];W[ki];B[dm];W[cm]
;B[en];W[cn];B[ke];W[jd];B[ob];W[oa];B[pb];W[nc];B[rc];W[fh]
;B[eh];W[rk];B[nn];W[no];B[on];W[oo];B[pm];W[lh];B[mh];W[ap]
;B[aq];W[op];B[oq];W[ai];B[ah];W[aj];B[ps];W[qs];B[os];W[bh]
;B[ag];W[cj];B[di];W[mc];B[sl];W[sq];B[sj];W[sk];B[qk];W[rj]
;B[pj];W[sc];B[sb];W[sd];B[dq];W[eo];B[sn];W[sm];B[rl];W[si]
;B[sn];W[ro];B[pa];W[na];B[ko];W[kn];B[hk];W[gi];B[ed];W[ec]
;B[qd];W[lg];B[lf];W[md];B[hi];W[ji];B[sm])
(;W[im];B[jm];W[jl]
C[This is the proper way to defend the central stone]
))
(;B[mc]
C[This is the only move]
))
(;W[qc];B[pc];W[bq];B[br];W[dq];B[cr];W[fe]
C[This is the gentle way, but the situation would be clearly favourable \
for Black]
))
(;B[dq];W[bq];B[ep];W[cr];B[dr];W[ds];B[er]
C[It is not easy to decide, which way is better]
))
(;W[fr]
C[White must think about the probe]

(;B[gr];W[er];B[gq];W[kp];B[jq];W[ck]
C[The result would be much better than in the real game]
)
(;B[er];W[gr];B[eq];W[jq];B[kp];W[kq]
C[It would be difficult for Black to kill this group]
)))
(;W[ck];B[cf];W[ce];B[df];W[fc]
C[This is the standard way]
))
(;W[eq];B[fr];W[dk]
C[It is better to create the own side first]
))
(;W[qc]
(;B[pc];W[qd]
C[White can defend his shape naturally by san-san invasion]
)
(;B[re];W[oc];B[pf];W[pg];B[pe];W[qg];B[nc];W[nb];B[mb]
;W[ob];B[nf];W[rb];B[og];W[oh];B[ng]
C[The result would be equal]
)))
(;W[ho];B[iq];W[dj];B[ro];W[rp];B[sn];W[sr]
C[This is the proper strategy]
))
(;B[rd];W[ph];B[kc]
C[This is the modern one]
))
