(;
GM[1]FF[4]VW[]AP[Many Faces of Go:11.0]
SZ[19]
HA[0]
ST[1]
PB[Ilya Shikshin]
PW[Chen Hsienhsu ]
DT[2006-10-28]
KM[5.5]
RU[Japanese]
RE[W+15.5]
AN[A. Dinerchtein]
EV[1st Korean Prime-Minister cup]
CP[Go4Go&Goama]
BR[6d]
WR[7d]
RO[7];B[qd]
C[This is the game from the 1-st Korean Prime-Minister cup. Ilya \
Shikshin, 6-dan (Russia, Black) vs Chen Hsienhsu, 7-dan (Taiwan)]
;W[dp];B[cn];W[fq];B[dc];W[de]
(;B[bp]
C[Black may think about the pincer -]
;W[cq]
C[A joseki, but it's better to keep this move in reserve. Later \
White can play at A or B, according to the situation]
LB[cl:A][cm:B]
;B[ck];W[qp]
(;B[ee]
C[A good decision. The attachment at X is possible too -]
MA[ce]

(;W[cc]
C[The most active way -]
;B[dd];W[cd]
(;B[ce]
C[An aggressive plan -]
;W[df];B[be];W[db];B[eb];W[cb];B[ec]
(;W[bd]
C[A strange move -]
;B[cg];W[dg];B[ch];W[ab];B[kd]
C[The result is clearly favorable for Black]
;W[pg];B[pe]
C[A solid move, but the pincer at A or B is probably better]
LB[pi:A][pj:B]
;W[pj]
;B[nq];W[pq]
(;B[kq]
C[A joseki, but now it's better to extend at X, playing for influence \
-]
MA[jp]
;W[iq];B[no];W[mp]
C[The standard probe]
;B[np];W[pm];B[ko]
C[It's a joseki, but now Black's group is not so effective. Another \
problem is gote]
;W[pc]
C[The famous probe]
;B[qc]
;W[mc];B[lb]
C[Is it better to defend solidly at X?]
MA[kc]
;W[me];B[kf]
(;W[gg]
C[A brave move -]
;B[og]
C[A good plan. The position is still promising for Black]
;W[ph];B[mg];W[qb]
(;B[rb]
C[Black has a choice -]
;W[ob];B[qa];W[pa];B[pb];W[lf];B[lg];W[qb];B[po]
;W[qo];B[pb];W[kc];B[jc];W[qb];B[ra];W[ld];B[ke];W[kb];B[jb]
;W[la];B[nd];W[mb]
C[The both sides can be satisfied]
;B[gi]
C[A good plan, but it's probably better to peep at X first]
MA[gp]
;W[fd]
(;B[gd]
C[A bad move, making White stronger -]
;W[fe];B[gc];W[fi]
C[Now the shape is quite flexible]

(;B[fh]
C[An overplay and the losing plan -]
;W[dh]
(;B[ci]
C[The fatal mistake -]
;W[gh];B[ei];W[fj];B[eh];W[fk]
C[It seems, that Black missed this tesuji, creating the miai points \
at A and B]
LB[di:A][hi:B]

(;B[hi]
C[The wrong choice -]
;W[di];B[ej];W[dj];B[ek];W[dk];B[el];W[cj];B[cl]
;W[bj]
C[Black loses too many points here. We can say, that the game is \
already over. Finally White won it by 15.5 points.]
)
(;B[ej];W[hi];B[hk];W[hj]
C[It seems, that Black has no other way]
))
(;B[ei];W[ci];B[bi];W[bj];B[cj];W[cf];B[bf];W[bg];B[di]
;W[bh];B[ci];W[ae];B[ef]
C[This is the best way for Black]
))
(;B[gj];W[di];B[ci];W[dk];B[dj];W[ej];B[cj];W[ek]
C[This is the proper way to attack. The game would be still playable]
))
(;B[ed]
C[This is the right answer. It would be hard for White to create \
a base here]
))
(;B[ob];W[pb];B[oc];W[od];B[pd];W[nc];B[oe];W[nd];B[rb]
;W[nb];B[qa];W[oa];B[lc]
C[Is it better to attack the group like this?]
))
(;W[mg]
C[Normally White has to connect his group]
))
(;B[jp];W[lq];B[lp];W[kp];B[ko];W[kq];B[mp];W[jq];B[ip]
;W[hr];B[ln];W[pm];B[kg]
C[I would prefer to create the central moyo]
))
(;W[cf];B[bf];W[bg]
(;B[cg];W[bh]
C[The ladder is favorable for White, so he may fight here]
)
(;B[bh];W[cg];B[ag];W[af];B[ae];W[bd];B[ah];W[ci];B[bj]
;W[ad];B[af];W[bi];B[ai];W[ch];B[aj]
C[This result would be much better for White than in the real game]
)))
(;B[ef];W[cf]
C[Black may keep the game simple, but his construction on the left \
would not be effective]
TR[bp][cn][ck]
))
(;W[ef];B[ed];W[dg]
C[It's a joseki, but White's construction would not be effective]
)
(;W[dd];B[ed];W[cc];B[cb];W[db];B[ec];W[bb];B[cd];W[bc]
;B[df];W[ce];B[cf];W[be]
C[White may also think about this variation. Locally it's better \
for Black, but now his position on the left would be low]
))
(;B[dg];W[gd];B[dd];W[jc];B[ee];W[oc]
C[The pincer would be dubious for Black]
))
(;B[ce];W[cf];B[cd];W[df];B[ck];W[ec];B[eb];W[dd];B[cc]
;W[fc];B[fb];W[hc];B[pq]
C[This plan is also possible]
))