(;
GM[1]FF[4]VW[]AP[Many Faces of Go:10.0]
SZ[19]
HA[0]
ST[0]
PB[O Rissei]
PW[Alexandre Dinerchtein]
DT[2003-06-17]
KM[6.5]
RU[Japanese]
SO[http://www.go4go.net]
EV[8th LG Cup]
BR[9p]
WR[1p]
RO[1]
CA[UTF-8];B[pd]
C[This is the game I played in the first round of LG World Championship.
My opponent is O Rissei, 9 dan.
];W[dd];B[pq]LB[po:A][dp:B]

(;W[po]
C[If, instead, I take the empty corner -
];B[dp]LB[qq:A][np:B]

(;W[qq]
C[The correct choice -
]LB[qk:A][qr:B]

(;B[qk]
C[It is also possible to take the corner -
];W[pr]LB[oq:A][nc:B]

(;B[oq]
C[The only move -
];W[or];B[qp]LB[pp:A][rq:B]

(;W[pp]
C[A joseki -
];B[nq];W[rq];B[jp];W[cn];B[fq]
C[O Rissei's style. Ikken tobi at X is the usual answer.
]LB[fp:X]
;W[ck];B[fc];W[cf]
;B[ic]LB[qf:A][nc:B][qc:C]

(;W[qf]
C[It is not easy to find the correct way to invade this moyo -
]LB[pf:A][qh:B]

(;B[pf]
C[A good answer -
]LB[qc:A][pg:B]

(;W[qc]
C[This is a new move -

]LB[qe:A][pc:B]

(;B[qe]
C[The right direction -
]LB[nb:A][ob:B][oc:C]

(;W[nb]
C[The correct shape. Not long ago Lee Changho, 9 dan, played this
move against Hane Naoki, 9 dan -
];B[pc];W[pb]LB[nc:A][ob:B]

(;B[nc]
C[A good move -
];W[ob];B[mc]LB[rc:A][mb:B]

(;W[rc]
C[A solid answer -
];B[qg]LB[no:A][en:B]

(;W[no]
C[This exchange is necessary -
];B[lq];W[fd]
C[A greedy move. It would be better to invade the moyo  immediately.
];B[gd];W[ec];B[fe];W[ed];B[ge]LB[mj:A][gc:B]

(;W[mj]
C[Now White has no choice -
];B[fb]
C[A big move. Now the marked exchange is bad for White .
]TR[fd][ed]
SQ[ge][gd]
;W[lh];B[qm];W[qn];B[di];W[dg]
C[The wrong answer. It would have been better to defend the corner
directly at X.
]LB[eb:X]
;B[co];W[dn]
;B[cj];W[dk];B[fi];W[eb]
C[Now the marked stone is almost useless.
]LB[go:A][bn:B]
TR[dg]

(;B[go]
C[A passive move -
];W[gl];B[ij];W[pj];B[qj];W[ph];B[qh]
C[Another passive move, but O Rissei, 9 dan, thought that he was
ahead.
];W[bo];B[bp]
;W[bn];B[kj];W[fg];B[gh]LB[pi:A][ml:B]

(;W[pi]
C[The correct shape -
];B[ng];W[nh];B[mg];W[mh];B[ll];W[qi];B[ri];W[rh]
C[A probe.
]
;B[rg];W[pl];B[ql];W[pm]
C[White is happy to save the central group without any damage.
];B[gm];W[fm];B[hm];W[fn];B[fo];W[mr]
;B[nr];W[mq];B[lr];W[mp];B[ms];W[mb];B[ln];W[lp];B[kp];W[kq]
;B[kr];W[jq];B[iq];W[ap]LB[bq:A][aq:B]

(;B[bq]
C[The correct answer -
];W[lc];B[kc];W[ld];B[ea];W[da];B[fa];W[cb];B[kb]
;W[me];B[ke];W[gg];B[eh];W[eg];B[hg]
C[A dubious move. It would be more solid to defend at X
]LB[hh:X]
;W[gj];B[ih];W[kf];B[je]
;W[do];B[cp];W[mm]
C[A probe.
];B[ml];W[ik];B[hk];W[hl];B[il];W[jk];B[gk]
;W[fl];B[jl];W[kk];B[lk];W[hj];B[jj];W[fk]
C[Because of the marked exchange this combination is sente for
White.
]TR[mm][ml]
;B[rn]
C[A mistake. It is better to defend at X.
]LB[kl:X]
;W[ro];B[sm]
;W[ko];B[kl];W[jo];B[ip];W[lo]
C[Now the game is close, but Black is still leading by 2 or 3 points.
];B[lf];W[oc];B[pk];W[nk];B[ol]
;W[ok];B[om];W[pn];B[mn];W[og];B[of]
C[Another mistake. Black loses about one move here.
];W[pg];B[re];W[nf];B[ne]
;W[mf];B[lg];W[le];B[kg];W[kh];B[jg];W[hk]
C[O Rissei, 9 dan, overlooked this move.
];B[lj];W[nn];B[nl]
;W[li]
C[The group is alive. Now White is ahead.
];B[bj];W[bh];B[bl];W[bk];B[ak];W[aq];B[ar];W[ao];B[br]
;W[eo];B[ep];W[hi];B[hh];W[kn];B[nm];W[ho];B[io];W[in];B[gn]
;W[hn];B[hp];W[so];B[rj];W[lb];B[cl];W[dl];B[ka];W[oe];B[pe]
;W[od];B[im];W[jn];B[ch];W[cg];B[bi];W[ah];B[ee];W[de];B[bg]
;W[bf];B[ai];W[ag];B[dj];W[sd];B[se];W[sn];B[rm];W[kd];B[jd]
;W[gf];B[hf];W[fh];B[gi];W[dh];B[ei];W[am];B[al];W[cm];B[la]
;W[ma];B[rd];W[sc];B[mk];W[nj];B[qr];W[rr];B[os];W[qs];B[ns]
;W[ps];B[on];W[np];B[jr];W[bm];B[aj];W[ef];B[ek];W[el];B[ej]
;W[ci];B[oi];W[ni];B[ch];W[ls];B[ks];W[ci];B[db];W[ca];B[ch]
;W[op];B[ls];W[ci];B[rs];W[ss];B[ch];W[gc];B[gb];W[ci];B[lm]
;W[ch])
(;B[aq];W[bq];B[ao];W[cq];B[cp];W[ar];B[ap];W[bs]
C[Black cannot play this way.
]))
(;W[ml];B[li];W[mi];B[mh]
C[It would be difficult to save the marked stone.
]TR[lh]
))
(;B[bn];W[bm];B[bo]
C[This is the largest part of the board.
]))
(;W[gc];B[ml]
C[The moyo would be huge.
]))
(;W[en];B[co];W[bn];B[pn];W[qo];B[nn]
C[Black's moyo would be really deep.
]))
(;W[mb];B[lc];W[li];B[rc];W[rb];B[rd];W[sb]
C[This exchange would be painful for White.
]))
(;B[ob];W[oc];B[qb];W[oa];B[rc];W[kc]
C[The corner is small.
]))
(;W[ob];B[mb];W[pc];B[rd];W[rc];B[pn];W[qo];B[nn]
C[This result would be bad for White.
])
(;W[oc];B[mc];W[pc];B[me]
C[Black's position would be too strong
]))
(;B[pc];W[qd];B[qe];W[re];B[pe];W[rg];B[qg];W[rf];B[qh]
;W[jd]
C[White could easily reduce the moyo.
]))
(;W[pg];B[qe];W[of];B[pe]
C[This is a common joseki, but it is difficult to find the continuation.
White can play at  A, B, C or D.
]LB[mg:A][nh:B][og:C][rf:D]
))
(;B[qh];W[qc];B[qd];W[pc];B[od];W[rd];B[re];W[rc];B[qe]
;W[nc]
C[This joseki would be comfortable for White.
]))
(;W[nc];B[oc];W[nd];B[pf];W[kc];B[db]
C[This invasion is possible.
])
(;W[qc];B[pc];W[qd];B[qe];W[re];B[qf];W[rf];B[qg];W[pb]
;B[ob];W[qb];B[nc]
C[San-san is not the best choice. Black's position would be powerful.
]))
(;W[rq];B[pp];W[nq];B[oo];W[np];B[pn]
C[This is a joseki too, but in my opinion this result is slightly
favourable for Black.
]))
(;B[nc];W[oq]
C[White's shape would be too strong.
]))
(;B[qr];W[qp];B[or];W[ql];B[mp]
C[This is a well-known joseki. 
]))
(;W[np];B[qo];W[qn];B[qp];W[pn];B[qg]
C[It would be difficult for White to use this thickness. The opening
would be favourable for Black.
]))
(;W[dp];B[qo]
C[then O Rissei, 9 dan, will play his favourite territory-oriented
opening. So I avoid it.
]))
