(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[badukmovies]PB[middle game]
;B[pd]
(;AW[dc][ce][pg][pk][qk][pl][dm][gm][mm][qm][on][qn][co][fo][io][oo][bp][gp][hp][ip][jp][kp][op][lq][pq][jr][pr]AB[ic][nd][jk][ql][rl][jm][rm][rn][jo][ko][lo][no][qo][cp][dp][ep][fp][lp][np][qp][bq][gq][hq][iq][nq][qq]TR[jk][jm][jo][ko][lo][no][lp][np][nq]C[White to play

The lower black's group is weak.
How can white attack this? 
The direction is important!]
(;W[jd]C[How about this? Indirect attack?]
;B[id]
;W[jf]
;B[je]
;W[ke]
;B[ie]
;W[kf]
;B[hj]LB[fc:A][lc:B]C[After w L14 black can take sente at H10, which is very good and important.
A and B are miai.

It looks easy for black!])
(;W[ji]C[This move looks also good. Do or Die!
]
;B[ij]
;W[ii]
;B[hj]
;W[gh]
;B[fj]LB[fc:B][lc:A]C[But if white doesn't capture this black's group or take many points, it will hard to win.
If white invade at A black has extension at B. No problem.])
(;W[hj]C[This is the correct direction!]
;B[ji]
;W[ih]
;B[jh]
;W[ig]C[Black can connect with upper side, but white gets  a lot of points on the left side. ]))
(;AW[nc][dd][kd][cf][ql][cm][rm][cn][on][pn][rn][qo][dp][qp][dq][qq]AB[pf][pj][ik][dl][pl][dm][pm][qm][qn][eo][po][jp][mp][pp][fq][pq]TR[ik]C[White to play

Black has big moyo! How should white reduce it?]
(;W[qk]C[This is ajikeshi.]
;B[pk])
(;W[pk]C[This move is not easy to find in the game.]
(;B[qk]
;W[ok]
;B[rl]
;W[ol]C[This is sente!]
(;B[om]C[Black tries to make cutting point..]
;W[nm]
;B[ql]
;W[no]LB[qj:A][np:B]C[After that A and B cutting are miai.]
(;B[qi]
;W[np]
;B[nq]
;W[mq]C[White is very happy.])
(;B[np]
;W[qj]C[Oh No!]))
(;B[qi]
;W[om]C[This is painful.]
;B[ql]
;W[lm]C[We can see now, how white reduce well the black's Moyo.]))
(;B[ok]C[Black can block to keep the moyo.]
;W[qk]
;B[ol]
;W[oj]C[But still black has weakness here.]
;B[pi]
(;W[nj]
;B[ml]LB[pr:A]C[There is very bad aji  at A Hane.
If black answer at B, white will cut at C.]
(;W[mk]
;B[lk]
;W[nl]
;B[nm]
;W[om])
(;W[pr]
;B[or]
;W[oq]))
(;W[kk]LB[kk:A]C[White can first jump in the center.
Because of bad aji and shape, it is very diffcult to attack white A.])))
(;W[ec]
;B[rl]
;W[qk]
;B[rk]
;W[qj]
;B[qi]
;W[rj]
;B[ri]
;W[sl]
;B[pk]
;W[sk]))
(;AE[pd]AW[fc][hc][dd][ce][qe][pf][qf][og][oh][bi][qi][bj][ck][cl][qm][bn][qn][qo][bp][cp][ep][qp][iq][rq]AB[jc][od][qd][rd][ie][pe][ff][nf][of][ng][ch][qh][ci][cj][dk][dl][dn][pn][co][pp][kq][oq][qq][qr]LB[qh:1][qi:2]C[Black to play


white has a lot of territory, black has thickness!
The decision is very important right now.]
;W[]
(;B[ri]C[Wrong direction]
;W[pi]
;B[rj]
;W[pk]
;B[rg]
;W[mi]C[White is happy])
(;B[pi]
;W[ph]
;B[qj]
;W[ri]
(;B[pj]
;W[rh]
;B[ni]C[This is the right decision for the center.
Black can use his thickness well. 
I prefer to take black now. how about you?^^])
(;B[rh]C[This is a very strong move, but an overplay]
;W[rj]
;B[se]
(;W[pj]
;B[oi]
;W[nh]C[If white escapes....]
;B[oj]
;W[qk]
;B[mi]
;W[mh]
;B[li]C[Black can attack it directly. It looks very dangerous to live or escape.])
(;W[oj]C[This is  a good answer.]
;B[pj]
;W[pk]
;B[qk]
;W[rk]
;B[pl]
;W[ql]
;B[ok]
;W[oi]
;B[pk]
;W[nk]C[White uses one stone to make strong shape.]
(;B[pm]
;W[mj]LB[po:A]C[White has good shape and reduce the center.
And still there is cutting poing at A.])
(;B[nl]
;W[pm]
;B[ol]
;W[mk]LB[mi:B][ml:A]C[Black's shape is very bad. After that A and B are miai.
White is satisfied!])))))
(;AW[od][pd][qe][mf][of][qf][mg][mh][qi][qj][pk][mo][op][pp][qp]AB[lc][nc][oc][pc][qd][rd][le][lf][lg][ph][qh][oj][pj][nq][oq][pq][qq]TR[ph][qh][oj][pj]C[Black to play

Try to find the best way to escape!]
;W[]LB[pi:A][ok:B]C[Black A or B are really bad. ]
;B[qk]
;W[ql]
;B[rk]
;W[rl]
;B[ok]C[Good timing to give this atari first]
;W[pl]
(;B[pi]
;W[rj]
;B[ri]
;W[sk]C[This is the usual sacrifice idea, but in this case black has a better technique to sacrifice])
(;B[rj]C[One more sacrifice is the nice move.]
;W[ri]
;B[rh]
;W[sk]
;B[lk]LB[se:A]C[Because now there is a connection with A. Suddenly white seems in trouble instead of black]
;W[]
;B[se]C[Black can later connect here with a monkey jump in emergencies.]))
(;AW[pb][nc][id][ld][qk][pn][qn][jq][kq][lq][nq][oq][qq][mr][or][pr][qs]AB[qc][pf][qi][qo][ro][jp][mp][np][op][pp][iq][mq][pq][rq][qr][rr]C[White to play

We can see this situation often in the game.

How can white escape ?]
;B[ok]
;W[pj]
;B[ni]
(;W[qh]C[This is the Tesuji.
Also see the game in the bonus tab between Sakata Eio and Kubouchi Shuchi]
(;B[pi]
(;W[ri]
(;B[rj]
;W[qj]
;B[rh]
;W[oi]
;B[ph]
;W[oh]
;B[si]
;W[oj]TR[ni][ok]C[White sacrificed two stones.
Now black's two stones in the center are quite weak.]
;B[nj]
;W[nk]
;B[ol]
;W[mk]LB[mh:B][nm:A])
(;B[ph]
;W[rg]
;B[qg]
;W[rh]
;B[rf]
;W[rn]C[White can live easily.]))
(;W[oj]C[How about this move?]
(;B[oi]C[Then black changes his mind.]
;W[nj]LB[qh:A][mj:B][om:C]C[Now the white stone A is big enough and black has no weakness.
So black can attack continue with B or C.])
(;B[nj]
;W[oi]
;B[oh]C[This is overplay.]
;W[ph]
;B[qj]
;W[pk]
;B[rh]
;W[og]
;B[nh]
;W[rg]
;B[rk]
;W[rl]C[There is no way to live.]
(;B[qg]
;W[pg]
;B[ri]
;W[sh]C[Hane is great!]
;B[sj]
;W[sg]
;B[si]
;W[sl])
(;B[rj]
;W[sk]C[Also hane is great!]
;B[si]
;W[sl]
;B[sj]
;W[sg]))))
(;B[ph]C[If black plays hane]
;W[pi]
;B[qg]
;W[rh]
;B[ri]
;W[oh]
;B[pg]
;W[nj]
;B[oj]
;W[oi]
;B[mj]
;W[nh]
;B[nk]
;W[lh]C[White can escape easily.]))
(;W[pi]C[This is the worst way.]
;B[qh]
;W[oh]
;B[nh]
;W[og]LB[nd:A][le:C][mf:B]C[White is too heavy.
After that black has more possibilities to attack A to C.])))
