(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]

(;AB[pd][dp][pp]C[This is a special game!

Ishida Yoshio 9p vs Takemiya Masaki 9p.
Takamiya plays white.
3 handicap game.
This game was played for Ishida's "Pro-Pro Handicap Go" book]N[Ishida_Yoshio-Takemiya_Masaki.sgf]OH[3]
;W[cd]
;B[ed]
;W[ec]
;B[fc]
;W[dc]
;B[gd]
;W[cf]
;B[pj]C[The formation on the right is the famous san-ren-sei.]
;W[nc]C[White approaches...]
;B[lc]C[And black pincers.]
;W[qc]
;B[qd]
;W[pc]
;B[od]
;W[nb]
;B[nd]
;W[nq]C[And again..]
;B[lq]C[But white has a trick up his sleeve!]
;W[qp]C[This move can be powerful when your opponent wants to build moyo on the right side in this case.

It is a flexible move and poses a question: which side do you really want? The right side? or the lower side?]
(;B[qq]
(;W[pq]C[In the game white plays here to complicate things]
;B[po]
;W[rq]
;B[qr]
;W[qo]C[After this move still gets a position on the right side and breaks blacks moyo a bit over there.]
;B[oq]
;W[qm]
;B[pn]
;W[rr]
;B[pr]
;W[rl]
;B[pm]
;W[fp]C[Now there are other moyos to destroy :-)]
;B[hp]
;W[dn]
;B[eo]
;W[cq]
;B[cp]
;W[dq]
;B[eq]
;W[ep]
;B[fq]
;W[fo]
;B[bq]
;W[br]
;B[bp]
;W[fn]
;B[er]
;W[bo]
;B[cr]
;W[ho]
;B[io]
;W[in]
;B[hn]
;W[hm]
;B[go]
;W[gn]
;B[im]
;W[ho]
;B[qn]
;W[rn]
;B[hn]
;W[cs]
;B[dr]
;W[ho]
;B[oc]
;W[ob]
;B[hn]
;W[il]
;B[jn]
;W[jm]
;B[rc]
;W[rb]
;B[jl]
;W[in]
;B[qb]
;W[ho]
;B[pb]
;W[jo]
;B[fg]
;W[jc]
;B[id]
;W[jd]
;B[je]
;W[ic]
;B[ie]
;W[lb]
;B[kb]
;W[kc]
;B[mb]
;W[mc]
;B[la]
;W[ld]
;B[hc]
;W[lb]
;B[ql]
;W[rm]
;B[lc]
;W[hb]
;B[md]
;W[lb]
;B[ro]
;W[ma]
;B[rp]
;W[qk]
;B[rj]
;W[qj]
;B[qi]
;W[pi]
;B[rh]
;W[oj]
;B[pk]
;W[pl]
;B[ok]
;W[ol]
;B[nk]
;W[nl]
;B[ml]
;W[mk]
;B[nj]
;W[mj]
;B[ni]
;W[mm]
;B[ll]
;W[lm]
;B[jk]
;W[mi]
;B[mh]
;W[nh]
;B[oi]
;W[lh]
;B[mg]
;W[kj]
;B[kl]
;W[nn]
;B[de]
;W[ng]
;B[oh]
;W[ce]
;B[ii]
;W[jj]
;B[gb]
;W[ip]
;B[eb]
;W[db]
;B[lg]
;W[ij]
;B[ib]
;W[jb]
;B[li]
;W[lj]
;B[bm]
;W[mq]
;B[ir]
;W[bk]
;B[cn]
;W[eg]
;B[eh]
;W[ef]
;B[fi]
;W[ch]
;B[da]
;W[ca]
;B[ea]
;W[cb]
;B[ha]
;W[kh]
;B[le]
;W[fe]
;B[dh]
;W[ci]
;B[ff]
;W[ee]
;B[ge]
;W[hr]
;B[hq]
;W[jr]
;B[gr]
;W[iq]
;B[hs]
;W[js]
;B[no]
;W[mo]
;B[np]
;W[mp]
;B[nr]
;W[mr]
;B[hi]
;W[dm]
;B[do]
;W[ns]
;B[bl]
;W[ck]
;B[fk]
;W[dg]
;B[or]
;W[rk]
;B[sk]
;W[kg]
;B[jf]
;W[fd]
;B[hk]
;W[ik]
;B[di]
;W[gl]
;B[gk]
;W[jh]
;B[ih]
;W[gp]
;B[sn]
;W[sl]
;B[sj]
;W[hj]
;B[gj]
;W[lf]
;B[mf]
;W[kf]
;B[ke]
;W[dj]
;B[ej]
;W[gh]
;B[fh]
;W[ji]
;B[jg]
;W[cm]
;B[bn]
;W[al]
;B[am]
;W[ak]
;B[dk]
;W[cj]
;B[fl]
;W[oo]
;B[op]
;W[on]
;B[om]
;W[nm]
;B[os]
;W[ms]
;B[kd]
;W[lc]
;B[oa]
;W[ja]
;B[ia]
;W[dl]
;B[ek])
(;W[qo]C[White could now consider this side. However white would get a slightly weak group.]
;B[pq]
;W[po]
;B[oo]
;W[on]
;B[no]
;W[ql]C[White breaks open the right side, but black gets a big bottom, and white can still be attacked]
;B[rk]))
(;B[qo]C[When black goes for the right side...]
;W[qq]C[White can play here and connect.]
(;B[pq]
;W[qr]
;B[pr]
;W[po]
(;B[np]
;W[qn])
(;B[qn]
;W[op]))
(;B[po]C[Black will have to connect here.]
(;W[or]C[And white destroyed more of black's territory than when white would invade on 3-3.])
(;W[pq]C[Note that this move is a bit dangerous.]
(;B[or]C[There is a big peep here. This aji does not work immediately though.]
;W[nr]C[White can capture.]
;B[no]C[However all kinds of moves in this area are sente.])
(;B[mo]C[Therefore black can play this type of move in sente.])))))
(;C[This is a game between Ito Yoji 2p and Sato Machiko 1p, skip to move 89.]N[Ito_Yoji-Sato_Machiko.sgf]
;B[qd]
;W[dp]
;B[dd]
;W[pp]
;B[kd]
;W[jp]
;B[dj]
;W[pj]
;B[ph]
;W[od]
;B[oc]
;W[pd]
;B[pc]
;W[qe]
;B[nd]
;W[qc]
;B[rd]
;W[of]
;B[re]
;W[qf]
;B[qb]
;W[mf]
;B[cn]
;W[en]
;B[kf]
;W[fc]
;B[ec]
;W[fd]
;B[df]
;W[ic]
;B[jc]
;W[id]
;B[ff]
;W[if]
;B[kh]
;W[ih]
;B[ng]
;W[le]
;B[ke]
;W[mg]
;B[nh]
;W[mh]
;B[oj]
;W[ld]
;B[me]
;W[md]
;B[ne]
;W[nf]
;B[mc]
;W[pk]
;B[pi]
;W[mj]
;B[ok]
;W[pl]
;B[ol]
;W[pm]
;B[ml]
;W[ki]
;B[jh]
;W[ji]
;B[ii]
;W[ig]
;B[kg]
;W[ni]
;B[oi]
;W[kk]
;B[ij]
;W[km]
;B[li]
;W[lj]
;B[rg]
;W[gh]
;B[jk]
;W[kj]
;B[fj]
;W[eh]
;B[dh]
;W[ei]
;B[ej]
;W[di]
;B[ci]
;W[dg]
;B[ch]
;W[eg]
;B[cg]
;W[ef]
;B[de]
;W[pq]
;B[hq]
;W[jq]
;B[dq]LB[hq:A][jq:B]C[Great move. black is testing which direction white wants.
Because of the exchange of black A for white B black has some supporting troops on the lower side.]
(;W[eq]C[White goes for the lower side.]
;B[er]
;W[dr]
;B[cq]
;W[fr]
;B[ep]
;W[fq]
;B[do]
;W[fp]
;B[eo]
;W[fo]LB[fn:A]C[White feels overconcentrated on the lower side. A big cut at A remains.]
;B[nn]
;W[mp]
;B[np]
;W[nq]
;B[mo]
;W[lp]
;B[im]
;W[jn]
;B[qj]
;W[qk]
;B[rj]
;W[rk]
;B[fn]
;W[gn]
;B[fm]
;W[cr]
;B[bq]
;W[fb]
;B[eb]
;W[ea]
;B[da]
;W[fa]
;B[db]
;W[lf]
;B[lc]
;W[br]
;B[gm]
;W[hn]
;B[po]
;W[qo]
;B[pn]
;W[qn]
;B[sk]
;W[sl]
;B[sj]
;W[rl]
;B[qg]
;W[aq]
;B[bo]
;W[oe]
;B[nc]
;W[gi]
;B[gj]
;W[pg]
;B[ee]
;W[fe]
;B[fi]
;W[fh]
;B[hi]
;W[hh]
;B[oh]
;W[jb]
;B[kb]
;W[jd]
;B[kc]
;W[rf]
;B[sf]
;W[rh]
;B[sh]
;W[jl]
;B[il]
;W[jj]
;B[ik]
;W[ln]
;B[in]
;W[io]
;B[ib]
;W[hb]
;B[ja]
;W[ap]
;B[jm]
;W[lo]
;B[kl]
;W[ll]
;B[mm]
;W[jl]
;B[lh]
;W[mi]
;B[kl]
;W[lm]
;B[mk]
;W[jl]
;B[je]
;W[ie]
;B[hm]
;W[om]
;B[nm]
;W[op]
;B[no]
;W[nj]
;B[nk]
;W[ha]
;B[kl]
;W[lk]
;B[og]
;W[pf]
;B[ao]
;W[ia]
;B[bp]
;W[ar]
;B[jb]
;W[jl])
(;W[cq]
;B[eq]
;W[cp]
;B[ep]C[This would be painful for white]))
(;C[This is a game between Cho Chikun 1p playing black and Kato Masao 1p playing white.
(Skip to move 100)]N[Cho_Chikun-Kato_Masao.sgf]
;B[pd]
;W[dc]
;B[dq]
;W[qp]
;B[ce]
;W[ed]
;B[ci]
;W[co]
;B[fp]
;W[oq]
;B[cp]
;W[ck]
;B[bo]
;W[cg]
;B[ee]
;W[fe]
;B[ef]
;W[dh]
;B[dj]
;W[fh]
;B[dd]
;W[cd]
;B[de]
;W[cc]
;B[fd]
;W[ec]
;B[ge]
;W[ff]
;B[fg]
;W[gf]
;B[eg]
;W[eh]
;B[gg]
;W[hf]
;B[ch]
;W[dg]
;B[bg]
;W[bf]
;B[be]
;W[bh]
;B[bi]
;W[ag]
;B[fj]
;W[ej]
;B[ek]
;W[gj]
;B[fk]
;W[hg]
;B[gh]
;W[gi]
;B[hh]
;W[dk]
;B[ei]
;W[fi]
;B[ih]
;W[ij]
;B[cj]
;W[he]
;B[kh]
;W[fm]
;B[gl]
;W[kj]
;B[jf]
;W[fo]
;B[hk]
;W[ii]
;B[go]
;W[ep]
;B[eo]
;W[fn]
;B[gp]
;W[do]
;B[eq]
;W[bn]
;B[bp]
;W[en]
;B[cm]
;W[fl]
;B[gk]
;W[bm]
;B[hm]
;W[bk]
;B[mi]
;W[jl]
;B[jn]
;W[kn]
;B[ko]
;W[ln]
;B[lo]
;W[mn]
;B[mo]
;W[nn]
;B[jd]
;W[pi]
;B[ic]
;W[gc]
;B[oh]
;W[qf]
;B[ph]
;W[pc]
;B[qc]
;W[qd]
;B[oc]
;W[pb]
;B[qb]
;W[ob]
;B[od]
;W[rb]
;B[rd]
;W[qe]
;B[rc]
;W[nb]
;B[sb]
;W[ne]
;B[pf]
;W[pe]
;B[oe]
;W[of]
;B[nf]
;W[pg]
;B[og]
;W[mf]
;B[pf]
;W[jh]
;B[qg]
;W[jg]
;B[ig]
;W[if]
;B[kg]
;W[ji]
;B[ke]
;W[qi]
;B[oj]
;W[pk]
;B[mq]
;W[np]
;B[ok]
;W[mp]
;B[pl]
;W[ql]
;B[lq]
;W[lp]
;B[kp]
;W[kq]
;B[jq]
;W[kr]
;B[jr]
;W[in]
;B[jm]
;W[im]
;B[hn]
;W[jo]
;B[jp]
;W[ol]
;B[pj]
;W[qk]
;B[qq]
;W[qr]
;B[qj]
;W[rj]
;B[rk]
;W[rl]
;B[ri]
;W[sk]
;B[si]
;W[nr]
;B[lr]
;W[km]
;B[hb]
;W[ip]
;B[iq]
;W[li]
;B[lh]
;W[mj]
;B[ni]
;W[nl]
;B[el]
;W[dl]
;B[ea]
;W[da]
;B[no]
;W[oo]
;B[nq]
;W[op]
;B[ga]
;W[eb]
;B[hd]
;W[gd]
;B[ie]
;W[fc]
;B[hc]
;W[ms]
;B[ks]
;W[fa]
;B[dp]
;W[an]
;B[gb]
;W[eo]
;B[ik]
;W[jk]
;B[nk]
;W[mk]
;B[ki]
;W[lj]
;B[mr]
;W[or]
;B[hp]
;W[io]
;B[ak]
;W[aj]
;B[ai]
;W[al]
;B[ah]
;W[bg]
;B[bj]
;W[ao]
;B[dm]
;W[em]
;B[ak]
;W[bl]
;B[hj]
;W[hi]
;B[ap]
;W[sj]
;B[oi]
;W[fb]
;B[il]
;W[cn]
;B[gm]
;W[aj]
;B[sm]
;W[pm]
;B[ak]
;W[lf]
;B[kf]
;W[aj])
(;C[Takagawa Kaku 7p and Hasegawa Akira 7p]N[Takagawa_Kaku-Hasegawa_Akira.sgf]
;B[pd]
;W[dc]
;B[pp]
;W[eq]
;B[de]
;W[eo]
;B[pj]
;W[nq]
;B[pn]
;W[kp]
;B[fd]
;W[ce]
;B[dd]
;W[cd]
;B[ec]
;W[db]
;B[df]
;W[eb]
;B[fb]
;W[gc]
;B[fc]
;W[cf]
;B[dg]
;W[nc]
;B[lc]
;W[qd]
;B[qc]
;W[pc]
;B[pe]
;W[qb]
;B[rc]
;W[ob]
;B[rb]
;W[od]
;B[qa]
;W[of]
;B[oe]
;W[ne]
;B[pb]
;W[pf]
;B[oc]
;W[mf]
;B[nd]
;W[md]
;B[ld]
;W[kf]
;B[mc]
;W[od]
;B[cc]
;W[pc]
;B[bc]
;W[qe]
;B[cg]
;W[jd]
;B[jc]
;W[pl]
;B[om]
;W[ol]
;B[nl]
;W[ok]
;B[cp]
;W[cn]
;B[dq]
;W[er]
;B[bn]
;W[bm]
;B[bo]
;W[cm]
;B[dr]
;W[pr]
;B[qq]
;W[qm]
;B[iq]
;W[ip]
;B[hp]
;W[io]
;B[jq]
;W[kq]
;B[gr]
;W[ho]
;B[gp]
;W[go]
;B[fp]
;W[nm]
;B[ep]
;W[nn]
;B[np]
;W[mp]
;B[oq]
;W[nr]
;B[qn]
;W[rm]
;B[qr]
;W[di]
;B[id]
;W[ie]
;B[je]
;W[jf]
;B[gi]
;W[hd]
;B[kd]
;W[ic]
;B[ib]
;W[jd]
;B[hj]
;W[bh]
;B[bg]
;W[hb]
;B[id]
;W[bd]
;B[cb]
;W[jd]
;B[sf]
;W[jb]
;B[rg]
;W[rf]
;B[sd]
;W[qg]
;B[rh]
;W[qi]
;B[jj]
;W[ci]
;B[lj]
;W[ri]
;B[ml]
;W[no]
;B[nj]
;W[oj]
;B[ek]
;W[dk]
;B[ej]
;W[or]
;B[rn]
;W[sn]
;B[so]
;W[sm]
;B[rp]
;W[ki]
;B[li]
;W[kh]
;B[kj]
;W[ge]
;B[op]
;W[ag]
;B[af]
;W[ah]
;B[bf]
;W[km]
;B[oi]
;W[pi]
;B[pm]
;W[ql]
;B[dj]
;W[ck]
;B[em]
;W[fl]
;B[el]
;W[hl]
;B[ni]
;W[hh]
;B[gh]
;W[jl]
;B[hg]
;W[ih]
;B[ig]
;W[ij]
;B[ii]
;W[ik]
;B[ji]
;W[jh]
;B[hi]
;W[fm]
;B[fn]
;W[fo]
;B[en]
;W[gg]
;B[gf]
;W[fg]
;B[ff]
;W[ei]))
