(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[백 Cho Hye Yeon 9p]PB[badukmovies]C[Far attachment tesuji(an advanced one)! 

]
(;B[pd]C[This was the official match between Lee Changho 9p(black) and Cho Hunhyun 9p (white). It was the final match of the 40th Kuksu title. Played in 1996
]
;W[dd]
(;B[pp]
;W[dp]
;B[fq]
;W[hq]
;B[fo]
;W[cn]
;B[ip]
;W[eq]
;B[iq]
;W[fr]
;B[gq]
;W[qn]
;B[ql]
;W[qq]
;B[pq]
;W[qp]
;B[po]
;W[qr]
;B[pn]
;W[rn]
;B[pr]
;W[nc]
;B[pf]
;W[jd]
;B[cf]
;W[fc]
;B[bd]
;W[cg]
;B[dg]
;W[ch]
;B[dh]
;W[bf]
;B[ce]
;W[cj]
;B[di]
;W[ck]
;B[cc]
;W[dc]
;B[be]
;W[ef]
;B[ee]
;W[fe]
;B[qm]TR[og][nh][mi][lj][kk][jl][im][hn][go][fp]C[Black plays a thick move.
It's time for white to do something about Lee Changho's moyo!
When invading a moyo it often helps to draw a line. Play at the line! ]
(;W[jl]TR[og][nh][mi][lj][kk][im][hn][go][fp]C[Black has a moyo, and white invades.]
;B[kk]
;W[kl]
;B[lk]
;W[ll]
;B[mk]
;W[jk]
;B[rm]
;W[qs]
;B[jj]
;W[ij]
;B[ik]C[Lee Changho 9p cut here. What can white do?
]
(;W[il]C[This would be crude.]
;B[hk]
;W[hl]
;B[gk]
;W[gl]
;B[fk]
;W[fl]
;B[ek]C[This would be good for black.
])
(;W[hk]C[Not good either.]
;B[il]
;W[im]
;B[hl]
;W[gl]
;B[hm]
;W[hn]
;B[gm]C[The ladder is not working.
])
(;W[ml]
;B[nk]
(;W[io]LB[hp:A]C[This is the sequence of the real match - the marked stone is a nose tesuji and at the same time a far attachment.. But Cho Hun-hyun 9p regretted it. 
]
;B[hp]
;W[hm]
;B[hk]
;W[jo]C[This is the actual match. Instead of simply running away white makes eyeshape. But...
])
(;W[hp]C["I should have played here." Cho Hun-hyun 9p said.
]
(;B[ho]C[Black blocks, and then...
]
;W[hk]
;B[il]
;W[im]
;B[hl]
;W[gl]
;B[hm]
;W[hn]
;B[gm]
;W[go]LB[fm:A][io:B]C[Wonderful!!

This creates a miai of capturing at A or B. ])
(;B[hk]C[If black plays here...
]
;W[ho]
;B[io]
;W[hn]
;B[in]
;W[hl]
;B[il]
;W[im]
;B[jm]
;W[hm]
;B[kn]
;W[gk]
;B[hj]
;W[ii]
;B[hi]
;W[ji]
;B[kj]
;W[hh]
;B[gi]
;W[gh]
;B[fi]
;W[ir]
;B[jr]
;W[ek]C[White is much better! Cho Hun-hyun 9p regretted the sequence of the real match.
]))))
(;W[km]TR[og][nh][mi][lj][kk][jl][im][hn][go][fp]C[This would be a bit too deep for example]
;B[jl]C[White would be pressured and does not feel comfortable])
(;W[jj]TR[og][nh][mi][lj][kk][jl][im][hn][go][fp]C[This would be too passive, black is happy to secure a big chunk of territory.]
;B[kk]C[Blacks framework is big.]))
(;B[qp]
;W[dp]C[This was another match between Cho Hun-hyun 9p (who plays black in this case) and Lee Changho 9p (who plays white), played in 1997.
]
;B[kq]
;W[gq]
;B[op]
;W[qj]
;B[ql]
;W[qg]
;B[qe]
;W[mc]
;B[oc]
;W[jd]
;B[cf]
;W[ch]
;B[cc]
;W[dc]
;B[cd]
;W[de]
;B[df]
;W[ce]
;B[be]
;W[bd]
;B[bc]
;W[bf]
;B[ad]
;W[ef]
;B[bg]
;W[dg]
;B[af]
;W[cg]
;B[bf]
;W[fg]
;B[eh]
;W[eg]
;B[ph]
(;W[qq]C[A great probe. Note, we have seen this in episode #80]
;B[pq]
;W[rp]
;B[rq]
;W[qo]
;B[qr]C[After these exchanges, Lee Changho shows the purpose.]
;W[pl]LB[ph:B][ql:A]SQ[qo][rp]C[White splits black! A and B are seperated, so black can't make moyo.
A great tesuji. The marked stones help white a lot.]
;B[qh]
;W[qm]
;B[cp]
;W[cq]
;B[co]
;W[bq]
;B[en]
;W[ep]C[A Strong Haeongma. Also shown in episode 71.
]
;B[cm]
(;W[kd]C[This is the second strong haeongma. Cho Hye Yeon told us she was shocked when she saw this move!]
;B[db]
;W[eb]
;B[ec]
;W[fc]
;B[fb]
;W[ea]C[The endgame moves.
]
;B[kb]C[Wow, great tesuji!
]
(;W[jb]C[White is forced to block.]
;B[mb]
;W[kc]
;B[lb]C[This is the sequence that was played in the match.
]
;W[ig]
;B[cj]
;W[jr]
;B[jq]
;W[kr]
;B[fq]SQ[jr][kr]C[This move is a far attachment! 
It means...
]
(;W[fp]
;B[hq]
;W[gr]
;B[ir]C[Great for black!!
])
(;W[gp]C[If white plays here...
]
;B[ir]C[This is the actual sequence of the match.
]
;W[iq]
;B[hr]
;W[lq]
;B[hq]
;W[gr]
;B[lp]
;W[ip]
;B[lr]
;W[kp]
;B[mq]
;W[jp]
;B[lq]
;W[hp]C[A beautiful compromise!
Due to the far attachment, black takes seonsu and arranges the position.
]))
(;W[lb]C[If white blocks here...
]
;B[fd]C[Black plans to play here.
]
;W[ed]
;B[gc]
;W[ec]
;B[ic]
;W[jb]
;B[he]C[Black succeeds!
]))
(;W[me]C[She would have played here.
]))
(;W[qh]
;B[pj]
;W[pi]
;B[oi]
;W[qi]
;B[pk]
;W[oh]
;B[ni]C[This is a joseki, but would be nice for black. So white chooses to avoid it.])))
(;AW[dj][bk][dk][cl][el][hl][em][ho][io][bp][dp][ep][fp][hp][bq][cq][gq][hq][dr][hr][cs]AB[ek][fk][hk][dl][fl][bm][cm][dm][bo][co][cp][ip][kp][mp][op][dq][eq][fq][iq][er][gr]LB[fk:B][cm:A]SQ[el][em]C[This is a problem: black to play!]
(;B[en]
;W[fm]
;B[gm]
;W[fn]
;B[fo]
;W[gn]
;B[eo]
;W[gp]C[Black in the left cannot live.
])
(;B[fn]
;W[en]
;B[eo]
;W[do]
;B[dn]
;W[fo]C[Black is dead!
])
(;B[eo]C[What about this move?
]
;W[fo]
(;B[en]
;W[fm]
;B[fn]
;W[gm]
;B[gn]
;W[hn]C[Black fails to live.
])
(;B[fn]
;W[en]
;B[do]
;W[fm]C[Black fails]))
(;B[fo]C[Far attachment tesuji! 
]
(;W[en]
;B[eo]
;W[do]
;B[dn]C[Black succeeds!
])
(;W[fm]
;B[gm]C[White cannot save three stones!
])
(;W[fn]
;B[en]
;W[fm]
;B[gn]
;W[gm]
;B[hm]C[A ladder!
])))
(;AW[cc][ec][lc][dd][fd][kd][ge][he][ie][je][cf][cg][fg][fh][ej]AB[db][eb][fc][gc][ic][ef][ff][gf][hf][if][jf][kf][eg][ch][dh]LB[hb:A]C[In this position black is surrounded and does not feel too comfortable. But black has a tesuji to resolve the situation!]
(;B[bc]C[This move is a far attachment.
]
;W[cb]
;B[dc]
;W[ed]
;B[bb]
;W[cd]
;B[ca]
;W[bd]
;B[ac]
;W[hb]
;B[gb])
(;B[dc]C[In essence this is the same idea, just a different order.]
;W[ed]
;B[bc])))