(;
GM[1]FF[4]VW[]AP[Many Faces of Go:10.0]
SZ[19]
HA[0]
ST[1]
PB[Komatsu]
PW[Nakazawa]
DT[1992]
PC[Tokyo]
KM[5.5]
TM[30 secs/10mins]
RE[B+R]
SO[Video tape of NHK TVprogram]
US[Richard Hunter]
EV[40th NHK cup]
BR[8 dan pro]

C[Game (Go = 1): 1 Fileformat: 4 Partial view: 









Event: 40th NHK cup Game name: BGJ 112 Black's rank: 8 dan Whites
rank: Ladies Honinbo Round: 2 Applications of semeai.  Komatsu
vs. Nakazawa.  

Time left for black: 1800.0 Time left for white: 1800.0 KI 11
];B[pd];W[cp];B[pq];W[dd];B[eq];W[po];B[qo];W[qn]
;B[qp];W[pm];B[np];W[qi];B[qg];W[oi];B[cf]
(;W[dj];B[fc];W[fd];B[gd];W[ec];B[fe];W[ed];B[fb];W[ge]
;B[hd]
(;W[he];B[ie];W[id];B[ff];W[gg]
(;B[eb]
(;W[db]
C[Fills a liberty.  

];B[hb]
C[Good shape.  

];W[df]
(;B[dg];W[ce]
(;B[ef];W[de]
(;B[jd]
C[Shows confidence.  

]
(;W[eh]
C[PROBLEM: Black to play.  Figure 1.  

]
(;B[fh];W[fg]
(;B[eg];W[hg]
(;B[ci];W[dh]
(;B[ch]
(;W[cj];B[be];W[bd]
(;B[bf];W[cc]
C[Necessary.  

];B[di];W[ei];B[ej]
(;W[fi]
(;B[ek]
C[Overplay.  Figure 2 (41-57).  

];W[cl]
(;B[dl]
(;W[bi]
C[Komatsu wasn't expecting this. It gains a move.  

];B[bh]
(;W[bk];B[cm];W[bm];B[gh]
(;W[gj];B[dk]
(;W[ck];B[gf];W[hf];B[hh];W[if];B[ih];W[cg];B[bg];W[ee]
(;B[cg]
C[If White played t now, Black would not answer at t.  PROBLEM:
White to play.  

TR: 78 B12 

]
(;W[ji];B[jf];W[je];B[ig];W[ie];B[ke]
(;W[ic]
AW[ie]

C[Diagram Figure 4 (79-84).  

]
(;B[kc]
C[Must give way.  

];W[jc];B[kd];W[kb];B[lb];W[jb];B[hc]
(;W[mb]
(;B[lc]
C[93 moves. White resigns.  Diagram Figure 5 (85-93).  

End position.  

])
(;B[lc];W[la]
C[Continuation.  

]
(;B[ka]
(;W[ja]
(;B[ia];W[ma];B[ib];W[ka];B[mc];W[nb];B[oc])
(;B[ia];W[ka];B[mc];W[nb];B[ma];W[na];B[ib];W[ma];B[nc]
;W[ob];B[pb];W[oc];B[od];W[pc];B[qc]
C[Diagram 21.  

]))
(;W[ja];B[mc]))
(;B[ka];W[ma];B[ia];W[ja];B[ib];W[ka])))
(;W[mb];B[la];W[kf];B[jg];W[lc]))
(;B[kc];W[kb]
C[Not discussed.  

];B[jc];W[ib];B[jb])
(;B[kc];W[jg];B[kf];W[jh];B[ib];W[jc];B[kd];W[jb];B[kb]
C[Diagram 20.  

]))
(;W[ic];B[jc];W[kf];B[jg];W[kd];B[le];W[jb];B[kc];W[kb]
;B[lc]
(;W[ib];B[lb];W[ha];B[hc];W[gb];B[gc];W[ga])
(;W[ib];B[hc];W[lb]))
(;W[ic];B[jc];W[kf];B[jg];W[kd];B[le];W[jb];B[kc];W[kb]
;B[lc];W[ib]
C[Diagram 18.  

]))
(;W[ji];B[je];W[jf];B[kf];W[jg]
C[That's as far as they got, but it doesn't look good.  

];B[jh];W[kg];B[kh];W[lg]
;B[hk];W[hj];B[ij];W[gk];B[gl];W[ik];B[hl];W[ii];B[jj];W[hi]
;B[ki]))
(;B[cg]
(;W[ae]
C[Correct.  White wins this semeai.  

TR: 79 H14 

];B[hk];W[af];B[gi];W[fj];B[hj];W[ag]
C[Diagram 22.  Note Black t is completely redundant. Same number
of liberties without it.  

])
(;W[ae];B[jf]
(;W[je];B[ig];W[ie];B[ke]
(;W[ic];B[kc];W[af]
C[Diagram 21.  

])
(;W[ic];B[jc];W[kf];B[jg];W[kd];B[le];W[jb];B[kc];W[kb]
;B[lc];W[ib]))
(;W[je];B[ke];W[jg];B[ie];W[ig]))
(;W[ae];B[je]
C[Play here instead? 

];W[jf];B[kf]
(;W[jg];B[kh];W[af];B[kg];W[ag];B[jh]
C[Diagram (23 omitted).  Shibori.  

];W[ah];B[pj])
(;W[jg];B[hj];W[gk];B[gi];W[fj];B[hk];W[gl];B[kh];W[af]
;B[kg];W[ag];B[jh];W[ah])))
(;B[cg];W[je];B[hk];W[hj];B[ij];W[gk];B[gl];W[hl];B[ik]
;W[fl];B[gm];W[fk];B[fm];W[em];B[dm];W[en];B[el];W[cn];B[gi]
C[Diagram 16.  

])
(;B[cg];W[ij];B[je];W[jf];B[kf];W[jg];B[lh]
C[Diagram 17.  

]))
(;W[ck]
(;B[hh];W[ih]
C[Good for White? 

];B[hf];W[hi];B[gf];W[gi];B[eo])
(;B[hh];W[if])))
(;W[gj]
(;B[hh];W[ig];B[ih];W[jg]
(;B[jh];W[kh];B[hk];W[hj];B[ij];W[gk];B[gl];W[ik];B[hl]
;W[ii];B[jj];W[ji]
C[Diagram 15.  



])
(;B[jh];W[kg];B[hk];W[hj];B[ij];W[gk];B[gl];W[hl];B[ik]
;W[fl];B[gm];W[fk];B[em];W[fm];B[fn];W[gn];B[hm];W[en];B[fo]
(;W[el]
C[Diagram 11.  

])
(;W[el];B[dm];W[dk]
C[Diagram 12.  

])
(;W[el];B[gi]
C[Diagram 13.  

])))
(;B[hh];W[ih];B[hf];W[hi];B[gf];W[gi];B[eo]
C[Diagram 14.  

])))
(;W[bk];B[gh]))
(;W[bi];B[gh];W[bh];B[cg]
(;W[gj]
(;B[hh];W[ig];B[ih];W[jg]
(;B[jh];W[kg];B[hk];W[gk];B[gl];W[hj];B[ij];W[hl];B[ik]
;W[fl];B[gm]
(;W[fk]
(;B[ck];W[bk];B[fm];W[el];B[dk];W[bj];B[gi];W[fj];B[dm]
C[Diagram 7.  

])
(;B[ck];W[bj];B[fm];W[el];B[dk];W[em];B[bk];W[bg]))
(;W[fk];B[em];W[fm];B[fn];W[gn];B[hm];W[en];B[ck];W[bj]
;B[fo];W[dk]))
(;B[jh];W[hk];B[gf];W[hf];B[kg];W[jf];B[kf];W[je];B[ke]
C[Diagram 9.  

]))
(;B[hh];W[ih];B[hf];W[hi];B[gf];W[gi]
C[Diagram 8.  

])
(;B[hh];W[if];B[ih];W[hk];B[gf];W[hf];B[jf];W[je];B[ig]
;W[ie];B[ke];W[ic]
C[Diagram 10.  

]))
(;W[gj];B[gf]
C[Komatsu's reading.  He wanted to force White to connect.  

];W[hf];B[hh];W[ig];B[ih];W[jg];B[jh];W[kg]
;B[hk];W[hj];B[ij];W[gk];B[gl];W[hl];B[ik];W[fl];B[gm];W[fk]
;B[ck]
(;W[bj]
C[Black only has four liberties.  Of course, things would be different
without the marked exchange.

TR: 85 H14 

];B[em];W[fm];B[fn];W[gn];B[hm];W[en];B[fo];W[dk]
C[This is why he wanted a stone at A.  



])
(;W[bj];B[fm];W[el];B[dk];W[em];B[bk];W[bg]
C[Too slow.  But this would work without the marked exchange. 

TR: 91 H14 

]))))
(;B[dl];W[bk]
C[Komatsu expected this move.  

];B[cm];W[bm];B[gh];W[gj];B[hh];W[if];B[ih]
;W[bi]))
(;B[ek]
(;W[bj]
C[Black expected this.  

]
(;B[gh];W[gj];B[hh];W[ig];B[ih];W[jg];B[jh];W[kg];B[hk]
;W[gk];B[gl];W[hj];B[ij]
C[Diagram 6.  



])
(;B[gh];W[gi];B[hh];W[ig];B[ih];W[jg];B[hj]
C[Diagram 5.  

]))
(;W[bj];B[cl];W[bl])))
(;W[fi];B[bj];W[bk];B[aj];W[cl];B[bh]
C[Diagram 4.  

]))
(;B[bf];W[bi];B[bh];W[bj]
C[PROBLEM: Black to play.  

];B[bc]
C[Correct.  

]
(;W[cc];B[bb];W[ad];B[cb]
C[Unconditionally dead.  

])
(;W[cc];B[ad]
C[This is clearly ko.  

])))
(;W[cj];B[di];W[ei];B[ej];W[fi]))
(;B[ch];W[bf]
C[No good.  

];B[di];W[ei];B[ej];W[fi];B[fj];W[gi];B[dk]
;W[cg];B[do]
C[Diagram 3.  

]))
(;B[ci];W[cj]
C[No good.  

];B[ei]))
(;B[eg];W[if]
(;B[je];W[gh];B[fi];W[ei]
C[PROBLEM: Black to play.  Diagram 2.  



])
(;B[je];W[ei];B[gf];W[hf];B[hg];W[gh];B[hh];W[gi];B[jg]
C[Diagram 1.  

])))
(;B[fh];W[fi]))
(;W[eh];B[do]
C[Black could sacrifice.  

]))
(;B[jd];W[fh]
C[Actually, this may be better.  

];B[eh];W[ei]))
(;B[ef];B[ei]))
(;B[dg];W[ef]
C[How about here? 

];B[fg];W[eg];B[fh];W[if];B[je];W[dh]))
(;W[db];B[cc]
C[This looks like an overplay for Black, but actually it might
be better.  

];W[gc];B[hc];W[hb]
C[Tesuji.  

];B[ic];W[gb];B[jd];W[hg]
;B[cd]
C[Reasonable for Black? 

]))
(;B[eb];W[cc]
C[Standard book shape.  

]))
(;W[he];B[id];W[ie];B[jd];W[je]))
(;W[dj];B[do]
C[Leads to a carpenter's square.  

];W[dp];B[ep];W[eo];B[dn];W[fo]
(;B[bo]
C[PROBLEM: White to play.  

];W[co]
C[Correct.  Push first.  

];B[cn];W[bp];B[bn];W[dq];B[er];W[dr];B[hq]
;W[em];B[br]
C[PROBLEM: White to play.  

];W[ar]
C[Correct.  White should play this side.  

];B[ds];W[cs];B[cr];W[es];B[bs];W[ds];B[bq]
C[Locally, this is dead, but [ text missing here 
]
;W[fr]
C[Black's wall is too weak to withstand the counterattack.  

])
(;B[bo];W[bp]
C[Wrong.  

];B[em]
C[Tesuji.  

];W[co];B[bn])))
