(;
GM[1]FF[4]VW[]AP[Many Faces of Go:10.0]
SZ[19]
HA[0]
ST[1]
PB[R Borcherds, 5k]
PW[G Bayliss, 3k]
DT[1981]
KM[5.5]
RE[W+3]
SO[BGJ 54 page 24]
BR[5 kyu]
WR[3 kyu]

C[Copyright British Go Association 1981, 1998 
];B[pd];W[dd];B[dp];W[pq];B[qo];W[pl];B[pn];W[np]
;B[rq];W[jq];B[qi];W[jd];B[cj];W[nc];B[cf];W[fd];B[pf];W[fq]
;B[fp];W[gp];B[eq];W[fo];B[ep];W[go];B[dn];W[nn]
C[W26-B29: White should not play this exchange.  
];B[om];W[nm]
;B[ol]
C[W26-B29: White should not play this exchange.  
]LB[ol:29][nm:28][om:27][nn:26]
;W[fl]
(;B[nl]
C[B31-39: Black should not force white to make territory but just
hane round the top of 6.  
]LB[pk:A][pl:6]
;W[ml];B[mk];W[lk];B[ll];W[mm];B[lj];W[kk]
(;B[mi]
C[B31-39: Black should not force white to make territory but just
hane round the top of 6.  

B39: Black should connect solidly.  
]LB[mj:A][pl:6][mi:39][kk:38][lj:37][mm:36][ll:35][lk:34][mk:33][ml:32][nl:31]
;W[ce];B[kj];W[jk];B[jj];W[df];B[ik];W[km];B[lc]
;W[qc];B[pc];W[pb];B[ob];W[rb];B[pa];W[qb]
(;B[nd]
C[B55: It would be better to connect.  
]LB[oc:A]
;W[rf];B[hc]
C[B57-B69: White gets a very good result out of this sequence.
];W[hd];B[gd];W[gc];B[id];W[ge];B[ie]
;W[ic];B[jc];W[hb];B[kd];W[jb];B[je]
C[B57-B69: White gets a very good result out of this sequence.
]LB[je:69][jb:68][kd:67][hb:66][jc:65][ic:64][ie:63][ge:62][id:61][gc:60][gd:59][hd:58][hc:57]
;W[rg];B[cg];W[ri];B[rj]
;W[qh];B[si];W[rh];B[pi];W[ph]
(;B[oh]
C[B79: The hane is disasterous, black should just push up to 82
(A) because of the aji of the cut at 84 (B).  
]LB[qj:B][oi:A]
;W[og];B[pg];W[oi];B[nh];W[qj];B[pj];W[qk];B[cc]
;W[bd]
C[W88: Correct. At this point Nagahara asked Stuart Dowsey how
strong the players were and was impressed at how well they were
playing for their grades.  
];B[im]
C[B89: Nagahara grunted.  
];W[ij];B[hj]
(;W[ii]
C[W92: White should sacrifice this stone and push through (at A)
between 45 and 89.  
]LB[il:A]
;B[hk];W[hi];B[fk];W[ek];B[fj];W[ej];B[fh];W[ei]
;B[hg];W[fi];B[gi];W[gh];B[gj];W[fg];B[hh];W[eh]
(;B[cl]
C[B109: Black cannot make the one point jump because white can
attach to 13 and cross cut. Instead black should put a stone
immediately next to 13.  
]LB[ck:A][cj:13]
;W[jn]
(;B[in]
C[B111: Black should play at 118 (A) because it is very large.
]LB[gq:A]
;W[jo]
C[W112: White should ignore 111 and protect against 118 (/\\). 
];B[pr]
C[B113-B115 Large, but 118 is larger.  
];W[or];B[qr]
C[B113-B115 Large, but 118 (A) is larger.  
]LB[gq:A][qr:15][or:14][pr:13]

(;W[gr]
C[W116: Should just connect at 118 (A) because the hane and connection
is sente.  
]LB[gq:A]
;B[fr];W[gq];B[rm]
C[B119: Now black should protect against the attachment to 13 and
cross cut. This is the big issue that both players are missing
and continue to miss for the whole game.  
]LB[cj:13]
;W[rk];B[oq]
C[B121: Large.  
];W[nq];B[op];W[oo]
;B[pp];W[lb];B[nb];W[hf];B[if];W[gg];B[ih];W[jl];B[gl];W[er]
;B[dr];W[fs];B[nr];W[mr];B[os]
(;W[ds]
C[W140: Should be at 141 (A), which either lives or connects up.
]LB[cr:A]
;B[cr];W[cs];B[bs];W[es];B[br];W[bf]
C[W146: Very bad because it cuts down white's gain from the attachment
and cross cut mentioned earlier.  
];B[bg];W[oj]
;B[qe]
C[B149, W150: Though neither player noticed it, this exchange opens
up the possibilities in Dia A.  
];W[re]
C[B149, W150: Though neither player noticed it, this exchange opens
up the possibilities in variation to move 151.  
]LB[re:50][qe:49]

(;B[ms]
C[Variation shown which takes advantage of 149 - 150 exchange.
]LB[ra:A]
;W[lr];B[mb];W[kb];B[af];W[be];B[el];W[fm];B[em]
;W[il];B[gm];W[fn];B[hl]
(;W[ci]
C[This variation is the cross cut mentioned earlier. See 166. 
];B[bi];W[ch]
C[W166: White should cross cut as shown in variation to move 164.
It is several points better.  
]LB[bj:A]
;B[bh]
C[167 moves recorded.  

White won by 3 points.  

])
(;W[ci];B[bi];W[bj];B[bk];W[bh];B[aj];W[ch];B[ah]LB[ah:8][ch:7][aj:6][bh:5][bk:4][bj:3][bi:2][ci:1]
))
(;B[ra];W[qa];B[rd];W[qd];B[sb]LB[sb:5][qd:4][rd:3][qa:2][ra:1]
))
(;W[cr]))
(;W[gq]))
(;B[gq]))
(;B[ck]))
(;W[il]))
(;B[oi]))
(;B[oc]))
(;B[mj]))
(;B[pk]))
