(;
GM[1]FF[4]VW[]AP[Many Faces of Go:11.0]
SZ[19]
HA[9]
ST[1]
PB[Geoffrey Gray, 5k]
PW[Yoshiaka Nagahara, 3p]
DT[Sep 1970]
PC[Tokyo]
KM[0.5]
RE[W+R]
SO[BGJ 19, January 1973, Page 14]
AN[John Diamond]
BR[5 kyu]
WR[3 dan pro]
AB[dd][jd][pd][pj][pp][jp][jj][dj][dp]
C[Copyright British Go Association 1973, 2002 Comments by John \
Diamond except "G:" by Geoffrey Gray.]
;W[qf];B[nd];W[fq];B[dn];W[mp];B[pn];W[jm]
C[White 7: A slightly unusual move. It is played to intimidate \
black into thinking that his handicap stone has become isolated \
and therefore needs to make two eyes. The usual attack is one \
point lower.]
;B[go]
C[Black 8: G: This is questionable; Nagahara says it is bad but \
Basic Techniques of Go says it is good! -: In any event it isn’t \
so bad as it has the correct idea of separating white’s stones \
into small weak groups whilst solidifying black’s.]

;W[dq]
C[White 9: Played to stabilise white’s stone 3 and make trouble \
for black in the corner.]
;B[cq]
C[Black 10: Correct.]
;W[cr];B[br]
C[Black 12: Also correct. White is threatening to play at 13(A), \
but black must not be afraid of this as he has the counter-cut \
at 22(B).]
LB[dr:B][cp:A]
;W[cp];B[bq];W[fo];B[fn]
C[Black 16: Bad, as it leaves black full of weaknesses at cutting \
points and lets white play at 17('triangle') to force black into \
bad shape. It would have been better at A, B or 18(C).]
LB[ep:C][gn:B][gp:A]
;W[do];B[ep]
;W[eo];B[eq]
C[Black 20: Black can’t play at 23(A) because white captures 3 \
stones with a move one point to its right.]
LB[fp:A]
;W[er];B[dr];W[fp];B[dq];W[en]
C[White 25: See how white has sacrificed 9(/\\) and 11 to gain good \
shape for his stones and play at 25 to point at all black’s weaknesses.]
LB[cr:11]
;B[gn]
C[Black 26: G: Better at H, this move only makes Black’s stones \
into one big, heavy, and thereby attackable group.]
LB[lo:H]
;W[el];B[gl]
C[Black 28: Again it would have been better to have played at H \
separating White’s stonees 5 and 7.  -G: Having played at 28 \
to protect these stones I have to continue with my plan.]
LB[lo:H][jm:7][mp:5]

;W[gk];B[il]
C[Black 30: Nice light play, attacking 7 and threatening to play \
at F.  -G: Analysis of moves 28 and 30 shows that 28 is wasted.]
LB[gl:28][jm:7][fk:F]
;W[fl];B[hl]
C[Black 32: G: Bad. This move is very heavy; it should be replaced \
by E.  -E also protects 28 from capture.]
LB[gl:28][im:E]
;W[fc];B[df];W[ld];B[gd]
C[Black 36: Quite a good move, attacking White very vigorously. \
However, B, C or D are also very strong attacks in reply directly \
to 35.]
LB[ke:D][me:C][of:B][ld:35]
;W[dc];B[cc]
;W[cb];B[bb];W[cd];B[bc];W[fd];B[ed]
C[Black 44: This should have been calmly played at G.  G: I played \
this so that I could play at 46(A) or 45(B) next.  : After G \
a play at B would be very small and a play at I can be answered \
with D.]
LB[ge:I][ke:D][fe:B][ec:A][de:G]
;W[fe];B[ec]
C[Black 46: Better to play at 87(A) and protect the left hand side.]
LB[ef:A]
;W[lb]
C[White 47: Isolating the middle handicap stone from the right \
corner and starting to form a base for 35.]
LB[ld:35]
;B[jb]
;W[lf];B[jf];W[nf];B[qe]
C[Black 52: Should have been at 59(A) to aim at playing B or 53(C) \
to capture /\\.]
LB[pf:C][of:B][qd:A]
;W[pf];B[nb]
C[Black 54: Should be at H as the move played still leaves the \
corner open because of white’s stone at 'square'.  -G: Nagahara \
as white usually leaves possibilities open for Black, e.g. C \
at the moment, and usually waits for black to force him to cover \
up these threats!]
LB[me:C][oe:H]
;W[qc];B[pc]
C[Black 56: A weak answer as it allows White play at 57(A).  -G: \
I was worried about my group in case white could live in the \
corner should I stop his connection.]
LB[re:A]
;W[re];B[rd]
C[Black 58: Played to get a live group in the corner although it \
allows white to get a settled group on the outside.]

;W[qd];B[rc]
C[Black 60: Black must of course give up his stone now at 52.]
LB[qe:52]
;W[pe];B[qb];W[jh]
C[White 63: White does not save his two stones, which is only worth \
one point since if Black captures white can retake immediately, \
but instead proceeds to attack Black by separating the stones \
on the upper side from the central stone.]
;B[kg];W[ki];B[lh]
C[Black 66: This sequence is not too bad for Black.]
;W[mc]
C[White 67: A curious move for a professional - he seems to be \
worried about some disconnection possibilities, but it is still \
tricky for Black.]
;B[ke]
C[Black 68: An odd move. He cannot cut at K because after 69(A), \
70(B) white can connect by J, K, L.]
LB[le:J][mg:L][oc:B][nc:A][mf:K]

;W[nc];B[oc];W[mb];B[oa];W[ne]
C[White 73: Prevents Black playing at C.]
LB[me:C]
;B[ph]
C[Black 74: Attacks White’s group: however, it seems to be able \
to get two eyes quite easily because White can play C.]
LB[me:C]
;W[nh];B[li];W[kj];B[ni]
C[Black 78: G: I was worried about connecting my weak groups.  \
-: This is in fact not necessary, for he can counter-attack by \
playing at 93(A), separating White’s groups instead.]
LB[fg:A]

;W[jl]
C[White 79: G: From here on M is a good move and Nagahara only \
stops me playing there when he is forced to by me!]
LB[hj:M]
;B[hh]
C[Black 80: Very curious.  -G: It does not do anything.]
;W[hf];B[ig]
C[Black 82: G: Stopping connection, but M is still very good.]
LB[hj:M]
;W[ie]
C[White 83: Making space for himself on the upper side.]
;B[je];W[fh];B[dh]
C[Black 86: G: Bad, purely territorial.  -: M should be played; \
tactical and therefore urgent moves have priority over big territorial \
ones.  -G: If M and White 98(A) then what? : 95(B) resists the \
cuts with strength. Also N is quite good. If P, Q, 80, R, 97(C) \
leaves Black with a cut at S for safety.]
LB[gi:C][kk:S][kh:R][ji:Q][hh:80][hi:P][ij:N][gj:B][ii:A][hj:M]
;W[ef];B[eg]
C[Black 88: G: Idiotic. I cannot follow up at 91(B) after the next \
move at 89(A). A better move would have been 89.]
LB[ee:B][de:A]

;W[de];B[ce];W[ee];B[bd];W[fg];B[fj];W[gj];B[fk];W[gi]
C[White 97: After this M is no good any longer! The black group \
on the lower side is now in jeopardy.]
LB[hj:M]
;B[ii]
;W[ik];B[jk];W[kk];B[hk];W[hj];B[ij]
C[Black 104: Black has now saved his one central stone in gote \
and should have counter-attacked using black 'triangle' to strengthen \
his group and weaken white’s stone at 'square'.]
;W[ih];B[hg];W[hi]
C[White 107: Black’s lower group is now finally cut off from the \
upper one and must find its own life.]
;B[if]
C[Black 108: A ghastly mistake - it should have been at T. White \
can cut Black’s upper group in half by U, 108, V but Black can \
gain an easy life by playing at W.]
LB[in:T]

;W[ji];B[ik]
C[Black 110: No! Black must give up these four stones which will \
connect all White’s central stones into a live group and play \
T. After this Black has no alternatives to losing eight stones, \
thereby connecting the lower left group to White’s triumphant \
central one and thus leaving white with no problem at all.]
LB[in:T]
;W[gm];B[hm];W[hn];B[fm];W[im];B[gm];W[ho];B[gp]
;W[hp];B[gq];W[gr];B[hq];W[iq];B[hr];W[ir];B[gs];W[fr];B[ip]
;W[em]
C[Black resigns after 129.]
)
