From: jzy@casbah.acns.nwu.edu (Jim Yu)
Subject: Dang Hu Games: Game 1
Organization: Northwestern University, Evanston Illinois.
Date: Fri, 24 Jul 1992 14:59:14 GMT

Here is the first of 10 commented Dang Hu Games I am going to post.  As I
mentioned, each game will be dedicated to a person that has helped me to
improve my Go and that has inspired me to do this work.  I wish I can do
more than 10 games since people I want to thank are definitely more than
10. (BTW, I might not reveal this person's real name, since I might have
never seen him before, but only get to know each other through IGS -- so, I
will use his name on IGS if possible.)

This first game is dedicated to *jansteen 3d*, who has posted quite a few
games here (Honinbo, Tengen, etc.).  What I am doing is nothing but to
follow his footstep.

-jzy NR ^_^


(
;
GaMe[1]
VieW[]
SiZe[19]
AddWhite[dd][pp]
AddBlack[dp][pd]
Comment[Game 1

White: Shi Xiang-Xia

Black: Fan Xi-Ping

Date: 1739   Place: Dang Hu


Four stones are placed on the board \(as shown\) before the first move \(white\).  They are called "seated stones."  Because of these "seated stones," the opening of ancient Chinese games were rather simple and dull.  However, the midgame fights became extremely violent, and ancient Chinese players were good at fighting.]
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White[qf]
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Black[qk]
Comment[A move hardly seen in modern games.  It's hard to understand why B would allow enough space for W to play R11.  Apparently, ancient Chinese players were confident of their fighting strength.]
;
White[qm]
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Black[fc]
;
White[cn]
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Black[kq]
;
Comment[Ancient style.]
White[en]
;
Black[fo]
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White[fn]
;
Comment[F5 and G6 is a common joseki.]
Black[gn]
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White[go]
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Black[fp]
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White[ho]
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Black[gm]
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White[hq]
;
Black[gq]
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White[hr]
;
Comment[Attacking W while B's corner is not yet settled.  Fan \(playing B\), however, abandoned such a fierce move later in his career; he chose \(B first\) C5, B5, B4, B6, F2, and J6 instead.  The latter choice would be more acceptable by modern players.]
Black[jn]
;
White[in]
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Black[im]
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White[jo]
;
Black[ko]
;
Comment[If W atari at L6, B would gain outside potential.  Also, when W C3 invading the corner, B has \(B first\) C4, B3, and a good B move at B6.]
White[jm]
;
Black[kn]
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White[hm]
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Black[il]
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White[gl]
;
Black[fm]
;
White[hn]
;
Comment[This is a common technique under this situation.]
Black[dm]
;
White[em]
;
Black[fl]
;
White[el]
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Black[fk]
;
White[hl]
;
Black[ik]
;
White[gj]
;
Black[fj]
;
Comment[By far we've witnessed a wonderful fight starting with B #18 \(K6\). The moves are tight and strong.  Breathless.]
White[dj]
;
Black[gi]
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White[hj]
;
Black[di]
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Comment[E11 extremely strong!  And later moves will prove that this is the right move.  Looking back, B G11 should play at D11 directly. \(G11 was a "casual move."\)]
White[ei]
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Black[dk]
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White[dh]
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Black[ek]
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White[dn]
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Black[ck]
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White[cp]
;
Black[cq]
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Comment[C4 and D3 are good moves.  And at the good time.]
White[dq]
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Black[eq]
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White[bq]
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Black[dr]
;
Comment[Up to here, W has on one hand strengthened his upper left part, on the other hand, he could kill B corner with F2.  Great success by W.]
White[br]
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Black[fi]
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White[ij]
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Comment[If B plays G2 now, W F16 and B is cut into two parts, which will do no good to B.  F15 on the other hand, strengthens F17 and aims at W corner.]
Black[fe]
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Comment[Strong move to defend.]
White[ef]
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Black[ci]
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White[ec]
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Black[eb]
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White[db]
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Black[fb]
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Comment[E17 was sente, then F2 to capture B team.  W is clearly leading.]
White[fr]
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Black[cc]
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White[cd]
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Black[dc]
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White[bc]
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Black[cb]
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White[ch]
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Black[bi]
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White[bb]
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Black[ed]
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Comment[W chooses a simple way to settle the corner.  Not a bad choice when he's leading. \(Actually, B18 could play directly at B12.\)]
White[bh]
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Black[gr]
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White[gs]
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Black[jj]
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White[ji]
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Black[kj]
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White[ki]
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Comment[Locally speaking, M11 is too strong.  But B is trailing, so to make the situation complicated might help him.]
Black[li]
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Comment[Hits at the right spot.  If M10, then B L8 and W has no good move to follow.]
White[kl]
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Comment[It's better to play at L9.  Then after W J12, B M12 would be strong.]
Black[km]
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White[lj]
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Black[jl]
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White[ih]
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Black[mi]
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Comment[To here, B's shape is not thick, thus the chance to effectively capture the 3 W stones doesn't stand good.]
White[ll]
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Comment[Attempting to surround W stones in a big way.]
Black[on]
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White[mn]
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Black[mo]
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Comment[Not too good.  M5 would be a strong move, and W is promised to have some profit.  Q6 is a safe move for the leading W.]
White[pn]
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Black[om]
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White[no]
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Comment[If N7 instead, then W simply N4 atari, and that would give W sente to play R11.]
Black[oo]
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White[lo]
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Black[op]
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Comment[Could also consider to play K9.]
White[mp]
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Comment[Tests W's reaction.  Great timing!  W probably overlooked this good move by B.]
Black[hp]
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Comment[Mediocre move.  But variations show that W can't have good result anyway, so even though he knows that K4 isn't a good move, he has not better choice.]
White[jp]
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Comment[Now B has N3 and B stones at lower left have a chance to live again!]
Black[kp]
;
White[jk]
;
Black[kk]
;
White[lk]
;
Black[jk]
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White[lm]
;
Black[mq]
;
White[nq]
;
Black[np]
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White[mr]
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Black[lq]
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White[oq]
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Black[pq]
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White[pr]
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Black[lp]
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White[qq]
;
Comment[M4 and N5 don't reduce W's liberties from outside, and that's against common sense.  Obviously, B is preparing for revival of the lower left corner.]
Black[mo]
;
Comment[Good.  Force B to protect at O9.]
White[pj]
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Black[nk]
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Comment[Capturing a B stone; gain big.]
White[pk]
;
Black[pi]
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White[oi]
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Black[ph]
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White[qj]
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Black[pf]
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White[nj]
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Black[mj]
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White[mk]
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Black[ok]
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White[og]
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Black[pg]
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White[lh]
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Black[mh]
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White[mg]
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Black[lg]
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White[kh]
;
Black[ng]
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Comment[W sacrifices the upper right stone, strengthening the middle and getting sente.  Now, if W can finish the lower left corner cleanly, it's still W's game.]
White[mf]
;
Black[nh]
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Comment[But at this very key moment, B8 is unexpected.  Should be B7.  Now the corner is not clean.]
White[bl]
;
Black[co]
;
White[bp]
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Comment[C5 and B5, good.]
Black[bo]
;
White[bn]
;
Black[do]
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White[ao]
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Black[cm]
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White[bm]
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Black[ap]
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White[an]
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Black[er]
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Comment[Mistake!  W apparently miscalculated here.  No matter it's about liberties, or territory, or preventing B from living, F3 should be the move.  W's miscalculation could have started with B8.  With the big mistake by W, the table is turned around.]
White[fs]
;
Black[cr]
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White[eo]
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Black[ep]
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White[cs]
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Black[bs]
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White[bk]
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Black[bj]
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White[as]
;
Black[gp]
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White[jq]
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Black[aq]
;
Comment[W better save this exchange with E1.]
White[ds]
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Comment[Up to this point, lower left B stones can live either by seki or ko, while W has lost every chance.]
Black[es]
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White[gg]
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Black[fg]
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Comment[If W plays E12 instead, B can escape with H13.]
White[ff]
;
Black[eh]
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White[eg]
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Black[fh]
;
White[ge]
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Black[bs]
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White[cs]
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Comment[Test W's reaction.  Good timing.]
Black[cf]
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White[be]
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Black[ah]
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White[ag]
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Black[aj]
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Comment[If plays at B13, B has \(B first\) J3 \(there's no W stone at J4 yet\), J2, H1, and F3 \(later K2\).]
White[ip]
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Black[bg]
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White[dg]
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Black[ee]
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White[de]
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Black[af]
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White[ba]
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Black[gd]
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White[hs]
;
Black[hg]
;
White[hh]
;
Comment[O14 solid.]
Black[nf]
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White[me]
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Black[pl]
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White[ql]
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Black[ri]
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White[rk]
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Black[po]
;
White[qo]
;
Comment[With a series of sente ending moves, up to this point, B can either take the corner or the side, and B's victory is insured.]
Black[md]
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White[qc]
;
Black[pc]
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White[ld]
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Black[mc]
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White[qd]
;
Black[rg]
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White[rf]
;
Black[qb]
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White[rb]
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Black[pb]
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White[ra]
;
Black[df]
;
White[gf]
;
Black[ae]
;
White[ad]
;
Black[cg]
;
White[bf]
;
Black[ag]
;
White[ab]
;
Black[jd]
;
White[mp]
;
Black[nn]
;
White[id]
;
Black[ie]
;
White[je]
;
Black[hd]
;
White[if]
;
Black[he]
;
White[hf]
;
Black[ak]
;
White[al]
;
Black[ej]
;
White[kd]
;
Black[jc]
;
White[kc]
;
Black[ke]
;
White[jf]
;
Black[kb]
;
White[le]
;
Black[lb]
;
White[kr]
;
Black[lr]
;
White[ls]
;
Black[mo]
;
White[jr]
;
Black[pm]
;
White[qn]
;
Black[oj]
;
White[ne]
;
Black[sd]
;
White[qg]
;
Black[rh]
;
White[re]
;
Black[oe]
;
White[rc]
;
Black[ca]
;
White[nd]
;
Black[nc]
;
White[od]
;
Black[pe]
Comment[Black wins by 7 zi. \(one 'zi' is about equivalent to 2 points of the normal count.\)]
)
Organization: School of Computer Science, Carnegie Mellon, Pittsburgh, PA