[gnugo-devel] bobo-gnugo-3.3.9-200210100706.sgf

[bump]

Here is a commented version of a recent 9 stone game
against a strong player on NNGS. GNU Go squeeked out
a small win by killing a group at the top, but played
quite badly overall.

I'd say this is a game worth tuning.

Dan

(;GM[1]FF[3]
SZ[19]HA[9]KM[0.5]
PW[bobo]
WR[1k]
PB[GnuGo (GNU Go 3.3.9)]
BR[11k*]PC[NNGS]
DT[2002-10-10]
AP[gnugoclient:2.0]
RE[B+Resign]
AB[dd][jd][pd][dj][jj][pj][dp][jp][pp];W[nq];B[pn];W[fp];B[dn];W[qf];
B[pf];W[pg];B[of];W[qe];B[qd];W[fc];B[nd];W[df];B[ee];W[cc];B[dc];
W[db];B[eb]C[C16 is also possible and maybe better.
];W[cb];B[fb];
W[cd];B[or]
C[Locally P3 is orthodox and probably better. On the other hand G3 may be the 
best move.
]
;W[ef];B[fe];W[dl];B[mr]
C[Thin and not urgent. Locally P3 or even O2 is better but F6 is urgent now.
]
;W[fm];B[el];W[dm]
(;B[gc]C[Very non urgent. E7 is the only move!
];W[en];B[ff];W[eh];
B[jc]
C[Big but what about the left side? F10, E3 or C6 seem playable.
];
W[rd];B[rc];W[qh];B[ri];W[cq];B[rg]C[S12 is a better attack.
];W[rh];
B[nh];W[qi];B[jm]C[R10 is better
];W[pm];B[rj];W[qj];B[qk];W[rk];B[rl]
;W[pk];B[ql];W[pl];B[oj];W[sk];B[qm]C[R6 leaves less aji
];W[si];B[ch]
;W[on];B[qn];W[dh];B[nl];W[kp];B[no];W[jo];B[hq]
C[J4 (making L3 and J5 miai) or L3 or K3 surely better.
];W[ip];B[jq];
W[iq];B[ir];W[io];B[kq];W[gr];B[hr];W[fg];B[hg];W[ji];B[ii];W[ih];
B[hh];W[ij];B[hi];W[ni];B[kj];W[mh];B[oh];W[md];B[kh];W[nc];B[oc];
W[ne];B[od]C[L:9];W[og];B[mi];W[ng];B[lh]C[L:10];W[mg];B[me];W[le];
B[nj];W[mb];B[bf];W[cg];B[ko];W[kn];B[lo];W[jn];B[co];W[bm];B[bh]
C[Bad. How about F10?
];W[ci];B[bj]C[D11.
];W[bi];B[cj]C[D11
];W[bg];
B[ek];W[em];B[mf]C[G9, G10 or thereabouts is better.
];W[ob];B[nf];
W[lc];B[re];W[rf];B[sd];W[kb];B[jb];W[fj];B[hk]
C[J10 is not a cutting stone so this move is pointless. G8 is suji to escape.
]
;W[gk];B[ik];W[lm];B[nn];W[ml];B[mm];W[mn];B[nm];W[ln];B[ll]
C[N5 seems surely bigger
];W[mo];B[lp];W[kl];B[lk];W[mp];B[km]C[N3
];
W[lq];B[lr];W[jl];B[mq];W[np];B[hm];W[im];B[gl];W[fl];B[fk]
C[Doesn't work.
];W[gj];B[ej]C[Doesn't work.
];W[fi];B[gn];W[go];B[kf]
;W[pb];B[gm];W[fn];B[gq];W[fq];B[fr];W[er];B[gs];W[dq];B[sl];W[sj];
B[ka];W[la];B[ja];W[rb];B[lg];W[qg];B[qb];W[qa];B[qc];W[op];B[ke];
W[oo];B[om];W[pq];B[qp];W[pr];B[rr];W[nr];B[kc];W[lb];B[ld];W[po];
B[mc];W[qo];B[ro];W[md];B[na];W[rp];B[rn];W[qq];B[nb];W[hj];B[jk];
W[hn];B[hl];W[gg];B[gf];W[ms];B[ls];W[ph];B[oi];W[pe];B[ns];W[oe];
B[mc];W[ps];B[os];W[es];B[de];W[ce];B[fs];W[ea];B[fa];W[da];B[sf];
W[sg];B[se];W[hp];B[so];W[sm];B[sp];W[rq];B[sq];W[gh];B[qr];W[rs];
B[sr];W[qs];B[mk];W[ss];B[ok];W[gp];B[gi];W[il];B[kk];W[oq];B[ms];
W[pi];B[tt]
C[F17 removed
J12 removed
K11 removed
final_score: B+2.5
M19 removed
R19 removed
P18 removed
S18 removed
M15 removed
B14 removed
B12 removed
B10 removed
Q9 removed
T7 removed
D6 removed
C5 removed
D4 removed])

(;B[em];W[en];B[dk]C[Hard to see how W can get a good result.
])

)