[gnugo-devel] missed trivial move

[Yitzchak Gale]

Hi,

The attached game is gnugo 3.4 playing
against itself.

At move 168 black and white both pass,
and gnugo reports the result as B+4.5.
But white has the obvious move of r3
to win the game.

Regards,
Yitz

(;GM[1]FF[3]
RU[Japanese]SZ[19]HA[0]KM[5.5]
PW[White]
PB[Black]
GN[White (W) vs. Black (B)]
DT[2004-05-16]
SY[Cgoban 1.9.14]TM[30:00(5x1:00)];B[pd]BL[1800];W[dd]WL[1800];B[pq]
BL[1800];W[dp]WL[1800];B[fq]BL[1800];W[cn]WL[1799];B[ip]BL[1799];W[qo]
WL[1799];B[np]BL[1798];W[ql]WL[1798];B[dr]BL[1797];W[cq]WL[1797];B[qp]
BL[1795];W[po]WL[1795];B[fd]BL[1793];W[df]WL[1793];B[dc]BL[1791];W[cc]
WL[1791];B[ec]BL[1788];W[cb]WL[1789];B[jc]BL[1787];W[cj]WL[1788];B[mc]
BL[1785];W[qi]WL[1786];B[pf]BL[1783];W[ff]WL[1784];B[mn]BL[1781];W[rf]
WL[1782];B[rd]BL[1773];W[hf]WL[1780];B[gm]BL[1769];W[pp]WL[1777];B[oq]
BL[1761];W[ej]WL[1774];B[rp]BL[1757];W[cr]WL[1771];B[hd]BL[1753];W[fa]
WL[1767];B[gk]BL[1748];W[hh]WL[1762];B[sm]BL[1742];W[ol]WL[1755];B[ml]
BL[1733];W[oi]WL[1746];B[jk]BL[1725];W[er]WL[1739];B[fr]BL[1714];W[em]
WL[1734];B[fb]BL[1704];W[ea]WL[1727];B[eq]BL[1696];W[gb]WL[1722];B[gc]
BL[1688];W[hb]WL[1716];B[je]BL[1678];W[ka]WL[1711];B[lb]BL[1669];W[kg]
WL[1706];B[fn]BL[1662];W[rl]WL[1699];B[lf]BL[1643];W[rn]WL[1692];B[gi]
BL[1626];W[dh]WL[1684];B[qg]BL[1609];W[rg]WL[1676];B[kb]BL[1597];W[ro]
WL[1670];B[sp]BL[1573];W[ds]WL[1662];B[es]BL[1560];W[cs]WL[1657];B[ig]
BL[1548];W[hg]WL[1652];B[ih]BL[1534];W[lh]WL[1648];B[ja]BL[1512];W[mh]
WL[1643];B[og]BL[1501];W[mf]WL[1640];B[me]BL[1493];W[nf]WL[1637];B[ne]
BL[1484];W[hi]WL[1634];B[if]BL[1472];W[fj]WL[1628];B[on]BL[1463];W[gj]
WL[1622];B[lg]BL[1453];W[kf]WL[1613];B[le]BL[1446];W[ni]WL[1605];B[kh]
BL[1441];W[ki]WL[1601];B[jh]BL[1435];W[kk]WL[1597];B[kl]BL[1429];W[lk]
WL[1593];B[ll]BL[1423];W[mk]WL[1587];B[db]BL[1417];W[da]WL[1581];B[ee]
BL[1410];W[de]WL[1577];B[dq]BL[1404];W[re]WL[1572];B[qe]BL[1399];W[sd]
WL[1569];B[sc]BL[1395];W[se]WL[1566];B[rc]BL[1390];W[fl]WL[1563];B[gl]
BL[1382];W[hk]WL[1558];B[hl]BL[1376];W[ik]WL[1553];B[il]BL[1370];W[jj]
WL[1547];B[ep]BL[1364];W[do]WL[1544];B[jl]BL[1360];W[pn]WL[1541];B[of]
BL[1356];W[om]WL[1538];B[mg]BL[1351];W[oo]WL[1533];B[nn]BL[1347];W[ed]
WL[1530];B[fe]BL[1344];W[ge]WL[1527];B[fc]BL[1341];W[he]WL[1522];B[ie]
BL[1337];W[ef]WL[1517];B[hc]BL[1334];W[ib]WL[1512];B[ph]BL[1331];W[qh]
WL[1509];B[jb]BL[1327];W[ic]WL[1506];B[id]BL[1324];W[no]WL[1502];B[mo]
BL[1320];W[nh]WL[1500];B[ng]BL[1317];W[pi]WL[1498];B[en]BL[1314];W[dn]
WL[1495];B[fm]BL[1311];W[fk]WL[1493];B[so]BL[1309];W[sn]WL[1492];B[nl]
BL[1308];W[nk]WL[1491];B[eo]BL[1305];W[ii]WL[1490];B[nm]BL[1304];W[qf]
WL[1490];B[pg]BL[1303];W[ji]WL[1489];B[ia]BL[1302];W[ga]WL[1489];B[op]
BL[1301];W[ca]WL[1489];B[ha]BL[1300];W[eb]WL[1489];B[oh]BL[1299];W[gd]
WL[1489];B[tt]BL[1299];W[tt]WL[1489]
)