diff -u -P -r gnugo/regression/blunder.tst gnugo-fwiffo/regression/blunder.tst
--- gnugo/regression/blunder.tst	2004-04-24 03:00:04.000000000 -0400
+++ gnugo-fwiffo/regression/blunder.tst	2004-04-28 01:30:13.000000000 -0400
@@ -155,3 +155,8 @@
 loadsgf games/nngs/gnugo-3.4-viking4-200308191053.sgf 283
 32 reg_genmove white
 #? [E3|H4]*
+
+# Fills a common liberty in a seki similar to above
+loadsgf games/kgs/2004-04-28-R-dokuganryu-GnuGoCVS.sgf 302
+33 gg_genmove black
+#? [!A19|!C19]*
diff -u -P -r gnugo/regression/kgs/2004-04-28-R-dokuganryu-GnuGoCVS.sgf gnugo-fwiffo/regression/kgs/2004-04-28-R-dokuganryu-GnuGoCVS.sgf
--- gnugo/regression/kgs/2004-04-28-R-dokuganryu-GnuGoCVS.sgf	1969-12-31 19:00:00.000000000 -0500
+++ gnugo-fwiffo/regression/kgs/2004-04-28-R-dokuganryu-GnuGoCVS.sgf	2004-04-28 01:29:24.000000000 -0400
@@ -0,0 +1,308 @@
+(;GM[1]FF[4]CA[UTF-8]
+HA[6]SZ[19]RU[AGA]KM[0.50]TM[600]OT[25/480 Canadian]
+PW[dokuganryu]PB[GnuGoCVS]WR[3k]BR[9k]DT[2004-04-28]PC[The Kiseido Go Server (KGS) at http://kgs.kiseido.com/]AB[dd][pd][dj][pj][dp][pp]C[GnuGoCVS [9k\]: GTP Engine for GnuGoCVS (black): GNU Go version 3.5.6 (compiled from CVS sources 2004-04-27 19:53 - please see my user info for details)
+]RE[W+28.50]
+;W[nq]WL[591.866]CR[nq]
+;B[pn]BL[599.011]CR[pn]
+;W[pl]WL[583.198]CR[pl]
+;B[pg]BL[598.041]CR[pg]
+;W[fq]WL[564.287]CR[fq]
+;B[hq]BL[596.061]CR[hq]
+;W[fo]WL[561.282]CR[fo]
+;B[dn]BL[593.506]CR[dn]
+;W[dr]WL[554.515]CR[dr]
+;B[cq]BL[589.262]CR[cq]
+;W[jq]WL[541.470]CR[jq]
+;B[ho]BL[585.016]CR[ho]
+;W[hr]WL[539.732]CR[hr]
+;B[cr]BL[580.314]CR[cr]
+;W[gq]WL[531.163]CR[gq]
+;B[fn]BL[571.977]CR[fn]
+;W[eo]WL[517.152]CR[eo]
+;B[dl]BL[555.935]CR[dl]
+;W[en]WL[501.672]CR[en]
+;B[do]BL[545.809]CR[do]
+;W[em]WL[499.895]CR[em]
+;B[dg]BL[537.368]CR[dg]
+;W[bj]WL[475.710]CR[bj]
+;B[dm]BL[526.213]CR[dm]
+;W[bl]WL[459.920]CR[bl]
+;B[bh]BL[514.477]CR[bh]
+;W[ci]WL[458.367]CR[ci]
+;B[ei]BL[507.134]CR[ei]
+;W[ch]WL[455.236]CR[ch]
+;B[cg]BL[483.064]CR[cg]
+;W[bi]WL[452.930]CR[bi]
+;B[bf]BL[466.509]CR[bf]
+;W[bn]WL[450.668]CR[bn]
+;B[ck]BL[458.670]CR[ck]
+;W[bk]WL[448.865]CR[bk]
+;B[bp]BL[451.636]CR[bp]
+;W[ah]WL[435.828]CR[ah]
+;B[bg]BL[447.230]CR[bg]
+;W[ai]WL[417.510]CR[ai]
+;B[cm]BL[444.351]CR[cm]
+;W[bm]WL[415.221]CR[bm]
+;B[an]BL[440.926]CR[an]
+;W[bo]WL[407.855]CR[bo]
+;B[ao]BL[437.128]CR[ao]
+;W[am]WL[398.533]CR[am]
+;B[ak]BL[433.097]CR[ak]
+;W[ap]WL[380.434]CR[ap]
+;B[ao]BL[429.602]CR[ao]
+;W[eh]WL[346.782]CR[eh]
+;B[fh]BL[419.871]CR[fh]
+;W[dh]WL[337.184]CR[dh]
+;B[gi]BL[412.799]CR[gi]
+;W[eg]WL[335.738]CR[eg]
+;B[fg]BL[403.104]CR[fg]
+;W[ef]WL[334.230]CR[ef]
+;B[ge]BL[393.226]CR[ge]
+;W[ce]WL[308.611]CR[ce]
+;B[cd]BL[354.755]CR[cd]
+;W[be]WL[272.438]CR[be]
+;B[ee]BL[349.232]CR[ee]
+;W[ff]WL[243.262]CR[ff]
+;B[fe]BL[340.165]CR[fe]
+;W[gf]WL[230.801]CR[gf]
+;B[bd]BL[333.156]CR[bd]
+;W[ae]WL[221.647]CR[ae]
+;B[ad]BL[327.020]CR[ad]
+;W[df]WL[220.178]CR[df]
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+;W[hc]WL[203.422]CR[hc]
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+;B[kb]BL[295.313]CR[kb]
+;W[ib]WL[185.841]CR[ib]
+;B[jd]BL[287.583]CR[jd]
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+;W[ng]WL[130.576]CR[ng]
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+;W[kc]WL[125.671]CR[kc]
+;B[lc]BL[266.799]CR[lc]
+;W[kd]WL[124.051]CR[kd]
+;B[lb]BL[258.741]CR[lb]
+;W[he]WL[115.038]CR[he]
+;B[hf]BL[253.342]CR[hf]
+;W[hd]WL[92.409]CR[hd]
+;B[ke]BL[249.649]CR[ke]
+;W[if]WL[79.976]CR[if]
+;B[hg]BL[245.270]CR[hg]
+;W[ld]WL[78.561]CR[ld]
+;B[ja]BL[240.680]CR[ja]
+;W[ka]WL[56.680]CR[ka]
+;B[md]BL[222.945]CR[md]
+;W[le]WL[54.606]CR[le]
+;B[kf]BL[213.325]CR[kf]
+;W[mc]WL[31.199]CR[mc]
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+;W[nc]WL[29.273]CR[nc]
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+;W[me]WL[10.775]CR[me]
+;B[mf]BL[147.094]CR[mf]
+;W[ne]WL[5.950]CR[ne]
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+;B[kj]BL[395.972]OB[20]CR[kj]
+;W[kh]WL[307.985]OW[8]CR[kh]
+;B[pk]BL[390.250]OB[19]CR[pk]
+;W[mh]WL[278.779]OW[7]CR[mh]
+;B[om]BL[376.322]OB[18]CR[om]
+;W[qh]WL[262.727]OW[6]CR[qh]
+;B[ph]BL[363.077]OB[17]CR[ph]
+;W[lj]WL[258.886]OW[5]CR[lj]
+;B[qg]BL[357.958]OB[16]CR[qg]
+;W[ec]WL[199.505]OW[4]CR[ec]
+;B[ml]BL[353.868]OB[15]CR[ml]
+;W[lk]WL[182.322]OW[3]CR[lk]
+;B[ol]BL[349.983]OB[14]CR[ol]
+;W[dc]WL[176.391]OW[2]CR[dc]
+;B[cb]BL[337.172]OB[13]CR[cb]
+;W[bb]WL[136.269]OW[1]CR[bb]
+;B[eb]BL[321.521]OB[12]CR[eb]
+;W[fc]WL[480.000]OW[25]CR[fc]
+;B[ab]BL[312.527]OB[11]CR[ab]
+;W[bc]WL[467.025]OW[24]CR[bc]
+;B[cc]BL[300.408]OB[10]CR[cc]
+;W[ba]WL[465.033]OW[23]CR[ba]
+;B[aq]BL[297.317]OB[9]CR[aq]
+;W[ii]WL[439.050]OW[22]CR[ii]
+;B[er]BL[293.012]OB[8]CR[er]
+;W[fj]WL[421.600]OW[21]CR[fj]
+;B[gj]BL[287.210]OB[7]CR[gj]
+;W[fk]WL[407.889]OW[20]CR[fk]
+;B[gn]BL[282.436]OB[6]CR[gn]
+;W[fi]WL[400.262]OW[19]CR[fi]
+;B[gg]BL[275.134]OB[5]CR[gg]
+;W[gk]WL[393.900]OW[18]CR[gk]
+;B[hj]BL[269.452]OB[4]CR[hj]
+;W[hk]WL[392.735]OW[17]CR[hk]
+;B[ij]BL[265.888]OB[3]CR[ij]
+;W[hh]WL[385.670]OW[16]CR[hh]
+;B[ik]BL[262.158]OB[2]CR[ik]
+;W[il]WL[381.410]OW[15]CR[il]
+;B[kk]BL[257.046]OB[1]CR[kk]
+;W[ig]WL[376.767]OW[14]CR[ig]
+;B[gh]BL[480.000]OB[25]CR[gh]
+;W[ll]WL[370.162]OW[13]CR[ll]
+;B[gd]BL[467.121]OB[24]CR[gd]
+;W[gc]WL[366.799]OW[12]CR[gc]
+;B[kl]BL[462.301]OB[23]CR[kl]
+;W[lm]WL[356.370]OW[11]CR[lm]
+;B[jm]BL[458.592]OB[22]CR[jm]
+;W[km]WL[349.214]OW[10]CR[km]
+;B[jl]BL[450.264]OB[21]CR[jl]
+;W[jn]WL[258.936]OW[9]CR[jn]
+;B[in]BL[423.735]OB[20]CR[in]
+;W[hm]WL[216.340]OW[8]CR[hm]
+;B[im]BL[412.976]OB[19]CR[im]
+;W[hl]WL[208.444]OW[7]CR[hl]
+;B[kn]BL[405.500]OB[18]CR[kn]
+;W[jo]WL[203.190]OW[6]CR[jo]
+;B[ko]BL[394.663]OB[17]CR[ko]
+;W[jp]WL[198.235]OW[5]CR[jp]
+;B[fa]BL[381.232]OB[16]CR[fa]
+;W[ga]WL[163.294]OW[4]CR[ga]
+;B[mo]BL[373.380]OB[15]CR[mo]
+;W[hn]WL[132.582]OW[3]CR[hn]
+;B[lq]BL[369.571]OB[14]CR[lq]
+;W[io]WL[126.113]OW[2]CR[io]
+;B[rf]BL[367.743]OB[13]CR[rf]
+;W[re]WL[124.228]OW[1]CR[re]
+;B[sg]BL[363.860]OB[12]CR[sg]
+;W[qc]WL[480.000]OW[25]CR[qc]
+;B[rc]BL[360.545]OB[11]CR[rc]
+;W[ea]WL[470.844]OW[24]CR[ea]
+;B[de]BL[358.661]OB[10]CR[de]
+;W[cf]WL[469.174]OW[23]CR[cf]
+;B[da]BL[356.946]OB[9]CR[da]
+;W[fa]WL[463.665]OW[22]CR[fa]
+;B[ac]BL[355.385]OB[8]CR[ac]
+;W[ia]WL[426.312]OW[21]CR[ia]
+;B[mm]BL[353.386]OB[7]CR[mm]
+;W[hb]WL[421.624]OW[20]CR[hb]
+;B[ln]BL[351.774]OB[6]CR[ln]
+;W[li]WL[419.954]OW[19]CR[li]
+;B[kr]BL[350.637]OB[5]CR[kr]
+;W[jr]WL[418.370]OW[18]CR[jr]
+;B[co]BL[349.202]OB[4]CR[co]
+;W[ji]WL[412.398]OW[17]CR[ji]
+;B[ks]BL[348.053]OB[3]CR[ks]
+;W[rd]WL[365.398]OW[16]CR[rd]
+;B[rb]BL[346.758]OB[2]CR[rb]
+;W[ek]WL[338.324]OW[15]CR[ek]
+;B[dk]BL[346.042]OB[1]CR[dk]
+;W[eq]WL[331.184]OW[14]CR[eq]
+;B[dq]BL[480.000]OB[25]CR[dq]
+;W[fr]WL[329.941]OW[13]CR[fr]
+;B[ds]BL[479.417]OB[24]CR[ds]
+;W[fs]WL[319.867]OW[12]CR[fs]
+;B[la]BL[478.541]OB[23]CR[la]
+;W[ja]WL[317.615]OW[11]CR[ja]
+;B[pf]BL[477.698]OB[22]CR[pf]
+;W[qe]WL[312.643]OW[10]CR[qe]
+;B[es]BL[476.697]OB[21]CR[es]
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+;B[kp]BL[475.920]OB[20]CR[kp]
+;W[js]WL[307.210]OW[8]CR[js]
+;B[lr]BL[474.369]OB[19]CR[lr]
+;W[se]WL[300.328]OW[7]CR[se]
+;B[sf]BL[473.532]OB[18]CR[sf]
+;W[qo]WL[292.342]OW[6]CR[qo]
+;B[po]BL[467.065]OB[17]CR[po]
+;W[qp]WL[290.978]OW[5]CR[qp]
+;B[qq]BL[465.159]OB[16]CR[qq]
+;W[rq]WL[289.116]OW[4]CR[rq]
+;B[qr]BL[462.882]OB[15]CR[qr]
+;W[rm]WL[284.529]OW[3]CR[rm]
+;B[rn]BL[458.871]OB[14]CR[rn]
+;W[qn]WL[274.041]OW[2]CR[qn]
+;B[rp]BL[445.921]OB[13]CR[rp]
+;W[pm]WL[266.246]OW[1]CR[pm]
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+;W[qm]WL[480.000]OW[25]CR[qm]
+;B[rr]BL[437.907]OB[11]CR[rr]
+;W[hi]WL[424.527]OW[24]CR[hi]
+;B[el]BL[435.923]OB[10]CR[el]
+;W[fl]WL[413.752]OW[23]CR[fl]
+;B[ep]BL[434.720]OB[9]CR[ep]
+;W[fp]WL[412.293]OW[22]CR[fp]
+;B[sc]BL[431.972]OB[8]CR[sc]
+;W[go]WL[409.327]OW[21]CR[go]
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+;B[je]BL[429.663]OB[6]CR[je]
+;W[rj]WL[388.923]OW[19]CR[rj]
+;B[rh]BL[428.477]OB[5]CR[rh]
+;W[ri]WL[379.628]OW[18]CR[ri]
+;B[qi]BL[427.512]OB[4]CR[qi]
+;W[si]WL[378.112]OW[17]CR[si]
+;B[sm]BL[426.832]OB[3]CR[sm]
+;W[sl]WL[375.370]OW[16]CR[sl]
+;B[rk]BL[426.190]OB[2]CR[rk]
+;W[sn]WL[365.874]OW[15]CR[sn]
+;B[sh]BL[423.850]OB[1]CR[sh]
+;W[]WL[348.750]OW[14]
+;B[ej]BL[480.000]OB[25]CR[ej]
+;W[hp]WL[336.053]OW[13]CR[hp]
+;B[sd]BL[477.417]OB[24]CR[sd]
+;W[]WL[336.053]OW[12]
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+;W[]WL[336.053]OW[11]
+;B[ic]BL[472.031]OB[22]CR[ic]
+;W[]WL[336.053]OW[10]
+;B[di]BL[469.150]OB[21]CR[di]
+;W[]WL[336.053]OW[9]
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+;W[]WL[336.053]OW[8]
+;B[cj]BL[463.834]OB[19]CR[cj]
+;W[]WL[336.053]OW[7]
+;B[cl]BL[461.047]OB[18]CR[cl]
+;W[]WL[336.053]OW[6]
+;B[mg]BL[458.276]OB[17]CR[mg]
+;W[]WL[336.053]OW[5]
+;B[lg]BL[453.570]OB[16]CR[lg]
+;W[]WL[336.053]OW[4]
+;B[oi]BL[450.908]OB[15]CR[oi]
+;W[]WL[336.053]OW[3]
+;B[id]BL[448.278]OB[14]CR[id]
+;W[]WL[336.053]OW[2]
+;B[oh]BL[445.511]OB[13]CR[oh]
+;W[]WL[336.053]OW[1]
+;B[aa]BL[442.950]OB[12]CR[aa]
+;W[]WL[480.000]OW[25]
+;B[]BL[442.950]OB[11]TW[aa][ca][da][ha][ab][cb][db][eb][gb][ac][cc][ad][bd][cd][dd][ed][fd][gd][md][pd][de][ee][fe][ge][af][bf][hf][ag][bg][cg][dg][fg][gg][hg][bh][fh][gh][ih][gi][ki][mi][aj][gj][hj][ij][jj][kj][mj][ak][ik][jk][kk][al][gl][jl][kl][fm][gm][im][jm][fn][gn][in][ho][gp][ip][hq][iq][gr][gs][hs][is]TB[ma][na][oa][pa][qa][ra][sa][sb][rg][qh][ri][si][qj][rj][sj][qk][sk][nl][pl][ql][rl][sl][nm][pm][qm][rm][sm][mn][nn][on][qn][sn][lo][no][oo][qo][so][cp][lp][mp][np][op][qp][sp][bq][mq][nq][oq][pq][rq][sq][ar][br][dr][mr][nr][pr][sr][as][bs][cs][ls][ms][ns][os][ps][qs][rs][ss])