[gnugo-devel] Gnu Go 3.6: invalid move sent

[Salival Evil]

I was playing gnuGo set at level 1 trying to find a way to make my
center group live, because I would have lost horribly otherwise.  I was
using the undo command a lot, not sure if that had anything to do with
it.  Anyway that was my last move before it barfed. Hope you can
reproduce and fix it.

(;GM[1]FF[4]AP[glGo:1.3.1]ST[1]

SZ[19]HA[5]KM[0.5]
PW[GNU Go]PB[Black]DT[2005-12-25]
AB[jj][pp][dd][pd][dp]
;W[cn]
;B[co]
;W[dn]
;B[ep]
;W[nc]
;B[oc]
;W[nq]
;B[mq]
;W[np]
;B[qo]
;W[mr]
;B[lq]
;W[fd]
;B[ec]
;W[fc]
;B[cc]
;W[jd]
;B[lb]
;W[dj]
;B[dh]
;W[fn]
;B[eo]
;W[ho]
;B[oj]
;W[qf]
;B[qg]
;W[rg]
;B[qh]
;W[pf]
;B[rh]
;W[nn]
;B[rf]
;W[re]
;B[sg]
;W[qc]
;B[qd]
;W[rc]
;B[rd]
;W[qb]
;B[qe]
;W[ra]
;B[nd]
;W[on]
;B[pm]
;W[jq]
;B[gq]
;W[lo]
;B[oo]
;W[no]
;B[op]
;W[ci]
;B[or]
;W[kr]
;B[ml]
;W[jf]
;B[ff]
;W[me]
;B[mc]
;W[bg]
;B[bf]
;W[cf]
;B[be]
;W[dg]
;B[eg]
;W[ch]
;B[df]
;W[cg]
;B[ei]
;W[fl]
;B[fk]
;W[og]
;B[nf]
;W[lf]
;B[md]
;W[ki]
;B[ji]
;W[kh]
;B[kj]
;W[jh]
;B[ih]
;W[ig]
;B[ii]
;W[nh]
;B[mh]
;W[li]
;B[mi]
;W[hr]
;B[gr]
;W[ce]
;B[bd]
;W[hq]
;B[fp]
;W[in]
;B[im]
;W[nl]
;B[nk]
;W[kq]
;B[nr]
;W[lr]
;B[fb]
;W[gb]
;B[eb]
;W[ol]
;B[pl]
;W[ne]
;B[oe]
;W[mg]
;B[mf]
;W[lh]
;B[le]
;W[ng]
;B[ni]
;W[ke]
;B[ld]
;W[bn]
;B[bo]
;W[hc]
;B[ag]
;W[ah]
;B[af]
;W[hm]
;B[il]
;W[gk]
;B[fj]
;W[ok]
;B[om]
;W[el]
;B[ek]
;W[dk]
;B[ej]
;W[nm]
;B[pj]
;W[lj]
;B[lk]
;W[fh]
;B[eh]
;W[mj]
;B[nj]
;W[gs]
;B[fs]
;W[hs]
;B[fr]
;W[ao]
;B[ap]
;W[an]
;B[bp]
;W[pn]
;B[qn]
;W[de]
;B[ee]
;W[ed]
;B[cd]
;W[gg]
;B[gj]
;W[hk]
;B[hj]
;W[kl]
;B[km]
;W[lm]
;B[jm]
;W[mk]
;B[kk]
;W[ll]
;B[gf]
;W[hh]
;B[gi]
;W[kn]
;B[ik]
;W[hi]
;B[gh]
;W[hg]
;B[fg]
;W[jl]
;B[jk]
;W[pk]
;B[qk]
;W[ph]
;B[qi]
;W[jb]
;B[ie]
;W[id]
;B[hf]
;W[if]
;B[he]
;W[ob]
;B[nb]
;W[oa]
;B[na]
;W[kb]
;B[ka]
;W[ja]
;B[la]
;W[kc]
;B[kd]
;W[je]
;B[ga]
;W[ha]
;B[pb]
;W[sb]
;B[qa]
;W[oq]
;B[pq]
;W[ns]
;B[pr]
;W[fa]
;B[ea]
;W[os]
;B[ps]
;W[ms]
;B[hp]
;W[ip]
;B[gp]
;W[en]
;B[gn]
;W[gm]
;B[go]
;W[hn]
;B[bj]
;W[bk]
;B[cl]
;W[bl]
;B[dl]
;W[pi]
;B[qj]
;W[of]
;B[me]
;W[sd]
;B[se]
;W[pa]
;B[qa]
;W[pa]
;B[oa]
;W[pc]
;B[qa]
;W[sc]
;B[pa]
;W[ga]
;B[bi]
;W[cj]
;B[ck]
;W[ef]
;B[ai]
;W[ak]
;B[bh])