[gnugo-devel] Weird illegal move bug

[Evan Daniel]

The SGF below causes GNU Go to produce an illegal move (reg_genmove
white returns C3, which is occupied).

The bug is present in current CVS but not in 3.6.  I have not yet
investigated further.

Evan

(;GM[1]FF[4]
CA[UTF-8]
AP[Quarry:0.1.14]
SZ[9]
KM[0.0]
C[S:6, D:0];B[ee]C[S:9, D:1];W[eg];B[dg];W[cc];B[eh];W[fh]
;B[fg];W[gg];B[ff];W[ei];B[gh];W[dh];B[hh];W[df];B[cg];W[ch]
;B[bg];W[ef];B[fd];W[be];B[de];W[cf];B[ec];W[db];B[eb];W[ea]
;B[fa];W[da];B[gb];W[gi];B[gf];W[hi];B[ih];W[cd];B[ce];W[bd]
;B[dc];W[cb];B[dd]
)