[gnugo-devel] bug

[Dmitry Kamenetsky]

Dear GnuGo team,

I found this bug when playing against GNUGo 3.7.10 via twogtp. I am 
sending you the error output and the sgf file.

Cheers,
Dmitry Kamenetsky

***assertion failure:
board.c:2727 - ON_BOARD1(pos) near PASS***

B:C9
  A B C D E F G H J
9 . O X X . X . . . 9
8 X . O O X X X X X 8
7 X X X X O X + O X 7
6 X O O O O X O O X 6
5 X X O . O O X X X 5
4 X O O O . X O O O 4
3 X X X X O O O . . 3
2 X X O O O . . . . 2     WHITE (O) has captured 0 stones
1 . O . . . . . . . 1     BLACK (X) has captured 3 stones
  A B C D E F G H J
(;GM[1]FF[4]SZ[9]KM[6.5]HA[0]GN[GNU Go 3.7.10 stepped on a bug]
;B[fd];W[ec];B[fc];W[df];B[cc];W[dd];B[eb];W[gg];B[be];W[db];B[dc];W[ed]
;B[gb];W[ea];B[fb];W[cd];B[bc];W[bf];B[af];W[bd];B[bg];W[cf];B[ad];W[ce]
;B[ae];W[ag];B[ah];W[ac];B[ab];W[fe];B[ge];W[gf];B[he];W[hd];B[ff];W[ee]
;B[ie];W[gd];B[id];W[hf];B[ic];W[ch];B[bh];W[hc];B[hb];W[if];B[ib];W[bi]
;B[cg];W[dh];B[dg];W[eg];B[ac];W[eh];B[ag];W[cb];B[fa];W[ba];B[da];W[fg]
)
gnugo 3.7.10 (seed 1461709354): You stepped on a bug.
Please mail this message, including the debug output above, to address@hidden

B>> final_score
B<< = W+13.5
B<<
W>> final_score
W>> cputime
Saving defaultWithCorner0_9Side0_5-81.sgf
B>> quit
B<< =
B<<
W>> quit
White program died

defaultWithCorner0_9Side0_5-81.sgf
Description: application/go-sgf