++i;
}
move_num += i / 2;
- } else if (toplay == 'B') {
+ } else if (toplay == 'B' && pretty_pv.length > 0) {
var move = "<a class=\"move\" id=\"automove" + line_num + "-0\" href=\"javascript:show_line(" + line_num + ", " + 0 + ");\">" + pretty_pv[0] + "</a>";
pv = move_num + '. … ' + move;
toplay = 'W';