function set_board_position(new_fen) {
board_is_animating = true;
let old_fen = board.fen();
- board.position(new_fen);
+ let animate = old_fen !== '8/8/8/8/8/8/8/';
+ board.position(new_fen, animate);
if (board.fen() === old_fen) {
board_is_animating = false;
}