private void restart_for_new_game()
{
game = new Game();
forbidden = new Forbidden();
global::Gomoku.ChessBoard.DrawCB(this, graphic, ChessBoard);
timer1.Enabled = false;
black_time_all.Text = "局时: 0秒";
black_time_this.Text = "步时: 0秒";
white_time_all.Text = "局时: 0秒";
white_time_this.Text = "步时: 0秒";
Connect.new_game();
}