The best thing to do this is play with the pieces that do not have animations (Change the piece set by pressing the tab button). This will save you some time.
Then just play speed chess against the computer with difficulty "0".
Just play as fast as you can. Alternately, use KChess and keep alt-tabbing from Battle Vs. Chess to KChess. When you Alt-Tab to KChess, the Battle Vs. Chess game completely freezes until you return to that window.