Master Shogi (and by implication, chess) players use more of their brain

Reuters covers an article published in Science http://www.reuters.com/article/idUSTRE70J62T20110120 that says professionals use the caudate nucleus more than amateurs, who use the precuneus area of the parietal lobe. I wonder if the championship contenders in other games are using brain areas that the rest of us aren't.