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It looks like they are playing on DGT boards, which have become pretty much standard for upper level tournaments. They can be plugged into a PC to automatically record moves and for playing online or against the PC.
They look like the walnut boards.http://digitalgametechnology.com/site/
They're not cheap.
At least in the US one can get the non-electronic version of the pieces, along with a decent board, for not much from House of Staunton.