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A kit for the arm is about US$300 in price. Material choices are white/black acrylic and laser-cut wood.
The arm can lift a 450 gram beverage can, so it should have no problem lifting a 50 gram chessman. It is not clear exactly how large of a chessboard can be used; decent sized perhaps, but maybe not one with 55 mm squares like the DGT board.
I would get two of these just to watch two different programs do battle.
The robot arm can use one of several different grippers. Those seen in the above photograph aren't suitable for moving a chessman, so a different and possibly custom gripper is needed.
The gripper in the furthest arm uses a suction cup instead of a pincer. It could work with a set of chessmen if each man had a flat, smooth top.
These arms are sold as kits and that's a good thing because if the owner is smart enough to perform the initial assembly, then they're probably smart enough to make repairs as needed.
