Could be me, but I just type in Master name "Fischer" and Robert James and and/or Bobby doesn't seem to appear, and Aronian and Carlsen's games appear to be too old.
Granted I admit I could be the dumb one here and not be using it right.
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It's a great tool, I can look up untold amounts of games from players like Capablanca, Morphy, and Kasparov. I've been on that tool a lot, but I do recall going over Bobby Fischer's games on them before and I can't input his name in it now and get his games. Magnus's games appear to end around 2006. Same with Aronian.
Forgive me if this is something everybody knows and I in a silly manner do not know it; but why is this so? Is it supposed to stop after 2006 or 2007? Why isn't Fischer's games up there? If I recall correctly Tal's games I can't find either.