I can't find a video on it now but chess world champ Vishy Anand has a big computer analysis system (super computer?) and team that analyses opponent matches an

I can't find a video on it now but chess world champ Vishy Anand has a big computer analysis system (super computer?) and team that analyses opponent matches and then he does intense preparation with this data. The documentary Magnus has a great segment on Anand and his appeoach before he and Magnus Carlsen play in finals.