It might boil down to a battle between age. Everything else being equal, Carlsen will have the advantage of youth. Vishly will not be able to sustain a very high level of mental energy necessary to win against a youthful and formidable opponent. Carlsen is still climbing the mountain, so to speak, whereas Vishly is already preparing to go down.
Play time vs Prep time
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Just curious about this thinking about the WCC matches coming up.
How do good players split their time between playing and preparing (analyzing, reading, etc.)? The one pro chess champ I know personally only plays about 2 days a week, relaxing and prepping other times.
What does the mix look like for guys like Carlsen and Anand?