Chess as a sport requires a lot of mental stamina, and this is what that makes it different from a physical sport. Chess players have a unique ability of taking in a lot of information and remembering relevant bits. So, memory and mental stamina are the key attributes.
Viswanathan AnandWhen there's an important tournament going on, I try and stay in a bubble. It's easy that way because then you don't have to worry about anything else.
Viswanathan AnandIn any match, there are few critical moments where there's no second best decision. The rest of the moves are intuitive.
Viswanathan AnandIf revenge motivates you, go for it! But the main thing is to set your game in order.
Viswanathan AnandBefore a game, I avoid having a heavy meal so that I don't feel sleepy at the board. You eat to be healthy, and that generally takes care of everything. Also, you can't be too finicky, since at tournaments you tend to eat at restaurants here and there. But, as long as you're eating sensibly, it's all good.
Viswanathan Anand