In chess, as a purely intellectual game, where randomness is excluded, - for someone to play against himself is absurd ...
It is as paradoxical, as attempting to jump over his own shadow.

But is it not already an insult to call chess anything so narrow as a game? Is it not also a science, an art, hovering between these categories like Muhammad's coffin between heaven and earth, a unique yoking of opposites, ancient and yet eternally new, mechanically constituted and yet an activity of the imagination alone, limited to a fixed geometric area but unlimited in its permutations, constantly evolving and yet sterile, a cogitation producing nothing, a mathematics calculating nothing, an art without an artwork, an architecture without substance and yet demonstrably more durable in its essence and actual form than all books and works, the only game that belongs to all peoples and all eras, while no one knows what god put it on earth to deaden boredom, sharpen the mind, and fortify the spirit?

and a most curious country it was. There were a number of tiny little brooks running straight across it from side to side, and the ground between was divided up into squares by a number of little green hedges, that reached from brook to brook.
I declare it's marked out just like a large chessboard!' Alice said at last. 'There ought to be some men moving about somewhere--and so there are!' she added in a tone of delight, and her heart began to beat quick with excitement as she went on. 'It's a great huge game of chess that's being played--all over the world--if this is the world at all, you know. Oh, what fun it is!

I feel that my chess strengths are still here, ... I believe I can still improve.

I am lucky, ... that the popular sport in the Soviet Union was chess and not baseball.

It was like when you make a move in chess and just as you take your finger off the piece, you see the mistake you've made, and there's this panic because you don't know yet the scale of disaster you've left yourself open to.