In complicated positions, Bobby Fischer hardly had to be afraid of anybody

I was unlucky, like my country.

Chess is a test of wills.

In the endgame, an error can be decisive, and we are rarely presented with a second chance.

Even the best grandmasters in the world have had to work hard to acquire the technique of rook endings.

A player can sometimes afford the luxury of an inaccurate move, or even a definite error, in the opening or middlegame without necessarily obtaining a lost position. In the endgame ... an error can be decisive, and we are rarely presented with a second chance.

An innovation need not be especially ingenious, but it must be well worked out.