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

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

I was unlucky, like my country.

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

Chess is a test of wills.

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.

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