All conceptions in the game of chess have a geometrical basis.

Avoidance of mistakes is the beginning, as it is the end, of mastery in chess.

All conceptions in the game of chess have a geometrical basis.

A defeatist spirit must inevitably lead to disaster.

We should praise, rather, the courage of the player who, relying only on his intuition, plunges into a brilliant combination of which the issue does not appear to him too clear.

It is not a move, even the best move that you must seek, but a realizable plan

It has been stated that a characteristic mark of a combination is surprise; surprise for the defender, not for the assailant, since otherwise the combination will probably be unsound.