A type of chess problem (mating or winning) where two or more defenses illustrate the same theme.
ECHESSPEDIA
Quotes of the Day
Chess is a game by its form, an art by its content and a science by the difficulty of gaining mastery in it. Chess can convey as much happiness as a good book or work of music can. However, it is necessary to learn to play well and only afterwards will one experience real delight.
Tigran Petrosian
In one game it is too difficult to play both for win and draw simultaneously.
Mihail Tal 1969
In the past twenty years Kramnik has played a few thousand games, and if you show me a position from one of them, in 90 percent of the time I will be able to tell you which game it is from.
Vishy Anand 2008
I never make mistakes in chess, I only have hallucinations!
Vlastimil Hort 1987
Thank the stars that I have been banned by FIDE so it is very clear I have nothing to do with this mess…
Garry Kasparov 2015
