The game is drawn if the same position occurs three times with the same player to move, and with each player having the same set of legal moves each time.
ECHESSPEDIA
Quotes of the Day
Karpov is the official World Champion, but I’m not sure what that really means.
Jan Timman 1993
Chess needs Kasparov, he’s very important for chess, he’s a very important figure who can open a lot of doors for chess. And for Kirsan, of course, it was a joke.
Silvio Danailov 2013
Fischer’s strength, among other things, was his ability to evolve the most efficient plan for the middlegame right after the opening.
Boris Spassky
I never make mistakes in chess, I only have hallucinations!
Vlastimil Hort 1987
I’ve got no regrets about the games themselves, as frankly I’ve never been narcissistic about my play.
Alexander Grischuk 2014