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
It’s always more difficult to hold the title than to get it.
Vladimir Akopian 2012
I have always a slight feeling of pity for the man who has no knowledge of Chess
Siegbert Tarrasch
Petrosian would never have beaten me if he had played like that in 1963.
Mikhail Botvinnik 1966
I give 98 percent of my mental energy to Chess. Others give only 2 percent!
Robert Fischer
Botvinnik, Korchnoi and Kasparov had to hate the opponent to play successfully. I belong to a different type of chess players. I’m like Keres, Spassky and Portisch. On the board we fight, but in life we get along great.
Anatoly Karpov 2015