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
With the modern computer age, there are some new ideas, but the principles are basically the same… I try not to over-focus on preparation.
Magnus Carlsen 2012
I am the best player in the world, and I am here to prove it.
Robert Fischer 1971
Carlsen simply plays chess well. It seems to me that in such cases people are inclined to look for some supernatural explanation, although the simplest explanation is also the most appropriate: the guy simply plays chess well.
Alexander Grischuk 2014
Chess can be described as the movement of pieces eating one another.
Marcel Duchamp
Not this time, Mr. Carlsen! (after winning the World Blitz Championship 2016)
Sergey Karjakin 2016