How many total possible moves are there in chess?

But… amazingly, there are even more possible variations of chess games than there are atoms in the observable universe. This is the Shannon Number and represents all of the possible move variations in the game of chess. It is estimated there are between 10111 and 10123 positions (including illegal moves) in Chess.

Is it possible to know every move in chess?

The answer is definitely no! To play good chess, more information is needed than whether a move is winning, drawing or losing. Of course such a database would be unbeatable, but it would hardly beat anybody either. To play chess strongly it is not enough to chose a non-losing move at every turn.

How long would it take to play all possible chess games?

The average moves per game from the Chessgames database is 40.04, so 4.004 x 1041 moves. It then depends on speed of moves, since you’re just playing predetermined games, let’s use 1 move per second. Then we’re at 4.004 x 1041 seconds, or 1.269×1034 years, or ~ 9.2×1023 times the age of the universe.

How many positions are there after one move in chess?

Chess is infinite: There are 400 different positions after each player makes one move apiece. There are 72,084 positions after two moves apiece. There are 9+ million positions after three moves apiece.

How many chess positions have been solved by tablebase?

By 2005, all chess positions with up to six pieces (including the two kings) had been solved. By August 2012, tablebases had solved chess for every position with up to seven pieces (the positions with a lone king versus a king and five pieces were omitted because they were considered to be “rather obvious”).

How to study chess openings and book moves?

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