12134 Players currently online!
Man vs. Machine - good luck!
Turn-based games at any time!
Vote for the best move to win!
Do you have what it takes?
Sharpen your tactical vision!
Get advice and game insights!
Learn from top players & pros!
View millions of master games!
Your virtual chess coach!
Perfect your opening moves!
Test your skills vs. computer!
Find the right private coach!
Can you solve it each day?
Bring it all together!
Beginners, start here!
Make friends & play team games!
News from the world of chess!
Search all Chess.com members!
Find local clubs & events!
Who's the best of your friends?
Read what members are saying!
Mate in infinity:
there is a zillion legal positions.
(I don't want to do the math. it would take a billion years for me.)
Actually, I just realized that there is no mate in infinity due to draw by repetition.
I read that from a article
Still doesn't sound at all accurate. The biggest problem with this whole idea is that we really don't know how many atoms there are in the universe.
I read something about the possible chess positions, and some of them are illegal positions. Did anyone else ever see this?
Assuming current theories are well there are about 10^80, not that anybody can count them.
Well, that number is much larger than the number of possible chess positions. I already know that people have tried to calculate this before, but it all depends on our theories which rely on the observable universe as we know it now. The universe may be larger than what we can observe.
Yeah, because the ("famous") comparation is not between the number of possible positions and Eddintong number. It is the number of different games of chess that can be played or game tree complexity... wikipedia states it:
Allis also estimated the game-tree complexity to be at least 10^123, "based on an average branching factor of 35 and an average game length of 80". As a comparison, the number of atoms in the observable universe, to which it is often compared, is estimated to be between 4×10^79 and 10^81.
Create a user score (like on Ebay) based on feedback from others
by repka a few minutes ago
12/10/2013 - Easterwood-Williams 2004
by m_majid_khan a few minutes ago
Is there a chess opening that pisses you off?
by TheGreatOogieBoogie 2 minutes ago
very very strange
by Kansha 4 minutes ago
Borislav Ivanov v Daniel H Campora - Stockfish has a Look!
by TheARBChessSystem 5 minutes ago
What's the quickest way to get a title?
by Scottrf 5 minutes ago
Komodo 6 Released But? The A.R.B Chess System Still Crushes!! it! :)
by TheARBChessSystem 15 minutes ago
World Chess Champion Magnus Carlsen says I fear nobody....
by JohnnyKGB 18 minutes ago
no email confirmation sent
by cavity_explorer 43 minutes ago
Posted Latest Version of ChessX Database Program
by DaPie 52 minutes ago
Why Join | Chess Topics |
Help & Support |
© 2013 Chess.com
• Chess - English
We are working hard to make Chess.com available in over 70 languages. Check back over the year as we develop the technology to add more, and we will try our best to notify you when your language is ready for translating!