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3 votes
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More accurate estimate of chess games possible

Peruse this link. Also see link for possible duplicate. Sum-up of first link: Longest game under FIDE rules: 8848.5 (Fabel) Maximum mobility number: 218 moves Shannon's number, assuming 40 (full) ...
Hauke Reddmann's user avatar
2 votes

"Every" move in long notation

OK, let's break it down piece by piece, first calculating without check/checkmate and then with. Pawns Each pawn has 6 non-capturing non-promoting moves, and can promote to 4 different pieces. The ...
D M's user avatar
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2 votes
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How often can the initial position be repeated under FIDE tournament rules?

You appear to ask several different questions, so I will answer your headline question: How often can the initial position be repeated under FIDE tournament rules? You give a very big clue to the ...
Brian Towers's user avatar
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5 votes

Stalemate positions on Chess board

It's a finite number since it's a finite chessboard. But the number is very large. Consider the following stalemate position: [fen "8/8/8/8/8/7K/5Q2/7k w - - 0 1"] If you consider ...
D M's user avatar
  • 19k

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