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Forum: Chess 2021-01-17, 14:14
Replies: 2
Views: 1,342
Posted By M344587487
Thank you, my searching skills failed and DDG...

Thank you, my searching skills failed and DDG didn't even suggest any stack exchange links. These both increase the lower bound to 218:
R6R/3Q4/1Q4Q1/4Q3/2Q4Q/Q4Q2/pp1Q4/kBNN1KB1 w - - 0 1

...
Forum: Chess 2021-01-17, 12:43
Replies: 2
Views: 1,342
Posted By M344587487
Max chess moves available in a single turn with standard rules?

There can be up to 9 queens if all pawns promote, both kings have to be present and the opponents king cannot be in check as it's the start of your turn.


Naively there's an upper bound of 321,...
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