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mate in infinity[Subject Thread] [Add Response]
Ben Reiniger wrote on Wed, Nov 27, 2013 04:26 AM UTC:
I recently stumbled back across a question from a few years ago:
http://mathoverflow.net/questions/63423/checkmate-in-omega-moves
It asks how complicated a forced mate position can be on an infinite board. Really interesting stuff IMO. (See the fourth-to-last paragraph of the question for an example on what the infinite-ordinal stuff means in this context.)

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