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Subject: Re: counting positions, consider both legal and legal but impossible

Author: Jeremiah Penery

Date: 11:40:07 05/29/99

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On May 29, 1999 at 11:46:33, KarinsDad wrote:

>On May 28, 1999 at 16:24:26, Dann Corbit wrote:
>
>>Transparent pawns:
>>4k3/8/8/PPPPPPPP/pppppppp/8/8/4K3 w - -
>
>Well, the set of calculations that Uri used to illustrate more than 100 bits in
>the other thread would not see this position since the algorithm assumes all 32
>pieces on the board (and hence, all pawns go white/black). So, this position
>would not be considered legal (and it isn't).

I thought there might be a way to reach this position in a game, but the closest
I could get was 3k4/8/8/PPPPpPPP/pppPpppp/8/8/4K3 w - -
I guess with one more move, it would be:
4k3/8/8/PPPPPPPP/ppp1pppp/8/8/4K3 w - -
Only one pawn missing. :(  If you'd like the game, I can post it. (It's a very
stupid game.)

Jeremiah



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