[Retros] Yefim's funny SPG problem 11/13/2004

[TregerYefim at aol.com]

       Hello from Yefim. 
Have in mind that for many positions a set of SPG is much more than 1. The 
following simple examples you may use for instructional purposes (and please 
check my solutions).
How many SPG exist for the following positions with my answers:
rnbqkbnr/pppp1ppp/8/4p3/4P3/8/PPPP1PPP/RNBQKBNR w KQkq
Answer is: 1!=1;
rnbqkbnr/ppp2ppp/8/3pp3/3PP3/8/PPP2PPP/RNBQKBNR w KQkq 
Answer is (2!)^2=4;
rnbqkbnr/ppp3pp/8/3ppp2/3PPP2/8/PPP3PP/RNBQKBNR w KQkq 
(3!)^2=81;
...
rnbqkbnr/8/8/pppppppp/PPPPPPPP/8/8/RNBQKBNR w KQkq
Answer is (8!)^2=1625702400;
I hope, you understood the idea and now a funny example for you to solve.
rnbqkbnr/ppp2ppp/4p3/4P3/3p4/3P4/PPP2PPP/RNBQKBNR w KQkq 
How many SPG for this?
Yefim T 11/13/2004 
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