[Retros] At-home initial array challenge

François Perruchaud francois.perruchaud at wanadoo.fr
Fri Mar 25 01:12:23 EST 2005

François Labelle wrote

> > rnbqkbnr/pppppppp/8/8/8/8/PPPPP3/RN2KBN1 in 10.5

> > I don't know if it is the greatest number of moves by king in an At Home

> PG.


> Your PG has 4. Here's an example where a king makes 5 moves:


> rn1qk1nr/ppp1pppp/8/8/8/8/PP1PPPPP/RNB1KBNR in 7.0


> Francois

Yes, I was stupid. 4 is not so big.

François Labelle wrote

> However I note that in the known examples,

> the pristine camp makes a massacre, with 2 or 3 non-captures.

Note that I later gave two PGs with 4 non-captures. 4 is really BIG ;-)

Here are all the PGs mentioned in previous messages up to 8.5 moves. Is the
list complete ?

16+x :

rnbqkb1r/pppp2pp/8/8/8/8/PPPPPPPP/RNBQKBNR (François Labelle)

1nb1kb1r/1ppp1ppp/8/8/8/8/PPPPPPPP/RNBQKBNR (Henrik Juel)
1n2kb1r/1ppp1ppp/8/8/8/8/PPPPPPPP/RNBQKBNR (Similar to previous)
rnb1k2r/1ppp1ppp/8/8/8/8/PPPPPPPP/RNBQKBNR (Andrew Buchanan - similar to
rn2k2r/1ppp1ppp/8/8/8/8/PPPPPPPP/RNBQKBNR (Similar to previous)
rn2k2r/pppp1ppp/8/8/8/8/PPPPPPPP/RNBQKBNR (François Perruchaud - Similar to
rn2kb1r/ppp1p1pp/8/8/8/8/PPPPPPPP/RNBQKBNR (François Perruchaud)

No PG in 8.0 ?

x+16 :

rnbqkbnr/pppppppp/8/8/8/8/1PPP1PPP/1N2K1NR (Andrew Buchanan)
rnbqkbnr/pppppppp/8/8/8/8/P4P1P/RN1QKBNR (François Labelle)

The two previous PG are correct in 8.5

François P.

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