[Retros] HAP first moves...

Bernd Gräfrath retromode at web.de
Fri Nov 30 13:39:49 EST 2007

Dear Francois,

I'd say: Go ahead! But you could send the solutions in a separate e-mail, so that we still have the pleasure of solving...

Best wishes


*Von:* The Retrograde Analysis Mailing List <RETROS at JANKO.AT>
*Gesendet:* 30.11.07 18:11:12
*An:* The Retrograde Analysis Mailing List <RETROS at JANKO.AT>
*Betreff:* Re: [Retros] HAP first moves...

On Fri, 30 Nov 2007, Bernd Gräfrath wrote:

> By the way: The b3-problem which I posted this morning can also be

> shortened (C+ by Mario Richter):


> 1. P P 2. H P 3. HxH P 4. HxP PxP+ 5. AxP.


> Solution: 1. b3 e5 2. Ba3 e4 3. Bxf8 e3 4. Bxg7 exd2+ 5. Nxd2.


> This 9-ply-problem is the shortest b3-problem so far.

Let me enter the fray! If I programmed HAP chess right, For b3 my computer
found the amazing 6-ply-problem:

1.P P 2.H H 3.HxH HxA

Actually I can do 19 of the 20 opening moves in 7 plies or less. Will I
ruin the fun if I post them?


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