[Retros] Invisible castling SPG in 7.5

[Courtenay Footman]

On Fri, 11 Feb 2005, andrew buchanan wrote:


> Here is a C+ promotion-free invisible castling position in 7.5 moves:

>

> #############################################

> ## Euclide 0.92, ©2000-2002 Étienne Dupuis ##

> #############################################

>

> Problème analysé :

> 	rnb1kbnr/ppp1pppp/3p4/8/8/4PP2/PPPP2PP/RN2K2RwKQkq-

> 	15

rnb-kbnr
ppp-pppp
---p----
--------
--------
----PP--
PPPP--PP
RN--K--R

>

> Solution #1 :

> ---------------------------------------------------------------------

> Blah blah blah

> 4. 0-0

> Blah blah blah

>

> Verdict :

> 	Solution unique

> 	12.64 secondes

>

e3 Bb5 Nd2  O-O  f3    Kf2  Rh1  Kxe1
d6 qd7 qxb5 qxd2 qxd1  qxc1 qe1+

> Cheers,

> Andrew.

>

>

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