[Retros] shortest Madrasi PG stalemate ended - Solution

[andrew buchanan]

Nicolas,

Can your correct 12-ply version be shortened by 1 ply with
10... d6 11... dxe6?
I think it could still be sound.

Andrew

--- Nicolas.Dupont at math.univ-lille1.fr wrote:


> 

> > A shorter one :

> >

> > 1.a4 c5 2.a5 c4 3.Ra4 c3 4.Rc4 f5 5.Rxc8 Nc6 6.a6 Qa5 7.Na3 Qxa3

> > 8.Nf3 Qd6 9.Nd4 Qxh2 10.Rxh2 f4 11.Rxh7 f3 Madrasi =

> 

> Ouarff, it is not dual-free. But according to Popeye, the following

> 12-variation is correct :

> 

>  1.h2-h4 c7-c5   2.h4-h5 c5-c4   3.Rh1-h4 c4-c3   4.Rh4-c4 f7-f5

>  5.Rc4*c8 f5-f4   6.Rc8*b8 Qd8-a5   7.Sg1-f3 Qa5*a2   8.Sf3-e5 Qa2*b1

>   9.Ra1-a6 f4-f3  10.Ra6-h6 e7-e6  11.Rh6*h7 Sg8-e7  12.h5-h6 Se7-g6

> 

> The wrong 11-variation suggests, nevertheless, that  12 might not be

> the

> infimum.

> 

> Nicolas.

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