[Retros] Let us double the stakes?

[Thomas Brand]

Thats correct, it's a very famous proof game, but I think you should regard: 
it's not a DUAL FREE one... That, of course, makes it much easier (I don't 
say easy...) to achieve this theme!

Redards, Thomas


> Well, my friends Joost and Dupont (....or was it Dupond? Hard to tell

> without seeing the moustache). Why not an SPG with both White and Black

> having a 6-pawn column side by side?

> 

> Here is rather famous one:

> 

> Lauinger,Frangen,Kisljak :

> Feenschach, No. 2201, 07-10/1977

> 

> wKd1,Pe2,e3,e4,e5,e6,e7/bKe8,Pd2,d3,d4,d5,d6,d7

> 4k3/3pP3/3pP3/3pP3/3pP3/3pP3/3pP3/3K4

> 

> Stipulation: Provide the shortest proof game to above.

> 

> The famous 'Trojka' L-F-K gave the solution with SPG 32.0, but the

> eagle-eyed readers of the magazine '64' were able five years later to point

> out another SPG 31.5. Is there still slack somewhere?

> 

> mr.mip

> 

> Spoiler(s) below

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> Composers' SPG:

> 1.h4 g5 2.hxg5 a5 3.b4 axb4 4.Nf3 Ra3 5.Rh4 Re3 6.dxe3 h5 7.Qd6 exd6 8.Rd4

> h4 9.Ne5 h3 10.g4 h2 11.Bg2 h1B 12.Bc6 bxc6 13.a4 Ba6 14.a5 Bd3 15.cxd3 Be4

> 16.dxe4 f6 17.a6 fxe5 18.a7 exd4 19.a8Q Qe7 20.Qa5 Qe6 21.Qd5 cxd5 22.f4 Nf6

> 23.gxf6 Be7 24.fxe7 Rh5 25.Ra3 Rf5 26.gxf5 Nc6 27.fxe6 Ne5 28.fxe5 c5 29.Kd1

> c4 30.Rd3 cxd3 31.Nc3 bxc3 32.Bd2 cxd2

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> And Readers response:

> 1.h4 a5 2.b4 g5 3.hxg5 axb4 4.Rh6 Ra3 5.Rd6 Rd3 6.cxd3 exd6 7.f4 b5 8.Nc3

> Nf6 9.gxf6 bxc3 10.a4 h5 11.a5 h4 12.a6 h3 13.a7 h2 14.a8Q h1Q 15.Ra4 Bb7

> 16.Rc4 Bf3 17.gxf3 Nc6 18.Bh3 Ne5 19.fxe5 bxc4 20.Be6 fxe6 21.Qd5 exd5 22.f4

> Qe4 23.dxe4 c5 24.Nf3 Rh3 25.Nd4 Re3 26.dxe3 cxd4 27.f5 Qe7 28.Qd3 Qe6

> 29.fxe6 cxd3 30.Bd2 Be7 31.fxe7 cxd2+ 32.Kd1

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> 

> 

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