[Retros] Messigny-Retros: "Ready-Made"

Mark Thornton mark.thornton at papwortheverard.co.uk
Sat May 25 05:43:10 EDT 2013

Dear Kevin,

This recent PG of mine is based on the Trompovsky:

PG 10.5, Problem Observer, July 2012.

However, I doubt that 5...h3 has ever been seen in a game between strong players.

Best wishes
Mark Thornton
Retros Editor, The Problemist
8 Wimbish Road, Papworth Everard, Cambridge CB23 3XJ, UK
e: Mark.Thornton at PapworthEverard.co.uk

----- Original Message -----
From: Kevin Begley
To: Mark.Thornton at papwortheverard.co.uk ; The Retrograde Analysis Mailing List
Sent: Friday, May 24, 2013 11:34 PM
Subject: Re: [Retros] Messigny-Retros: "Ready-Made"

It would be interesting if a program could sift through a large game database, and find the longest unique game.
I imagine the Trompowsky Attack might offer good prospects.

e.g., 1.d4 Nf6 2.Bg5 Ne4 3.Bh4 g5 4.f3 gxh4 5.fxe4

After that, the options, for continuing in unique fashion, rapidly narrow.
Has anybody played 5...h3 ?

On Fri, May 24, 2013 at 12:29 PM, Mark Thornton <Mark.Thornton at papwortheverard.co.uk> wrote:

I fear that it is too much to hope for, as it is very hard to see how the White moves 1.e4 2.Sf3 3.d4 could be made to have a unique move order.

Best wishes

----- Original Message ----- From: "Noam Elkies" <elkies at math.harvard.edu>
To: <retros at janko.at>
Sent: Friday, May 24, 2013 3:07 PM
Subject: Re: [Retros] Messigny-Retros: "Ready-Made"

Bernd Graefrath <retromode at web.de> writes:

in the comments to problem no. 5, it is explained that
Mark was looking for a master game with an opening which
would constitute a unique proof game. [...]
A related idea can be found on the same page: With the motto
"Accelerated Dragon", I presented a unique proof game which leads to
a standard opening position which, however, is reached in a different
way, under Koeko: [...]

Ah -- I was hoping that "accelerated" hinted that a position
(in the Dragon but possibly not the Accelerated Dragon) that is
usually reached in N moves has a proof game in fewer than N !
Is that too much to hope for?...


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