[Retros] Last move economy record, coloring problems

[andrew buchanan]

Hi Alain,

OK thanks for the info. I've updated the website accordingly. I will leave
the name Type Z for now until you stabilize. I will change the type when you
decide the naming definitively.

If you are going to announce a whole bunch of problems then please consider
letting me know the problems 1 day ahead of time. Then I will put them in a
webpage ready for people to start browsing when you announce them to the
list.

Cheers,
Andrew.

-----Original Message-----
From: retros-bounces at janko.at [mailto:retros-bounces at janko.at] On Behalf Of
Alain BROBECKER
Sent: 19 March 2007 10:57
To: retros at janko.at
Subject: Re: [Retros] Last move economy record, coloring problems


> Date: Tue, 13 Mar 2007 10:41:09 -0000

> From: "andrew buchanan" <andrew at anselan.com>

> Subject: Re: [Retros] Last move economy record, coloring problems

> To: "'The Retrograde Analysis Mailing List'" <retros at janko.at>

> Message-ID: <000501c7655c$1e168f20$6800a8c0 at VAIO3>

> Content-Type: text/plain;	charset="us-ascii"

> 

> Hi Alain,

> 

> I have taken all the diagrams that you hovered up, and am about to load

them

> in my website at www.geocities.com/anselan/chess.html.


Thank you.


> A few questions:

> (1) Is Type Z the official name?


I don't know. I'm currently working with Thierry Le Gleuher on
another compilation of problems (soon to come) and i took the
following classification:
  Type A: It is not given who has the move
  Type B: The stipulation says who has the move
  Type C: One king is in check
  Type D: Duplex type B
  (Type DD: Duplex type B with same first move)
  Type E: Coloring problem
  Type F: Coloring problem with one piece or more attacking both kings
But nothing's official. And anyway some more may be lacking, such
as retro-rebuses, etc...



> (2) Who are the authors of all these?

Andrei Frolkine & Andrei Kornilow, without specification.



> (3) Why is No.4 Traits aux noirs?

I think it's an amelioration of 04a (C19 instead of C20),
but with an extra stipulation.

cu, Alain

Alain Brobecker (abrobecker at yahoo.com) |_  _  _ |_
http://abrobecker.free.fr/             |_)(_|(_|| ) of  Arm's Tech


 
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