Black Retro „Duals“ by Günther Weeth

Black Retro „Duals“
by Günther Weeth, Stuttgart

Even after more than a century of the composition of retro problems we are confronted with a certain problem, strange as it might appear to most of us. It shows off when it comes to the evaluation of defensive retractors.

Some retro experts strictly representing no other style than the classical orthodox one, thus being exclusively committed with the aesthetic demands of help retro play sometimes seem to be mistaken when it comes to evaluate defensive retractors. Every now and then you may come across their verdict on black retro moves obviously being ambiguous… → see the whole article


How to solve defensive retractors under the condition of AntiCirce – Günther Weeth

gw-JF885-retractor-articleHow to solve defensive retractors under the condition of AntiCirce

by Günther Weeth, Stuttgart

Shortly after the fabulous start of that successful story of the Proca retractor under the condition of AntiCirce Wolfgang Dittmann dealt with the question of how to approach that new type as a solver. He laid down a summary of methods that might pave the way to the solution of problems of that kind in two articles: Die Schwalbe, vol. 204, December 2003, “Lösungsstrategien im Verteidigungsrückzüger mit Anticirce-Bedingung”) and – as a supplement – in Die Schwalbe, vol. 207, June 2004 where he provides valuable information concerning the testing program “Pacemaker” established by Thomas Kolkmeyer. Since then the fairy condition of “AntiCirce” has not only stood its ground in the field of the Proca retractor but also in a wider range of retro problems. The new type has been welcomed by a small number of highly motivated solvers, even so by such solvers being somewhat reluctant to tackle it in the first two or three years of its existence. →The Article (PDF, 8 pages)


Proca-hoeg in one problem by Andreas Thoma

proca-articla-thoma-exProca und Høeg-Forderung in einem Problem mit der Bedingung Anticirce
von Andreas Thoma (Groß Rönnau)

Angeregt durch das Erstlingsproblem von Günther Weeth (Schwalbe 274 August 2015 Nr. 16427), das leider nebenlösig ist, entstanden die folgenden Probleme.

Fur Unterstützung bedanke ich mich bei Klaus Wenda und Olaf Jenkner herzlich.

Zunächst aber zur Erinnerung die Proca-und Høeg Definitionen im Verteidigungsruckzüger:
→ see the whole article (in German)


KLAN-Defensive Retractor – Klaus Wenda and Andreas Thoma

at-kw-KLAN-article-ann

KLAN-Defensive Retractor, K.Wenda & A.Thoma

An article dealing with “Klan defensive retractors”, a new retro-kind (= a mixture of type Proca & Hoeg) invented by Klaus Wenda and Andreas Thoma is available for download! (PDF, 347K):

KLAN-Defensive Retractor
with special reference to the AntiCirce condition
by Klaus Wenda (Vienna) and Andreas Thoma (Groß Rönnau)
in memoriam Wolfgang Dittmann (+ 5th February 2014)

 

The article in German is available on Tomas Brand‘s retro-blog – http://www.thbrand.de/2015/03/26/vrz-klan/


Imitator – exploring the features…

jv-scrIt is happened that after publishing No.638 I’ve started to discover IMITATOR for myself. I haven’t used it before, and to my surprise I’ve found it very interesting and really enjoy learning about it – from the definitions and inventor till the features and implementations. 

I’ve decided to write about it in the Forum as it is a separated theme, related mostly to the Imitator in general, but not to the published original. Also, what I’ve discovered is not an article yet, but just some thoughts and ideas. I’d like to find even more with your help! 

Today I’ve made an accent to the Сastling and en passant with Imitator in my post. But I have some other topics I’d like to show where I need some more help from you.

As I said, I think it’s good to use Forum for such thematic postings, but if anybody feels uncomfortable about registration for using Forum, you are welcome to leave your comments here, to this posting! Thank you! – Julia.


Disparate – a unique fairy condition! (IGM Petko A. Petkov)

Dear Friends, I’m happy to present you the first part of the article “Disparate – a unique fairy condition!” by IGM Petko A. Petkov, which is a renewed version of Petko’s article “Les Echecs Disparates: une condition feerique globale!”, published in “Phenix” (No. 191-192, January-February 2010, pages 8086 – 8116), and is dedicated to Romeo Bedoni! Two more parts of the article will be published this year as well. My gratitude to Petko Petkov for his tremendous work and to Geoff Foster for language correction!

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Originals 03-100614

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3rd; 7-10th of June, 2014:

  • (10.06) No.555 – Gani Ganapathi – A nice Berolina-Excelsiors!
  • (08.06) No.554 – Petko A. Petkov – With this problem author proposes a new theme – Chameleon Trio (shown for the first time?) – where three different Chameleons in a different phases step on the same square!
  • (08.06) Fairings No.38 by Chris Feather is added to the Articles section. As always, thanks to Stephen Emmerson for the distribution!
  • (07.06) No.553 – Vito Rallo – A nice masked white Excelsior in HS#!
  • (03.06) No.552 – Peter Harris – A very dynamic and complicated solutions with three fairy conditions!
  • (03.06) No.551 – Igor Kochulov – A nice Duplex play in Meredith form! Circe and neutral pieces in HS#.

All previously published problems you can find in the subsections of  Original Problems menu on the top. The judge for informal fairy tourney 2014(II)Dmitri Turevski. The judge for Retro and PG problems 2013 – 2014Hans Gruber. 


Originals 15-210414

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15-21th of April, 2014:

  • (21.04) No.530 – Karol Mlynka  – Non-standard AUW with a use of royal neutral Pawn!
  • (18.04) No.529 – Rainer Kuhn  – Welcome to a new author with a nice Tanagra problem with two fairy conditions!
  • (16.04) No.528 – Nicolas Dupont  – A big surprise! The first PG problem with Disparate condition!
  • (15.04) No.527 – Daniel Novomesky – An elegant Tanagra-Aristocrat with excellent Isardam effects!
  • (15.04) Fairings No.37 by Chris Feather is added to the Articles section. The guests of this issue are: Geoff Foster and Klaus Wenda

All previously published problems you can find in the subsections of  Original Problems menu on the top. The judge for informal fairy tourney 2014(I)Vlaicu Crișan. The judge for Retro and PG problems 2013 – 2014Hans Gruber. 


Originals 14-280214

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14th-28th of February, 2014:

  • (28.02) No.506 – Gani Ganapathi & K.Seetharaman – A nice problem with model mates and neutral Locust congratulates Petko Petkov with his birthday on the 27th of February! But I use one more chance to wish everything the very best to Petko from myself and JF website!

(24.02) – Three originals and two new authors to welcome!

  • No.505 – Janne Syväniemi – A nice co-play between the black King and Grasshoppers! Warm welcome to Finnish composer!
  • No.504 – Norbert Geissler – A four-men with excellent neutral AUW! Warm welcome to Norbert – master of miniature genre with a tens of beautiful problems created, and also one of the brightest developers in Popeye-team!
  • No.503 – Pierre Tritten – Very interesting interchange of functions shown by the both sides inTake&Make problem!
  • (23.02) Fairings No.36 by Chris Feather You will have noticed a large amount of text this time; most of the diagrams appear on the second page. That is because, as an experiment, I am taking up suggestions to give introductions to the problems.” Thanks to Stephen Emmerson for the distribution!
  • (21.02) No.502 – Neal Turner – This is the 2nd author’s problem with unusual combination of SAT and Royal Grasshoppers in s#2 published on JF. Enjoy a detailed comment by Neal !
  • (18.02) No.501 – Stephen Emmerson – A very nice miniature with Princess and also a direct mate awaited by many of our commentators! I’m very happy to welcome Stephen, who is for many years an editor of Fairy section of the most prominent magazine in the world, “The Problemist”; one of the brightest and productive programmers of our great Popeye; interesting and non-standard composer!
  • (17.02) No.496.1 – Abdelaziz Onkoud & Nikola Predrag – This joint problem is a nice improvement to No.496
  • (14.02) No.500 – Julia Vysotska – A miniature with three dynamic fairy conditions! For now, technically it is the most complicated problem I have. And this is the 500th original publication I do!
  • (14.02) No.499 – Abdelaziz Onkoud – A three-mover of logical style with exotic pieces. Such kind of problems is quite rare on JF!

All previously published problems you can find in the subsections of  Original Problems menu on the top. The judge for informal fairy tourney 2014(I)Vlaicu Crișan. The judge for Retro and PG problems 2013 – 2014Hans Gruber. 


Creation of hs#s for WCCT in cooperation – Juraj Lörinc

JL-HS-for-WCCT-intro13th of February, 2014

I’ve a pleasure to publish an article by Juraj LörincCreation of hs#s for WCCT in cooperation“. Author shows two steps of creative work for thematic tournaments and also a series of interesting originals.

My gratitude to Juraj and his co-author in the problems, Ľudovít Lehen, for sharing with us their creative process!