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MatPlus.Net Forum General Problemas, April 2017 - issue n.18
 
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(1) Posted by Joaquim Crusats [Saturday, Apr 1, 2017 17:59]

Problemas, April 2017 - issue n.18


You are welcome to download the new issue of Problemas, the bulletin of the Spanish Society of Chess Problemists (SEPA), at the Society’s web page: http://sepa64.blogspot.com.es/p/revista-problemas-nueva-epoca.html. The April 2017 issue (n.18) consists of 32 pages with a total of 128 diagrams (including 53 originals), with the following contents:

13ª edición del International Solving Contest (ISC), en Vitoria-Gasteiz (R.Romero
Introducción a las piezas de fantasía (P.Cañizares)
Temas de repertorio (I) (J.A.Coello)
Jubileo José Antonio Coello-75 (#2) y Jordi Breu-90 (h#2) (I.Zurutuza)
180 years since the foundations of the modern problem were laid down, or the story of how maestro Pierre Auguste d’Orville came ahead of his time (M. Cherniavskyi, A.Frolkin)
Galería de compositores españoles (XVIII) (I.Zurutuza)
Ejercicio de reconstrucción nº 18 (J.A.Coello)
Desempolvando la hemeroteca (1) (I.Zurutuza)
Ejercicio de restauración (16) (J.A.Coello)
April fool’s day: a case of ‘split identity’ (J.Crusats)
The parity effect outside of retros (V.Liskovets)
Recompensas (I.Zurutuza)
Seleccción de finales (P.Cañizares)
Borrones de escribano (5) (J.A.Coello)
Uno de mis problemas #2 favoritos (J.Crusats)
Dead certain (A.Buchanan)
Concursos ajenos (Redacción)

If you want to receive (stop receiving) each new issue of Problemas by email, free of charge, send an empty email message to “sepa.problemas@gmail.com” mentioning the word “subscription” ( “unsubscription”) in the subject and you will be included in (excluded from) the distribution list.
 
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(2) Posted by Rajendiran Raju [Saturday, Apr 1, 2017 18:48]

Produced timely , promptly with well oriented diagram designing..and given all this pdf problems in FEN also ....

Great effort by the team of Spanish Chess Problem Society members ...

Thanks and Congratulations Mr.Joaquim Crusats... !!
 
 
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(3) Posted by Siegfried Hornecker [Saturday, Apr 1, 2017 22:54]

SEPA Problemas is an excellent magazine for its price. :-)

Owing to the current threat of war in Europe, I would like to take this opportunity to quote from article in SEPA Problemas in October 2014, and I want to thank the editors once more for allowing me free hand with my article back then:
http://sepa64.blogspot.com.es/p/revista-problemas-nueva-epoca.html

Maybe our politicians should read through this!

 QUOTE 
Let us close this retrospective with the conclusion that 1914 was a troubled year that turned out to be possibly the most important turning point in the 20th century. If Europe had recovered from its inner conflicts instead of escalating into war, maybe history would have went in a completely different way. For chess it was an important year as well, but chess composition didn’t bring many new ideas, although the existing and upcoming masters showed marvelous pieces of which some still should be reprinted a century later.

What will a retrospective say about 2014? What will be in a hundred years? The past century held incredible achievements in technology, medicine, science and not least even chess composition. So much, in fact, that the future is impossible to predict. It can go either way, from excellent to horrible. A flourishing world is as imaginable as one hit hard by the climate change. But one thing increasingly becomes clear: If humanity is to survive, it must hold closer together than ever before.

Maybe as close as our little world of chess composition already does.


But to turn to the current issue, the article of Andrew Buchanan (who has moved to Hong Kong, apparently?) was very interesting and - no offense here - fitting for today's date, and it is great to see the analysis by Liskovets include a #27 by our friend Milan.

But the highlight might be the article from Kiev about our German pioneer, the cigarette manufacturer's son Peter August d'Orville.
 
   
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(4) Posted by Joost de Heer [Sunday, Apr 2, 2017 11:54]

The 1-april problems are both correct Augsburg chess problems.
 
 
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(5) Posted by Michael McDowell [Monday, Apr 3, 2017 21:09]

Anyone interested in d'Orville should have a look at John Beasley's site. The section under "Orthodox Chess" titled "Problems" contains the text of his book about d'Orville.

https://www.jsbeasley.co.uk/
 
 
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(6) Posted by Andrew Buchanan [Monday, Apr 3, 2017 23:45]; edited by Andrew Buchanan [17-04-04]

 QUOTE 
But to turn to the current issue, the article of Andrew Buchanan (who has moved to Hong Kong, apparently?) was very interesting and - no offense here - fitting for today's date, and it is great to see the analysis by Liskovets include a #27 by our friend Milan.

Thanks Siegfried. I am a nomadic people (sic) and have lived & worked in many countries. I am slowing down now, and have been in Hong Kong for six years; hoping to get permanent residency there in one year more. No point going back to Britain with the Brexit madness.

I too liked Valery's article. I haven't checked with Popeye, but I think there are some minor geometric duals in Milan's #27 following the white promotion (which might also be an under-promotion) in the road less traveled where Black chooses to keep bPe3, or play a double pawn move. Some geometric duals go away if one swaps the g & h files (so wPh5, bPg7), so that seems worth doing.

But it's Valery's own (4) which is the piece de resistance. Interesting that in both (2) & (4), black cannot defend by changing black parity with a double pawn move. Counting the solutions is challenging in (4). There seem to be two complications: (i) possible double move by bPc7 (ii) sometimes wQc1 blocks bPc2 from advancing to destination square.

Quickly about dead positions: I am very grateful to the endgame study community for pushing for the DP rule to be brought in from the cold in 2015. As you might have noticed, I find this cute but rarely-applicable rule quite fruitful, but I hated for forward compositions to be accidentally impacted by it negatively. I think the solution to align DP with the 50 move rule, proposed I believe by Kjell Widlert and Michel Caillaud, was utterly brilliant. The first composition in the Problemas article is certainly a joke, as the position is so far from reachable. But the second, although paradoxical, is exactly as respectable as any retro problem depending upon the 50 move rule.
 
 
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MatPlus.Net Forum General Problemas, April 2017 - issue n.18