Original Problems
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(11.01.2020) The New Year 2020 came to us, and the new fairy tournament JF-2020/I starts on JF. Welcome to all of you! I’m glad to welcome our judge of this period, Eric Huber! It is the 2nd time when Eric has accepted my invitation to judge JF’s tournament. Can’t believe that almost 7 years have passed since Eric’s 1st time (JF-2013(III), Award)! Dear Eric, thank you very much for your support! And I hope that authors will do their best to make your work enjoyable! |
Statistics JF-2019/II
Some statistics about just closed tournament JF-2019/II prepared by Shankar Ram:
Wishing good luck to the judge of this competition, Petko Petkov!
Originals 28-311219
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28-31st of December, 2019 My dear fiends, authors, visitors, commentators… Happy to have all of you visiting JF and sending your contributions! Happy New Year 2020 to all of you! I’m glad to present you some statistics by Shankar Ram: Your new works are very welcome in 2020! With the best wishes – Julia. |
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Animated diagrams use Py2Web by Dmitri Turevski and WinChloe’s graphics. |
All previously published problems you can find in the subsections of Original Problems menu on the top. The judge of JF-2019/II: Petko Petkov. The judge of Retro & PG problems 2019-2020: Vlaicu Crișan.
Originals 11-191219
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11-19th of December, 2019
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Animated diagrams use Py2Web by Dmitri Turevski and WinChloe’s graphics. |
All previously published problems you can find in the subsections of Original Problems menu on the top. The judge of JF-2019/II: Petko Petkov. The judge of Retro & PG problems 2019-2020: Vlaicu Crișan.
Sergey Smotrov 50JT
Jubilee tourney “Sergey Smotrov – 50”
Stipulation: s#12-N
Theme: logical selfmate in 12 or more moves.
Both orthodox selfmates and selfmates with any quantity of fairy pieces and/or conditions are allowed. Depending on quantity and quality of sent problems, the judge can divided an award into several subsections or, vice versa, can combine several sections into the one.
Judge: Sergey Smotrov | Send entries to the judge sergsmotrov@yandex.ru | Closing date: February 4th, 2020
Award will be published on the website http://superproblem.ru
Quartz 48 is online
Quartz 48, November 2019, is online at:
http://quartz.chessproblems.ca/pdf/48/Quartz48.pdf
By Paul Rãican:
The contest has one section: 1. Proof games with #color condition.
It is admitted, but not necessary, to add at most one other condition (but not fairy pieces). The tourney is informal. Send problems to the judge, until the 1st February 2020. Judge: P. Rãican.
#color (or simply #c) was introduced by Andrey Frolkin and Chris Tylor in feenschach 212/2015.
Definition: After a checkmate, the colour of the mating piece(s) is changed and the game resumes, if a legal position results. In a first phase, the authors introduced this condition in helpmates, but then, they also used it in proof games.
See, e.g., the problem No.1374 from Julias fairies. The genre may be tested by Jacobi, with condition #c.
Originals 23;271119
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23rd,28th of November, 2019
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Animated diagrams use Py2Web by Dmitri Turevski and WinChloe’s graphics. |
All previously published problems you can find in the subsections of Original Problems menu on the top. The judge of JF-2019/II: Petko Petkov. The judge of Retro & PG problems 2019-2020: Vlaicu Crișan.
Originals 171119
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17th of November, 2019 |
Animated diagrams use Py2Web by Dmitri Turevski and WinChloe’s graphics. |
All previously published problems you can find in the subsections of Original Problems menu on the top. The judge of JF-2019/II: Petko Petkov. The judge of Retro & PG problems 2019-2020: Vlaicu Crișan.
“Vertrackte Retraktoren” by Andreas Thoma
Have just received a wonderful book by Andreas Thoma “Vertrackte Retraktoren”! Though retractors are not my main interest, so nicely made 160 pages of the book, including 531 problem, articles and comics (by Claus Grupen) invite to have a closer look!
You’re welcome to buy it from Andreas, just contact him by e-mail: juanthoma@t-online.de.