Original Problems JF-2020/I
|
June, 2020 The judge of JF-2020/I: Eric Huber. Dear friends, I’m sorry for the unstable work of JF during the last week of June! Some changes from the hoster’s side, moving to the new platform, the same way some work I have to do as part of my code is not compatible with the new requirements. |
|
|
All previously published problems & informal competitions you can find on the top menu page of Original Problems or its subsections. Animated diagrams use Py2Web by Dmitri Turevski and WinChloe‘s graphics, Christian Poisson |
Jubilee-60 MARIANI-PARRINELLO-SIMONI
~ ~ ~ 60 Jubilees! ~ ~ ~
Francesco SIMONI 60 JUBILEE – THEMATIC TOURNEY Judge: Francesco Simoni (Italy) |
Mario PARRINELLO 60 JUBILEE – THEMATIC TOURNEY Judge: Petko A. Petkov (Bulgaria) |
Stefano MARIANI 60 JUBILEE – FREE THEME TOURNEY Judge: Paz Einat (Israel) |
Helpmates in 3,5 or more moves showing the Perpetuum mobile theme are required. By making the key, a new problem comes out, which is solved by returning the key piece to the starting square. In addition…. -> | Are required Helpselfmate (HS≠) in n moves with any kind of cyclic play; all fairy pieces and conditions are allowed. The problems must be cheked (C+) by any known solving program. | Are required ≠2, free theme. Fairy pieces or conditions are not allowed. |
All problems will be submitted to the judge anonymously. Deadline 31/12/2020. See examples in the PDF announcement (English and Italian). |
229th theme tourney of the Schwalbe
229th theme tourney of the Schwalbe
To celebrate the 70th anniversary of Franz Pachl,
the Schwalbe announces a THEME TOURNEY.
Required are helpselfmates in 2-4 moves where the mating move is performed by a neutral piece (not by a semi-neutral one!). Fairy pieces and conditions are allowed. Twins (including zero positions) and multiple solutions are allowed, but all phases must be thematic.
Tourney director: Rainer Kuhn, e-mail: rainer.kuhn@web.de | Judge: Franz Pachl (Ludwigshafen) | Prize money: 200 €
Closing date: July 08, 2020 (postmark or date of email) | The award will be published in the February issue of Die Schwalbe 2021.