Originals 281017

 

J’F

Original Problems

 

28th of October, 2017

The day of retro problems! 🙂

  • (28.10) No.1245.1-5 – Andreas Thoma (-N/#1; Proca Retractor; Anticirce Cheylan). A selection (PDF) of 5 Proca Retractors with Anticirce Cheylan condition with the same idea. For the competition I’ve assigned numbers to original problems from No.1245.1 to 1245.5.
  • (22.06) No.1244.1-15 – Andreas Thoma (-N/#1; Proca Retractor; Anticirce Cheylan). A selection (PDF) of 15 Proca Retractors with Anticirce Cheylan condition, each using not more than 4 pieces on the board was presented by Andreas and published on 22.06.2017. For the competition I’ve assigned numbers to original problems from No.1244.1 to 1244.15.
  • (28.10) No.1146.1 – Paul Rãican (PG 17; Masand). The version to No.1146, published after the end of tournament but before the award is made, accepted by the judge of PG/Retros 2015-16 Thomas Brand.

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-10/2017-3/2018 is not appointed yet. The judge of Retro & PG problems 2017-2018: Dirk Borst


Originals 17;231017

 

J’F

Original Problems

 

17;23rd of October, 2017

Thanks a lot to Shankar Ram, who kindly updates the list of problems of the current tournament,  JF-10/2017-3/2018!

I haven’t appointed yet the judge for the current period, but glad to announce the future judges: 

  1. JF-2018/II, 01.07-31.12.2018: Kjell Widlert
  2. JF-2019/I, 01.01-30.06.2019: Michal Dragoun
  • (23.10) No.1243 – Peter Harris (h=2; Sentinelles PionAdvers, TransmutedKings, Circe Super, Isardam).
  • (17.10) No.1242 – Ľuboš Kekely & Ladislav Packa (h#2.5; Anti-Circe, Transmuted kings). Why Anti-Circe is better than Circe here?..

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-10/2017-3/2018 is not appointed yet. The judge of Retro & PG problems 2017-2018: Dirk Borst


Originals 02-091017

 

J’F

Original Problems

 

2-9th of October, 2017

  • (09.10) No.1241 – Vito Rallo (h#3; Circe Parrain).
  • (05.10) No.1240 – Dmitri Turevski (hs#5.5). Two solutions – two maneuvers!
  • (04.10) No.1239 – Hans Peter Rehm, Kjell Widlert & Klaus Wenda (#9; Nonstop-Equihopper, Leo, Pao, Vao, Grasshopper, Rookhopper, Wazir). “The interchange of places “there and back again”…”
    Warm welcome to Hans Peter Rehm in Original problems section of JF!
  • (02.10) No.1238 – Georgy Evseev (h#2; Leo, Camel, Giraffe). I like the dedication to the Baltic Sea.. and the incoming waves on the top of the board.

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-10/2017-3/2018 is not appointed yet. The judge of Retro & PG problems 2017-2018: Dirk Borst


Originals 08;15;280917

 

J’F

Original Problems

 

8;15;28th of September, 2017

  • (28.09) Fairings No.55 & Fairings No.56 – Chris Feather, distributed by Stephen Emmerson, is added to the Articles section!
  • (15.09) No.1232.1 – Nicolas Dupont (PG 7.0; Checkmate position, Undefined pieces, Disparate). “The novelty is that this problem is correct, according to a non-official solving program by François Labelle! I also thank Paul Raican for valuable discussions.” (Author)
  • (15.09) No.1237 – Paul Rãican (PG 6.5; Undefined pieces; Volage Chess).
  • (08.09) No.1236 – Joost de Heer (SPG 6.0; Extinction Chess).

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 Retro & PG problems 2017-2018: Dirk Borst. The next fairy tournament (JF-2017/II) will start on October, 1st, 2017.


Originals 23-300617

 

J’F

Original Problems

23-30th of June, 2017

  • (30.06) No.1235 – Ladislav Salai jr., Emil Klemanič, Ladislav Packa, Michal Dragoun (s#2 ; Rook-Lion, Bishop-Lion, Nightrider-Lion).
  • (30.06) No.1233.1 – Jean-Marc Loustau (#2 ; VAO, PAO, NAO). Improved version to No.1233.
  • (29.06) No.1234 – Peter Harris (h#3 ; Haaner Chess, TransmutedKings, Anti-Circe Cheylan, Super-Circe, Anti-Andernach Chess). The problem has author’s solutions till Popeye version 4.61, with testing time around 10min., all the next versions show no solutions, and the last version Popeye 4.77 takes hours for testing (JV).
  • (26.06) No.1233 – Jean-Marc Loustau (#2 ; VAO, PAO, NAO).
  • (24.06) No.1232 – Nicolas Dupont (PG 6.5 ; Checkmate position, Undefined pieces, Disparate).
  • (24.06) No.1231 – Michael Grushko (ser-h#8 ; Phantom Chess, Ghost Chess ; Grasshopper).
  • (24.06) No.1230 – Georgy Evseev & Boris Shorokhov (h=5 ; Circe). Full check for 5 moves is impossible on available computers. (Authors)
  • (23.06) No.1229 – Vladimir Kozhakin (#3 ; KoeKo).
  • (23.06) No.1228 – Gani Ganapathi & K.Seetharaman (ser-h#7 ; Circe Equipollents ; Royal Gnu).

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-2017(I)Tadashi Wakashima. The judge of Retro & PG problems 2017-2018: Dirk Borst.


Originals 150617

 

J’F

Original Problems

 

15th of June, 2017

  • (15.06) No.1227 – Pierre Tritten & S.K.Balasubramanian (h#2 ; Back-to-Back).
  • (15.06) No.1225.1 – Gani Ganapathi & K.Seetharaman (hs#2.5). Improved version of No.1225.
  • (15.06) No.1226 – Stephen Emmerson (PG 6.5 ; Royal Dynasty).

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-2017(I)Tadashi Wakashima. The judge of Retro & PG problems 2017-2018: Dirk Borst.


Originals 03-060617

 

J’F

Original Problems

 

3-6th of June, 2017

  • (06.06) No.1225 – Gani Ganapathi (hs#2.5).
  • (05.06) No.1224 – Narayan Shankar Ram & Juraj Lörinc (r#5 ; Nightrider-Hopper). …The real question is – how this complex of various themes packed into one problem would be appreciated by the public. We will see… (Authors)
  • (04.06) No.1223 – Günther Weeth & Klaus Wenda (-9 & #1 Klan Retractor ; Anti-Circe ; Magic Wandering Unit). The retro-problem is featuring “Der Magische Wanderstein” in English “Magic Wandering Unit” (an invention by my friend Günther Weeth). The rules (=convention) were published for the first time in feenschach 213/2015 in German language. Günther has made an English translation for JF readers (Klaus Wenda). Grateful so much to the both authors for the dedication! (JV)
  • (03.06) No.1222 – Peter Harris (hs#4.5 ; Anti-Circe, Isardam).

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-2017(I)Tadashi Wakashima. The judge of Retro & PG problems 2017-2018: Dirk Borst.


Originals 280517

 

J’F

Original Problems

 

28th of May, 2017

  • (28.05) No.1221 – Chris Feather (h#7 ; Alphabetic Chess).
    And some more problems by Chris in the latest issue of Fairings – Fairings 54, kindly distributed by Stephen Emmerson.
  • (28.05) No.1220 – Michael Grushko (ser-h#6 ; Phantom Chess, Ghost Chess; Grasshopper, Lion).

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-2017(I) is not appointed yet. The judge of Retro & PG problems 2017-2018: Dirk Borst.


Originals 270517

 

J’F

Original Problems

 

27th of May, 2017

  • (27.05) No.1219 – N.Shankar Ram (hs#2.5 ; Madrasi Rex Inclusive).
  • (27.05) No.1218 – S.K.Balasubramanian (h#2 ; Andernach).
  • (27.05) No.1217 – Vladimir Kozhakin (h#2 ; Anti-Take&Make).
  • (27.05) No.1216 – Hubert Gockel (#2 ; Eiffel Chess).

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-2017(I) is not appointed yet. The judge of Retro & PG problems 2017-2018: Dirk Borst.


ECSC 2017 in Riga; break in publications…

ecsc2017riga-logoDear Friends, being one of the organizers of the 13th European Chess Solving Championship in Riga from Friday, May 12th to Sunday May 14th, I’m very much busy till the end of the event. I have to apologize for the delay in publications on JF. Please, send your original problems starting May 16th and I’ll be glad to publish them!

Of course, will continue to update WFCC website, especially during ECSC. Thank you! – Julia.