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MatPlus.Net Forum Fairies Draughts problems
 
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(1) Posted by Joost de Heer [Friday, Mar 2, 2012 20:11]

Draughts problems


In a way, draughts is just a fairy chess variation :)

So here are a few of my draughts problems. Enjoy!

http://sanguis.xs4all.nl/dammen/problemen.html
 
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(2) Posted by seetharaman kalyan [Friday, Mar 2, 2012 22:29]; edited by seetharaman kalyan [12-03-02]

Amazing and very entertaining. You have made me realise how deep draughts problems can be.
 
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(3) Posted by Alex Levit [Friday, Mar 2, 2012 23:00]

I compose mostly miniature problems (7 white and 7 black man at the most). Also I have some fairy draughts problem on 8x8 board.
Here is some of my best:
http://fmjd.org/dias2/save/13307245136.png
http://fmjd.org/dias2/save/13307247307.png
http://fmjd.org/dias2/save/13307249439.png
http://fmjd.org/dias2/save/13307251131.png
http://fmjd.org/dias2/save/13307252896.png
Everywhere white to play and wins. Some problems may be hard to solve. I give solutions in another post. Enjoy!
 
 
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(4) Posted by Joost de Heer [Friday, Mar 2, 2012 23:20]

I like those, as far as I could solve them.

#1: 16-11, 18-13 and I can't see a proper variation.
#2: 6-1, 20-14, 15x4 (31-36) 4x22 (36x47) 1x42, 22x44, 45x34
#3: 40-34 (27x38) 34x3 (43-49) 48-43, 19-14, 3x43, 14x5
#4: 17-11, 8-2, 2x50 (16-21, 23-28, 43-48) 22-28 (48x14) 28x46
#5: 10-4, 4x6 (5-10, 34-39) 5x41, 6-28, 44x42

My favourite composers: Sergei Perepelkin, Benjamin Morkus, Sergei Yushkevich, Leen de Rooij.
 
   
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(5) Posted by Alex Levit [Saturday, Mar 3, 2012 00:11]; edited by Alex Levit [12-03-03]

You solve compositions 2-5 right and very quick. No 1 is realy hard to solve. One otb master spend 3 hours.
Don't read it if you want to try again.

My favourite composers: Benjamin Morkus, Sergei Yushkevich, Evgraf Zubov, Michail Lewandovskij, Alexey Pankratjev

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11,13(24a)2(32)16(21)27(33)30,37,39x
a(33)29(26)2(32)30,48x
 
   
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(6) Posted by Joost de Heer [Saturday, Mar 3, 2012 10:44]

Ah, how could I forget Zubov. I met him in Prague somewhere in the '90s, very nice man.

I saw the intended solution of the first one this morning, but found out you already posted it.
 
   
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(7) Posted by Siegfried Hornecker [Saturday, Mar 3, 2012 16:14]

http://timkr.home.xs4all.nl/chess2/diary_13.htm

Item 252 by the late Jan Voormans.
http://timkr.home.xs4all.nl/chess2/voormans.gif
 
   
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(8) Posted by Per Olin [Sunday, Mar 4, 2012 18:10]

My impression is that the draught problems shown here correspond to the endgame studies of chess composition, where the normal stipulations are white/black to move and win/draw. What stipulations are there for draught problems? Any proofgames? Any of the type 'White played 5.xx-yy. Game score?' - Wikipedia does not tell much about the problem side of draughts. From the links in Wikipedia can be found some basic endgame theory, but there seems to be nothing more reminding of problem chess.
 
   
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(9) Posted by Joost de Heer [Sunday, Mar 4, 2012 18:50]; edited by Joost de Heer [12-03-04]

There are some draughts composition branches:
- Endgame: Can be compared to studies in chess: Usually few material, including kings, and win is mostly strategical
- Miniatures: Maximum 7 pieces of each colour, usually revolves around 'maxi-endgames': Positions with kings but with still lots of material on the board. All the material Alex Levit presented here is in this category.
- Capture compositions: Revolves around capture-combinations. All the material I presented here is in this category.
- Polyproblems: Problems with multiple lines, each ending in an exact win. Kings on both sides are allowed
- Zadachi: The goal is to block all pieces. If black can sacrifice his last piece, the goal isn't reached
- Game-composition: The position should be as 'game-like' as possible (and yes, that definition is vague).

I mostly compose capture-problems, with an occasional endgame or game-composition.

Retro-composition in draughts is very hard. I've tried once to create a proofgame, but haven't found anything worthwhile.
 
   
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(10) Posted by Michael McDowell [Sunday, Mar 4, 2012 19:21]

The late Ken Whyld once told me that he did not class draughts as a chess variant, as it lacked one of the essential features (by his definition), namely a royal piece, whose imminent capture ends the game.

This is also of course why draughts compositions are the equivalent of studies and not problems with a stipulation in x number of moves.
 
   
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(11) Posted by Alain Brobecker [Sunday, Mar 4, 2012 19:52]

For the sake of completeness i copy here these two links for retro-draughts:
http://abrobecker.free.fr/chess/AnalyseRetrogrades_dames.pdf
http://www.dorinde.nl/steenslag/curiosa/waar.htm

The stipulations are approximately:
Henri Chiland: how did the 23 man (e7) get there?
Thierry Le Gleuher: White has just moved. Black can not force White to take back his last move and play another move (thus if last move was a capture it was the biggest possible capture). What was the last move?
Siep Korteling: The first diagram is missing a black king. Where is it?

I also tried to create a game to show that 20 men each are not enough (Kings (Dames?) are usually made by using two stacked men):
1.34-30,18-22 2.30-25,17-21 3.32-28,12-17 4.39-34,21-27 5.34-30,16-21
6.43-39,21-26 7.39-34,11-16 8.34-29,16-21 9.29-23,7-11 10.23-18,11-16
11.48-43,1-7 12.43-39,7-11 13.18-22,20-24 14.12-7,15-20 15.7-1

There are some draughts/checkers notes in Variant Chess issues (everything downloadable, index...).
http://www.bcvs.ukf.net/
http://www.bcvs.ukf.net/contents.htm
http://www.mayhematics.com/v/v.htm
 
   
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(12) Posted by Joost de Heer [Sunday, Mar 4, 2012 20:11]

 QUOTE 

The late Ken Whyld once told me that he did not class draughts as a chess variant, as it lacked one of the essential features (by his definition), namely a royal piece, whose imminent capture ends the game.

Does that mean that Mr. Whyld didn't consider Qui perd gagne to be a chess variant?

(But I do agree with him by the way. My comment about draughts being a fairy chess variant wasn't entirely serious)
 
 
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(13) Posted by Joost de Heer [Sunday, Mar 4, 2012 20:14]

 QUOTE 

I also tried to create a game to show that 20 men each are not enough (Kings (Dames?) are usually made by using two stacked men):

See http://10x10.dse.nl/problems/40kings.html: It's possible to get 20 white and 20 black kings at the same time.
 
 
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(14) Posted by seetharaman kalyan [Sunday, Mar 4, 2012 20:39]

@McDowel:
<<<namely a royal piece, whose imminent capture ends the game.>>>
Losing chess: Is it a chess variant? No royal piece in it.
 
   
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(15) Posted by Alain Brobecker [Sunday, Mar 4, 2012 21:43]; edited by Alain Brobecker [12-03-04]

Trying to spice things a bit, just before leaving this question: Maybe Chess is just a Draught variant? ;p
(not totally unserious)
 
 
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MatPlus.Net Forum Fairies Draughts problems