Software for handling chess problems: Difference between revisions

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==Software==

===Alybadix===

First developed in 1980 by Ilkka Blom, ''Alybadix'' is a suite of chess problem -solving programs for [[DOS]] and [[Commodore 64]].<ref name=british>{{cite journal|journal=The British Chess Magazine|volume=106|publisher=Trubner & co.|year=1986}}</ref> Alybadix supports solving classical problems: selfmates, reflex mates, series mates, Circe, maximummers,<ref name=oxford>{{Cite book|title=The Oxford Companion to Chess|author=David Hooper|author2=Kenneth Whyld|publisher=Oxford University Press|year=1996}}</ref> and many Fairy types.<ref name=british/> It comes with a large problem collection and supports quality [[printing]].<ref name="ALY">[http://alybadix.wippiespace.com/ Alybadix official website] {{webarchive|url=https://archive.today/20070526215733/http://alybadix.wippiespace.com/ |date=2007-05-26 }}</ref> In 1993, Schach und Spiele magazine considered Alybadix to be six times faster than other playing machines including the RISC 2500.<ref>{{cite journal|journal=Chess Life|volume=48|publisher=United States Chess Federation|year=1993}}</ref><!--This cites one of Alybadix's sellers so may not qualify as independent sourcing-->

===Popeye===

Popeye is a chess problem-solving software accommodating many fairy chess rules and able to investigate set play and tries. It can be used with several operating systems and can be connected to several existing graphical interfaces since it comes with freely available source code, cf. {{GitHub|https://github.com/thomas-maeder/popeye}}. Since its origin, Popeye was designed as a general-purpose, extensible tool for checking fairy and heterodox chess problems.<ref>{{cite web|title=A short history of Popeye|year=2012|website=Julia’sFairies|access-date=16 November 2018|first=Thomas|last=Brand|url=http://juliasfairies.com/software/popeye/history-of-popeye/}}</ref><ref>{{cite magazine|first=Thomas|last=Brand|magazine=Die Schwalbe|issue=104 |date=April 1987|pages=215–216|title=Popeye, eine eierlegende Wollmilchsau?}}</ref> The original author of Popeye was Philippe Schnoebelen who wrote it in [[Pascal (programming language)|Pascal]] under [[MS-DOS]] around 1983-84. In 1986 the code was donated in the spirit of the [[free software]] movement. Elmar Bartel, Norbert Geissler, Thomas Maeder, Torsten Linss, Stefan Hoening, Stefan Brunzen, Harald Denker, Thomas Bark and Stephen Emmerson, converted Popeye to the [[C (programming language)|C programming language]], and now maintain the program.

A good graphic interface "AP WIN" a freeware, for using with [[Windows XP]] or [[Windows 7]] has since been developed by Paul H. Wiereyn.<ref>{{cite web |url=http://alybadix.viuhka.fi/apwin/apwin.htm |title=Archived copyApwin |accessdate=2012-08-08 |url-status=dead |archiveurl=https://web.archive.org/web/20120725065341/http://alybadix.viuhka.fi/apwin/apwin.htm |archivedate=2012-07-25 }}</ref> Using this one can create diagrams and use Popeye for solving problems directly from the diagram.

===Chloe and Winchloe===

Chloe (DOS) and Winchloe (proprietary software) are solving programs written by Christian Poisson.<ref>{{cite web |url=http://www.strategems.org/beginners/software/WinChloe/WinChloe.htm |title=Archived copyWinChloe |accessdate=2011-03-12 |url-status=dead |archiveurl=https://web.archive.org/web/20110719121238/http://www.strategems.org/beginners/software/WinChloe/WinChloe.htm |archivedate=2011-07-19 }}</ref> Winchloe not only supports classical problems&nbsp;&nbsp;— direct mates, helpmates and selfmates&nbsp;&nbsp;— but also many fairy pieces and conditions with different sized chessboards (up to 250 by 250 squares). It comes with a collection of more than 300,000 problems that can be updated via the Internet.{{citation needed|date=July 2017}} Christian Poisson also maintains the Web site Problemesis.

===Natch and iNatch===

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mates (as well as stalemates for self- and help mates). A UCI adapter (written by Franz Huber) is also available,

allowing Chest to be used as solving engine in any UCI-capable chess GUI.

===Stelvio===

[https://www.thbrand.de/stelvio-seite/ Stelvio] is a freeware program written by [[Reto Aschwanden]] devoted to solving orthodox shortest proof games. It is written in Java and can therefore run on various platforms.

==Databases==

===Chess Problem Database Server===

[https://pdb.dieschwalbe.de/ Chess Problem Database Server] is online [[database]] of all types of [[chess problem]]s, maintained by [[Gerd Wilts]], hosted by [[Die Schwalbe]]. Database incorporated [[John Niemann]] collection and the work of a lot of contributors. Database has 428,703 problems (as of November 2019). Problems are represented graphically with solutions and commentary.

==Other==

===LaTeX Diagram Style===

Diagram is a style file for [[LaTeX]] for typesetting chess diagrams.{{citation needed|date=July 2017}} The style was originally created by Thomas Brand and further developed by Stefan Hoening, both based on ideas of a [[TeX]] package from Elmar Bartel. The style is used to produce the German problem chess magazine [[Die Schwalbe]].

== External links ==

* [https://pdb.dieschwalbe.de/ Chess Problem Database Server]

==See also==

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==References==

{{reflist|30em}}

== External links ==

* [https://pdb.dieschwalbe.de/ Chess Problem Database Server]

{{DEFAULTSORT:Software For Handling Chess Problems}}