Shredder (software)

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{{Infobox software

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| title = Shredder

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| author = Stefan Meyer-Kahlen

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| released = {{Start date and age|1993}}

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| latest release version = 13

| latest release date = {{Start date and age|2016|11|22}} {{cite web|url=https://www.shredderchess.com/news.html|title=Shredder News|accessdate=2 November 2020}}

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| genre = Chess engine

| license = Proprietary

| website = {{URL|www.shredderchess.com}}

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{{Chess programming series}}

Shredder is a commercial chess engine and graphical user interface (GUI) developed in Germany by Stefan Meyer-Kahlen in 1993. Shredder won the World Microcomputer Chess Championship in 1996 and 2000, the World Computer Chess Championship in 1999 and 2003, the World Computer Speed Chess Championship in 2002, 2003, 2004, 2005, and 2007, and the World Chess Software Championship in 2010.

The Shredder engine version 10.0 was released in June 2006. Version 11.0 was released in October 2007. Version 12 was released in January 2010. The "Deep" version takes advantage of multiple CPUs or multiple core CPUs. Version 13 was released on 30 October 2016. Version 13 is about 300 Elo better than Version 12.

Shredder is one of the few commercial chess programs which is available not only for Windows and Mac OS, but also for Linux. Shredder is also available on the iPhone, the iPad{{cite web|url=https://apps.apple.com/us/app/shredder-chess/id308032437|title=Shredder Chess for iPhone, iPod touch, and iPad on the iTunes App Store|publisher=Apple.com|access-date=5 April 2011}} and Android.{{cite web|url=http://www.shredderchess.com/chess-program/shredder-android.html|title=Shredder Computer Chess Download - Shredder for Android|publisher=ShredderChess.com|accessdate=5 April 2011}} GNOME Chess{{cite web|url=https://wiki.gnome.org/Apps/Chess|title=GNOME Chess App - Wiki|accessdate=1 May 2023}} is used as the graphical front-end for Shredder.