HIARCS Chess Software for PC Windows, Apple Mac and iPhone/iPad PC Deep Junior 12
World Championship winning computer chess software program & downloads for chess database, analysis & play on PC, Mac and iPhone

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Deep Junior 12 UCI chess engine
Suitable for all players including the World Chess Champion
Platform: PC MS Windows™ 98, ME, 2000, XP, Vista and Windows 7 (all versions including 32&64 bit)
Playing ability: World Chess Championship strength (3050+ Elo)†  
Engine authors: Amir Ban and Shay Bushinsky
Opening book author: GM Alon Greenfeld
Deep Junior 12.5 shares first at Thüringer Computer Chess Championship, Germany, May 2011

Deep Junior has long been established as one of the world's premier chess playing engines and has won many World Computer Chess titles. Deep Junior 12 is as aggressive and attacking as ever with a wonderful sense for king attacks and dynamic play - an essential partner for any attack minded chess player. The Deep Junior chess program is unique in its understanding of compensation and therefore chess players of all standards can use Junior to gain a deep insight into their games and prepare new exciting lines involving sacrifices with confidence. The chess knowledge has naturally also been improved so the Deep Junior 12 series is the strongest ever Junior and capable of supporting up to 40 cores simultaneously for the ultimate performance. Read more about Deep Junior for PC...

Key features:

bulletThe latest premier Deep Junior 12 series multi-processor chess engines (32 & 64 bit) in UCI form for use in all good chess GUIs
bulletNew and strongest ever Deep Junior 12.5 chess engine, a generation ahead in strength over Deep Junior 11.x
bulletRetains Deep Junior's enterprising and entertaining playing style in strongest ever setting
bulletSupporting up to 40 cores with a new and improved multiprocessing algorithm
bulletStrength Limitation feature adjusts playing strength to suit players from casual amateur to Grandmasters
bulletMany time World Computer Chess Champion and the program that drew match with Kasparov
bulletState-of-the-art opening book (ctg format) by GM Alon Greenfeld (winner of bronze medal in 2010 chess Olympiad as Israeli team captain)
bulletIntegrated engine book for use where ctg cannot be used
bulletFull set of configurable Deep Junior UCI engine parameters
bulletPurchase includes discount coupon of 20% off future purchases on www.hiarcs.com (valid until 31st December 2011)

Deep Junior 12 UCI is a PC Windows software download product only. It requires a GUI such as Fritz, Chessbase, Arena, Chess Assistant, Shredder, Chess Partner etc, that support UCI engines .

Play through the exciting Kasparov-Deep Junior match games here.

Prices from*: £49.95 / 59.95 / $79.95     *VAT may be applicable for European Union residents.


Thank you to GM Alon Greenfeld for his contribution of the excellent Deep Junior Opening Book.

Thanks also to a number of other supporters who prefer to remain incognito.

Photograph of Kasparov and Deep Junior by John Henderson, thank you.

We thank Eugene Nalimov and Andrew Kadatch for their kind permission to use their access code (copyright (c) Eugene Nalimov) and decompression code (copyright (c) Andrew Kadatch) for Nalimov tablebases in the Deep Junior chess engine.



† Highest performance reached depends on hardware/device used.
Copyright © 1991-2010 Applied Computer Concepts Ltd. All rights reserved. Last modified: Tuesday December 27, 2011.