Deep Junior PC Chess Software

World Championship winning computer chess software program & downloads for chess database, analysis and play on PC, Mac and iPhone

PC Deep Junior

Deep Junior Yokohama chess engine

The World Computer Chess Champion chess engine for PC MS Windows
Suitable for all players including the World Chess Champion
Platform: PC MS Windows™ XP, Vista, Windows 7, 8 & 10 (32 and 64 bit)
Playing ability: World Chess Championship strength (3200+ Elo)†
Engine authors: Amir Ban and Shay Bushinsky, Opening book author: GM Alon Greenfeld

Deep Junior Yokohama is the World Computer Chess Champion and 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 series are the strongest ever and capable of supporting up to 40 cores simultaneously for the ultimate performance.

Key features:

	Deep Junior Yokohama multi-processor UCI chess engines (32 & 64 bit)
	Includes Deep Junior 13 and 13.3 chess engines!
	New strongest ever Deep Junior chess engine
	Retains Deep Junior's enterprising and entertaining playing style in strongest ever setting
	Supporting up to 40 cores with a new and improved multiprocessing algorithm
	Strength Limitation feature adjusts playing strength to suit players from casual amateur to Grandmasters
	Many time World Computer Chess Champion and the program that drew match with Kasparov in 2003
	Junior CTG opening book by GM Alon Greenfeld (2010 Chess Olympiad bronze medalist)
	Integrated engine book for use where ctg cannot be used
	Full set of configurable Deep Junior UCI engine parameters
	Emailed delivery, discounted renewals

Deep Junior Yokohama UCI is a PC Windows software download product only. It requires a UCI compatible chess GUI such as HIARCS Chess Explorer, Fritz, Chessbase, Arena, Chess Assistant, Shredder, Chess Partner etc.

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

Price*: £37.50 / €45 / $49 *VAT may be applicable for European Union residents.

Deep Junior Yokohama UCI for PC (Full multi core/processor version)
The current World Computer Chess Champion Deep Junior Yokohama
The ultimate Deep Junior chess engine - now capable of supporting up to 40 cores!
Includes older Deep Junior 13, 13.3 chess engines.
Opening book by GM Alon Greenfeld available by download after purchase (526Mb)
Engine download information and license emailed immediately after purchase
Click here to order Deep Junior Yokohama for PC Windows
*Price**: £37.50 / €45 / $49

Acknowledgements

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.

THANK YOU!