Fritz 13 is now available, the latest
version of the immensely popular program that changed
the way we think about chess and computers.
CT Art 4.0
CT Art 4.0 is the best tactics training program
on the market for intermediate to advanced players.
4000 exercises to test your tactical sharpness.
CT Art will track your progress as you gain skill.
Watch your rating climb. PC/Windows. CD.
Rybka Aquarium 2011
The latest Aquarium 2011 IDEA interface coupled with the powerful
updated Rybka 4.1 analysis engines gives you a complete chess
playing program and more.
The advanced IDEA interface permits multiple analysis sessions; explore the critical subvariations, and analyze each in a separate window. Or study two or more unrelated games or positions.
Analyze, annotate, publish, search the rich game database,
create video lectures!
Comes with a huge game database. Supports Fritz/Chessbase files,
Chess Assistant files, and standard PGN text files.
Includes 4.7 million game database, which updates continuously.
Play chess online: 1 year membership to the ChessOK playing zone included.
BONUS: Includes Openings Encylopedia 2011 [DVD], more than 8000 annotations by GM Kalinin, 500,000 expert evaluations of key positions, and
40 million Rybka evaluations of positions in every opening.
Compatible with Windows 7/XP/Vista.
More Rybka Aquarium →
More Houdini Aquarium →
Houdini 2 Aquarium
Now Aquarium is available with the Houdini 2
engine! The same powerful IDEA, coupled with the latest and
Chess Assistant 12 Pro
Chess Assistant 12 Professional Edition
is now a whopping combination of Houdini PRO
with support for 36 CPUs.
Plus Openings Encyclopedia 2011
and ChessOK Aquarium.
Nearly 5 million games. Can read Chessbase databases, PGN files,
and zip files. Connect to ICC or
the ChessOK playing zone, or hook up a DGT board.
Lightning fast search.
(starter version only $79)
More Chess Assistant →
Comprehensive Chess Endings
Comprehensive Chess Endings is based on the classic by GM Yuri Averbakh.
Thousands of games and examples, classified into 300 themes.
Revised and expanded by Averbakh to include another 2900 games
from modern practice.
Includes Crafty and Chess Assistant Light.
Deep Rybka Aquarium 2011
The same Aquarium 2011 IDEA interface coupled with the multi-core
Rybka 4.1 analysis engines, ideal for infinite analysis on a PC
with a modern processor.
The same BONUS Openings Encyclopedia 2011, one year membership to
ChessOK playing zone, and all the features of Aquarium 2011.