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Order any two training programs in our online chess shop and get a third training program absolutely free. If your order is more than $120 / €100 Euro, you will get additional present.

New CT-ART 5.0 combines three excellent courses guiding you from beginner to advanced level.

Rybka 3 Aquarium 3.0.8 Update
Rybka 3 Aquarium logotypeRybka 3 Aquarium 3.0.8 Update has been released just recently. You can download it using ChessOK Downloader or from our site: Full update from any version Incremental update 3.0.7 to 3.0.8 The download size is 16 Mb. For German version: after installing the update, delete the file <aquarium>\Aquarium.ger-rs-map. We’ll release special German 3.0.8 update soon. Read below what’s new (also available in the Aquarium FAQ): Read the rest of this entry »

Chess Assistance site is back
Bob Pawlak’s wonderful site (ChessAssistance.com), which was unavailable because of hosting problems, now is back online on our hosting and resides at https://ca.chessok.com. Update your links please. Chess Assistance provides a handful lot of useful manuals, FAQ’s and other documents on our headline chess database program – Chess Assistant.

Rybka 3 Aquarium review by Mark Donlan
Rybka 3 Aquarium logotypeWe have a new Rybka 3 Aquarium review available on our site under Articles section. The review, written by Mark Donlan, is titled “Get on Swimmingly” and covers major aspects of Aquarium as its interface, its features and its functions. In the end, author summarizes:

“Thus, Rybka 3 Aquarium offers many powerful tools for game analysis that will benefit serious competitors and many fun features for chess play that will please recreational users. The developers are also very adroit when it comes to adding features that are in demand and it pays to visit the Rybka forum and let them know what features you would like to see in future versions.”

Chess Olympiad: More Commented Games
The 38th Chess OlympiadChessOK is going to select and thouroughly analyze and comment the most interesting games from the recently finished 38th Chess Olympiad in Dresden. Games would be commented by our commentator with a help of Rybka 3 Aquarium on a powerful 8 core computer. We’ll be putting up the first report soon, so stay tuned.
And for today, there is a post-event thorough analysis of round 11 by Rybka 3 Aquarium [PGN]

Game Analysis with Rybka Aquarium

Rybka 3 Aquarium logotype Rybka Aquarium offers new analysis methods as well as improvements to older methods.
In previous ChessOK Cafe columns we examined Interactive Deep Analysis (IDeA) and Infinite Analysis .
This month we take a look at Game Analysis.
Read the rest of this entry »

Chess Olympiad Dresden 2008: Round 11
Armenia wins the Olympiad once again defending the title! ChessOK commentated on the following matches and games:
  • China – Armenia 1½ – 2½
    • Wang Yue – Aronian ½ – ½
    • Bu Xiangzhi – Akopian ½ – ½
    • Ni Hua – Sargissian ½ – ½
    • Li Chao B – Petrosian 0-1
  • USA – Ukraine 3½ – ½
    • Kamsky – Ivanchuk 1-0
    • Nakamura – Karjakin ½ – ½
    • Onischuk – Eljanov 1-0
    • Shulman – Efimenko 1-0
Final Round with Rybka 3 Aquarium live comments Below are the final standings Read the rest of this entry »

Chess Olympiad Dresden 2008: Round 10
Both men and women tournament’s leaders have changed again! The main results of the day: Men: Ukraine – Israel 2½ – 1½ (Efimenko won Postny), Armenia – Serbia 3 – 1 (Aronian and Akopian won). Women: Serbia – Ukraine 2 – 2 (4 draws), Armenia – Poland 1½ – 2½. Tomorrow will be the rest day. Round 10 with Rybka 3 Aquarium live comments
The most interesting games of Round 10 commented by Rybka 3 Aquarium [PGN] Below are the full standings after round 10: Read the rest of this entry »

Chess Olympiad Dresden 2008: Round 9
Both men and women tournament’s leaders have lost! The main results of the day: Men: Armenia – Israel 1½ – 2½ (Gelfand and Rodshtein won but Avrukh lost to Sargissian), Russia – Ukraine 1½ – 2½ (Efimenko won Morozevich). Women: China – Serbia 1½ – 2½, Poland – USA 3-1, Ukraine – Romania 3-1. Round 9 with Rybka 3 Aquarium live comments
The most interesting games of Round 9 commented by Rybka 3 Aquarium [PGN] Below are the full standings after round 9: Read the rest of this entry »

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