Chess Assistant 15 & Chess Assistant 15 PRO
Chess Assistant 15 combines advanced game database management, analysis powered by Houdini 4, the advanced Tree mode, Opening Encyclopedia and many other features.
Online Grand Prix 2012
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Frequently Asked Questions (FAQ):
(last updated December 19, 2013)
A: Lomonosov Tablebases allow you to determine if any position with 7 or less pieces leads to a draw or can be won by either side - with 100% certainty. Nalimov Tablebases only allow to do this with up to 6 pieces on the board.
A: The current version of ChessOK Aquarium has some issues with older Opening books. To fix the issue with Rybka 4 Opening book, install it, then download the Rybka4_book.xml file and save it to the ..\aqaurium2012\Data\Config\TreeСonfig\.. directory.
A: Yes, we can. Write to our technical support (firstname.lastname@example.org) and we’ll tell you how to download it in 3 files of smaller size.
A: To get your login for this function, send an e-mail with your serial number to email@example.com. Your serial number will be your password for automatic updates. Don’t forget to include your serial number, or we will not be able to send you the login.
A: Houdini 2 Aquarium is primarily a tool for playing and analyzing. It has various playing modes, including with material, rating and other kinds of handicaps; advanced game analysis functions with different tree presets etc. Chess Assistant 12 is a multipurpose product combining powerful playing and analyzing modes with broad options for databases and Chess Opening Encyclopedia. Both programs include an up-to-date database of more than 5.2 million games (as of October 1, 2011) that can be updated weekly from www.chessok.com.
A: Yes, both Chess Assistant 12 and Houdini Aquarium include Houdini UCI. After installation, Houdini UCI and its documentation can be found in the following folders:
Q: Where can I find the free database updates mentioned during the Houdini Aquarium release?
A: Database and other updates can be downloaded from the Free Game Service page.
A: Detailed instructions and a video guide can be found on this page.
Q: I cannot install Jeroen book 3 and Aqaurium book 4 into the new Houdini 2 Aquarium
A: Houdini Aquarium goes without two files: Rybka4_book.xml and Jeroen_Book.xml. Please download the files:
A patch fixing this problem for Houdini Aquarium will soon be released.
Q: Aquarium says my serial is invalid when I try to copy/paste it. What’s wrong?
A: There’s a behaviour of Windows 7/Vista that often changes the ‘-’ (minus) character for a similar, but different dash character when you copy/paste a serial key from clipboard. This can be solved by manually typing the serial, or manually replacing the dashes with a ‘-’ (minus) sign. We’re going to implement a fix in a future updates.
Q: I get an error message of “Failed to set data for “CA Chess (True Type)”. Chess fonts do not display properly. What should I do?
A: When running the installer under Windows Vista/7 you will be prompted to select installation path, by default C:\Program files\
Q: I inserted activation link in “activate course” tab in Peshka and got “no new courses” message. What’s wrong?
A: This means that this course already activated. If you don’t see this course in “show courses list” tab, send your activation link to technical support at firstname.lastname@example.org and we will try to resolve the issue.
Q: How can I install CT-ART 4.0 or other Peshka training courses?
A: Follow this guide.
Q: How do I upgrade CT-ART 4.0 (download version)?
Q: How can I run older versions of software under Windows Vista/7?
A: Note: these recommendations are only applicable for previous generation of software by ChessOK. If you want your software to run smoothly, please follow the instructions below.
Q: I’ve bought a CD version of CT-ART 4.0 (or some other training course). I then upgraded it or installed downloadable version of Peshka and my course suddenly stopped working. What to do?
A: The downloadable version of Peshka has to be installed seperately in order for the CD version to work properly. Reinstall it in a different folder.
Q: I have a problem running Aquarium 2010 under Windows XP. What can I do?
A: Install these libraries from Microsoft.
Q: I can’t login into Peshka or ChessOK downloader. What happened?
A: ChessOK Downloader and Peshka share logins and passwords. So changing your password in one program would change it in another.
Q: I can not install Jeroen’s Rybka Opening Book in Aquarium 2010. Is there any fix?
A: You need to redownload and reinstall the updated version of the book. You can download the updated book from there using your serial key. If you’re unable to download from this link, please mail to email@example.com to get the link.
Q: I have a problem running Chess Assistant or some older (non-Peshka) training software on Windows Vista/7 due to User Account Control. What can I do?
A: You may need to reinstall the software or disable User Account Control. Read more in this guide.
Q: Do you have any software for Macintosh computers? Can Rybka be run on MacOS?
A: Only Dinosaur Chess for Mac. We are not aware of any solutions that make our software runnable under MacOS.
Q: I have a problem with chess fonts in your software, how do I install chess font?
Q: When I tried to download file using ChessOkDownloader I received the message “Unsufficient rights”. What should I do?
A: You didn’t provide your serial number or provided invalid serial number when started ChessOkDownloader.exe.
You need to click Yes to enter your serial number. If you clicked No you need to enter serial number later. Use Options button for this.
Click Register serial number
Provide serial number
Q: I can’t use your Winhelp files in Windows Vista, what to do?
A: Download patch for Vista from this link: http://support.microsoft.com/?scid=kb%3Ben-us%3B917607&x=9&y=11
Q: I can’t link DGT electronic board in Chess Assistant. What should I do?
A: Some Chess Assistant packages do not include DGTEBDLL.dll file. So working with DGT board is not possible. If you have DGT board and unable to link it please put this file into your Chess Assistant folder.
Q: How to add Rybka 3 UCI to Shredder interface?
A: The Shredder interface requires file names without any blanks.
Q: I follow the instructions but I can’t link Rybka*.exe to Fritz, what’s the matter?
Q: Why does Fritz (or another well-known strong program) calculates more variants (plies) in a second than Rybka (and sometimes much more than the latter)?
A: Rybka is a positional program. It calculates fewer variants, but does it more thoroughly. Moreover, the quantity of variants in a second is not the main indicator of program’s force.
Q: How many processors does Rybka multi-processor version support?
A: Rybka multi-processor version supports all processors. However the 8 processors are used with the most effect.
Q: How to adjust the program Rybka to make it play in the strongest way?
A: For default all settings of Rybka are the best. You may increase its strength by adding more RAM for Hash tables, adding Nalimov Tablebases, using more strong Opening Book or using more powerful computer.
Q: I changed computer equipment and reinstalled Windows. Your programs won’t run. How to reactivate CA10 or Rybka?
A: If you bought version on CD/DVD, then you should reinstall it.
Q: While installation I have got the message that entered serial number is not correct.
Q: What is a chess engine?
A: A chess engine recommends moves and provides evaluation scores for chess positions. It should be used together with a chess graphical user interface (GUI), which will provide intuitive graphical interaction with the engine.
What graphical user interface should I use with Rybka?
We recommend Aquarium.
Q: Does Rybka come with an opening book?
A: Yes. Rybka’s commercial opening book is written by Jeroen Noomen. You can buy version for Aquarium there.
Q: I bought Rybka UCI, but it won’t run.
A: Rybka UCI is not standalone program. You need to download it to the hard disk and add to any other chess program (which supports UCI protocol). Instructions here.
Q: How can I make an order with Convekta?
A: There are several options for you to choose:
1. Make an order at our webstore www.chessok.com
Q: Is Encyclopedia of Middlegame Vol. 1, 2 & 3 included in Total Chess Training or just Volume 1?
A: Both Volume II and Volume III are not included in Total Chess Training.
Q: I ordered a book and a program at www.chessok.com. I received the software almost immediately, but still no book. Can you please advise?
A: We have got several our chess stocks located all over the world which is aimed at reducing delivery costs. Thus components of an order can be shipped out separately from different places in separate packages. The program you ordered was sent from one of our stocks while the book was shipped out from the other one two days later. That means there is no need to worry so far.
Q: Can I order by phone? Is there a number I can call to place an order or a catalog?
A: Yes, you can order by phone. Please try the following phone number:
Q: Can I place this order by simply faxing you my credit card details?
A: Yes, you can fax your credit card details to the following number:
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