Chess Assistant 16 PRO with Houdini 4 PRO (for PC, download)


Price: $145.95

Chess Assistant Pro with Houdini Pro has been for years the professional's choice for chess software. Chess Assistant 16 with Houdini 4 PRO is the best tool for managing chess games and databases. It's perfect for playing chess through the Internet, analyzing games, and playing chess against the computer.

Chess Assistant 16 Pro includes grandmaster level playing programs, Chess Opening Encyclopedia mode, a powerful search system, the unique Tree mode, databases of about 6.45 million games in total (Nov. 1, 2015) that can be automaticaly updated 3000 new games every week for free, access to 7-piece Lomonosov Tablebases at tb7.chessok.com until 31.12.2016 and more!

Houdini 4 PRO: One of the world’s strongest chess program, which supports up to 32 cores and 32 GB of hash. You can connect Houdini 4 PRO UCI engine to ChessOK Aquarium, Fritz and ChessBase.

Houdini 4 PRO can perform any type of analysis: multi-pass game analysis, Interactive analysis, Background analysis.
You can easily connect Chess Assistant 16 to any other UCI playing programs like Stockfish or Komodo. The programs can perform various analysis tasks for any needs:

Automatic opening annotation searches for novelty, adds expert annotations from the Opening Encyclopedia, CAP evaluations, inserts reference games etc.
Search for blunders reveals bad moves.
Multi-pass game analysis is an advanced analysis method to fine-tune each step of the search. You can even choose different engines for each phase of the game.
Analysis markers allow you to mark selected positions for automatic analysis at a later time.
Interactive analysis allows you guide the engine in its analysis and pick lines, remembering the results.

Bonus: ChessOK Aquarium 2015 interface with advanced analysis functions

Analyze and annotate your games with Aquarium's advanced analysis methods:
Interactive Deep Analysis is the most advanced chess analysis method available today. Its completely new approach makes it an essential weapon in the arsenal of every serious player and analyst!

  • Simultaneous analysis by multiple Engine instances. Use 2, 4, 10, 20 or even 50 chess engines at the same time for faster results!
  • Use the power of multiple computers for analysis at the same time and collect all the results automatically on your own computer!
  • Use the computers on your home network or connect to computers over the internet to increase the analysis power!

Infinite Analysis is more flexible than ever with analysis presets. Use many engines at the same time, all analyzing the same position or different games.
Find Blunders and Game Analysis for analyzing whole games.
Play against the computer. Choose from three different strength handicap methods, material handicap or time handicap.
Publish your games, analysis or even whole chess books! Publish as Aquarium iBook, on the web/blog or in print.
Chess Opening Encyclopedia includes rich theoretical material on all openings, more than 8000 annotations by GM Kalinin and 40 million evaluations by strongest engines key positions. Customizable key system.

When it comes to searching, you will not find a more powerful system. Chess Assistant 16 offers search by position, header, maneuvers, material, comments, novelty search, advanced search by material in 12 regions of the board and more!

Language versions: English, German, French, Spanish, Italian.
System Requirements: 256 RAM, 4 Gb, Windows XP/Vista/7/8/10.

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Chess Assistant 16 PRO is a unique tool for managing chess games and databases, playing chess online, analyzing games, or playing chess against the computer.

Chess Assistant has a long history of innovative and advanced analysis functions and now, with a built-in CQL search system, it has also taken the lead in advanced search functionality.

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The Professional Package includes the most respected chess engine used by most Grandmasters in the world – Houdini 4 PRO UCI, Chess Opening Encyclopedia, a powerful search system, a unique Tree mode, databases of 6.45 million games in total (as of November 1, 2015), 1-year Premium Game Service (3000 new games each week by Internet), twelve months of free access (1-year membership) at ChessOK Playing Zone and ChessOK Aquarium 2015 interface with advanced analysis functions (that you can connect to the Houdini 4 Pro engine).

Houdini 4 PRO is one of the World’s strongest chess engines, capable of supporting up to 32 cores and 32 GB of hash. You can connect Houdini 4 PRO UCI engine to ChessOK Aquarium, Fritz and ChessBase.

Houdini 4 PRO – The World Rating Lists Leader

Chess Assistant 16 Pro comes with the Houdini 4 PRO chess engine. Houdini 4 has been on the top of most independent computer chess rating lists. No serious chess player can be without Houdini 4 Pro!

Opening Studies – Stay Organized with Opening Tables

Chess Opening Encyclopedia contains rich theoretical material on all openings. It contains over 8.000 annotations from GM Kalinin and 40 million evaluations by the strongest engines. The detailed key system for all openings can be edited to suit your needs.

Opening Tables is a revolutionary way of creating, maintaining and studying your opening repertoire. Base your studies on the Opening Encyclopedia, customize it with your own moves and evaluations, enhance your favorite variations or create your own private opening repertoire. Working on your opening repertoire finally becomes the creative and enjoyable task it should be!

Opening Test Mode allows you to test your knowledge and skills in openings.

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Analysis – Automatic, Manual and Background Analysis

Infinite analysis offers a wide range of options to customize the analysis to your needs:

  • Include/exclude selected moves from analysis
  • Multivariation and adjourned multivariation mode
  • Analyse simultaneously with several different chess engines
  • Check moves in game or annotations
  • Search for additional moves
  • Analyse position from both sides at the same time
  • One- or two-panel display of analysis

Automatic opening annotation searches for novelty, adds expert annotations from the Opening Encyclopedia, CAP evaluations, inserts reference games etc.

Search for blunders automatically analyzes your games and annotates mistakes.

Multi-pass game analysis is an advanced game analysis method with flexible options to fine-tune each step of the search. You can even choose different engines for each phase of the game.

Analysis markers allow you to mark selected positions for automatic analysis at a later time.

Interactive analysis lets you to work with the engine, allowing it to analyze a position, and then guide it in its analysis without forgetting its conclusions.

Background Analysis is the most powerful position analysis tool in the extensive Chess Assistant arsenal. The analysis takes place in a background process, allowing you to continue working in Chess Assistant during the analysis. If you run into an interesting position, simply send it to background analysis while you continue your own analysis.

Background analysis can be split between two or more processors on the same computer or distributed automatically to several networked computers.

Tablebase analysis gives you a precise evaluation of endgames with 3-6 pieces (tablebases required).

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ChessOK Aquarium 2015 interface with advanced analysis functions

Analyze and annotate your games with Aquarium's advanced analysis methods:

Interactive Deep Analysis is the most advanced chess analysis method available today. It's completely new approach makes it an essential weapon in the arsenal of every serious player and analyst!

  • Simultaneous analysis by multiple Engine instances. Use 2, 4, 10, 20 or even 50 chess engines at the same time for faster results!
  • Use the power of multiple computers for analysis at the same time and collect all the results automatically on your own computer!
  • Use the computers on your home network or connect to computers over the internet to increase the analysis power!

Infinite Analysis is more flexible than ever with analysis presets. Use many engines at the same time, all analyzing the same position or different games.

Find Blunders and Game Analysis for analyzing whole games.

Play against the computer. Choose from three different strength handicap methods, material handicap or time handicap.

Publish your games, analysis or even whole chess books! Publish as Aquarium iBook, on the web/blog or in print.

Database Search – Standard Searches & CQL

Standard searches. When it comes to searching, you will not find a more powerful system than Chess Assistant. It offers all the types of standard searches you would expect for a chess database:

  • Search by position, header, maneuvers, material, comments, etc.
  • Novelty search
  • Advanced search with simultaneous specification of material in 12 regions on the board

You can search through multiple databases and searches can be saved, enabling you to run them again at a later time. The program also keeps track of your most recent searches so you can quickly modify them and search again.

CQL (Chess Query Language). CQL is simply put the most powerful search method currently available for chess databases. If you have ever run into the limitations of standard search methods, CQL is for you. Mastering Chess Assistant’s CQL allows you to perform searches you could only dream of with any other chess database system.

Composite search allows you to store and organize your CQL queries into a hierachical structure, give them descriptive names, and set up a diagram of a typical position. This allows you to build a library of useful search criteria.

Databases and Premium Game Service

Chess Assistant 16 includes two databases of 6.45 million games in total:

- HugeBase database (as of November 1, 2015) - 5,900,000 games
- Correspondence database - 595,000 games.

Premium Game Service: subscription for full database updates with games played from November 1, 2015 till December 31, 2016, in Chess Assistant and PGN formats (supported by Fritz, Chess Base and Aquarium).

  • Subscribe and get new games weekly by Internet through Chess Assistant 16
  • Get full version of database without duplicate games.

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Classifiers – Organize Your Chess Data

A database of chess games is a rather unwieldy collection of data. Of course you can sort the games, search etc. but all of this is temporary.

The next time you open the database you will see the same list of games without any useful structure. If you want to repeat a search, you have to enter all the search criteria from scratch and then search again.

Classifiers allow you to organize your chess data into nested folders in a similar way as you organize your hard disk into folders. Each folder in a classifier can contain:

  • Icon. The icon serves as a reminder for the data contained in the folder.
  • Text. A text description of the folder.
  • Position. This could for instance be a critical position from an opening.
  • Any search criteria, which allows games to be automatically classified with just a mouse click. This is of course a very powerful feature. An example is a classifier for endgames (pawn endgames, rook endgames etc.). Whenever you update your database, all you need to do is refresh the search in order to classify the endgames that occur in the new games.
  • A list of games. Games can be included in the list either manually or automatically based on a search criteria.
  • Chess tree. You can store chess trees in a classifier folder. This could for instance be detailed analysis results for an opening variation, while only the most important variations are shown in a game annotation.
  • Another classifier, allowing practically unlimited flexibility in the structure of classifiers.
  • Multimedia information: images, audio and video.

Chess Trees – State of the Art

Chess Assistant offers state of the art chess trees:

  • Transpositions are automatically detected
  • New trees can be created from any collection of games
  • Detailed information is displayed about positions: Human evaluations, computer evaluations, and various statistics
  • Games can be annotated automatically based on information in a tree.

Game Annotations and Global Annotations

Chess Assistant supports all types of game annotations, from simple text to multimedia content:

  • Add and manage variations (promote etc.).
  • Powerful annotation editor makes it easy to add Chess Informant symbols, engine evaluations and verbal commentary.
  • Assign visual styles to moves so they stand out in the notation. You can search for games based on styles.
  • Use any of 30 standard classes to classify important games or instructive positions. The same game can belong to multiple classes (e.g. Tactics and Kingside attack). Search for games belonging to specific classes.
  • Organize games with a flexible, user defined, Windows Explorer style Classifier.
  • Display board graphics and insert diagrams at selected point in the notation.
  • Add multimedia annotations (images, video and audio) to moves.
  • Reference games can be inserted from a database, and endgame information from tablebases. All of this can be done manually or through any of the automatic game analysis methods.

As useful as game annotations are, they have one drawback: They are tied to a particular game. When you run into the same position in a different game, how would you like to get a reminder saying: Hey, you have annotated this position before!” Well, in Chess Assistant you can annotate trees and tree annotations are “global”, meaning that they are displayed whenever the same position arises – in all databases.

Playing Features

If you want to play a game of chess against the computer, Chess Assistant offers a variety of engines and options:

  • Wide selection of time controls and other playing options
  • Handicap engine included (Dragon)
  • DGT board support with voice announcement of moves
  • Powerful opening book editor allows you to adapt the opening choice of the chess engine to your needs.

Online Play and Broadcasts: ChessOK Playing Zone and ICC

For online play, Chess Assistant offers you the choice of two popular chess servers: ChessOK Playing Zone (www.chessok.com) and ICC.

ChessOK Playing Zone. The Playing Zone is an advanced chess server that supports anything from bullet and blitz to correspondence play.

The ChessOK Playing Zone is absolutely free.

In addition to playing online you can watch games from the most important chess events on the Playing Zone, with live Houdini 2 analysis.

Internet Chess Club (ICC). Chess Assistant comes with a graphical user interface to the Internet Chess Club (ICC), which supports variations, engine analysis, and online annotation.

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Database Compatibility: Chessbase and Chess Assistant

Chess Assistant supports all the most popular chess database formats, which means that your current database can most likely be used in Chess Assistant:

  • Chess Assistant’s own efficient database format (CDP)
  • Chessbase (CBH, readonly)
  • PGN (Portable Game Notation)
  • EPD (Extended Position Description)

The Aquarium interface also supports all these database formats, which allows you to share databases between Chess Assistant and Aquarium.

Optionally you can open and save databases in Zip-format in order to save space and conveniently send and receive databases by email.

Strong Chess Engine Support

Chess Assistant is compatible with most modern commercial and free chess engines. It supports a variety of protocols for communicating with chess engines, such as UCI, UCI2, WinBoard and MCS. In layman terms, this means that Chess Assistant gives you an unparalleled choice of chess engines for analysis and play.

  • Support for all popular engines, including Houdini 4, currently the strongest chess engine
  • Winboard support – Ruffian and Crafty are included, built-in support for over 50 others, available via free download
  • Hundreds of chess engines to choose from, including specialized mate solvers. Most of them are available via free download
  • Automatic test set processing with comprehensive reporting features.

If you have any questions, please contact Diego or GM Alexandra Kosteniuk

Price: $145.95

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