The new Opening Encyclopaedia 2025 - Your easy access to opening theory

by ChessBase
3/18/2025 – Prepare for your next tournament with the new Opening Encyclopaedia 2025! Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory in one product and is the ideal start for your opening training. Many new articles enrich the current theory with new or revisited ideas. The Encyclopaedia can help you learn openings quickly and give you a head start on your next opponent. Each article contains explanations and annotated games illustrating typical plans to deepen your understanding.

Opening Encyclopaedia 2025 Opening Encyclopaedia 2025

YOUR EASY ACCESS TO OPENING THEORY: Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product.

More...

The new Opening Encyclopaedia 2025 - Your easy access to opening theory

The Opening Encyclopaedia offers quick access to all openings. The openings are sorted by name and ECO code via the menu for quick and easy access to your favourite openings.

The new starting page

Opening Tutorials give a quick yet comprehensive overview of all established openings to help every chess player find the most suitable opening according to their personal preferences.

Tons of established openings on one page

100 high-class opening videos are included in the Encyclopaedia 2025, from our popular ChessBase Authors. Daniel King, Dorian Rogozenco, Rustam Kasimdzhanov, Mihail Marin, Ivan Sokolov, Adrian Mikhalchishin, Leon Mendonca, Jan Werle, Luis Engel, Rainer Knaak, Robert Ris, Felix Blohberger and many other grandmasters present new opening ideas clearly and vividly.

100 opening videos by our top ChessBase authors

The number of articles in the Opening Encyclopaedia is growing – it now contains 1,524 and the included database contains all games from all opening articles.

Tons of new articles by chess masters

One more highlight: Grandmaster Dorian Rogozenco presents opening trends in world-class chess. You can look forward to a total of 9 videos on the French, Sicilian, Najdorf, Ruy Lopez, Italian, Petroff, English, Queen’s Gambit Declined, from the entire year 2024 to spring 2025.

The new comprehensive opening trend guide by GM Dorian Rogozenco

A separate video “early deviations” shows the trend of leaving the territory of the established main variations. An approach that is becoming increasingly popular in grandmaster chess. All this makes the new Opening Encyclopaedia 2025 an indispensable reference work for every tournament player.

Plenty of annotated games by super grandmasters and chess legends

  • 1,524 special theoretical databases – analyses with annotated games & ideas by Grandmasters
  • Over 40,000 illustrative games
  • 7,850 opening surveys, 300 new or updated
  • 100 opening videos. Total duration: over 35 hours
  • Grandmaster Lectures : Dorian Rogozenco: The latest trends (9 Videos)

GM Dorian Rogozenco: “The Opening Encyclopedia  is the best product around in the field of opening theory”

The Opening Encyclopedia offers an ample and unique overview about the opening theory. In multiple videos and theoretical articles highly qualified trainers analyze and explain different opening variations and present them in a compact and easy-to-learn formats.

Literary everyone, from beginners to Grandmasters, can find many ideas to expand their opening repertoire. Whether you want to surprise your opponents with unexpected moves right from the beginning of the game, learn a complex theoretical variation, or understand the newest developments of the modern chess theory – the Opening Encyclopedia provides you with everything you need for that.

It is my deepest conviction that the Opening Encyclopedia  is the best product around in the field of opening theory, improving your knowledge about the openings and helping you to become considerably stronger in practice.


Opening Encyclopaedia 2025

YOUR EASY ACCESS TO OPENING THEORY: Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product.

Update Opening Encyclopaedia 2025 – from version 2024: 79,90 €


Links


Reports about chess: tournaments, championships, portraits, interviews, World Championships, product launches and more.
Discussion and Feedback Submit your feedback to the editors


We use cookies and comparable technologies to provide certain functions, to improve the user experience and to offer interest-oriented content. Depending on their intended use, analysis cookies and marketing cookies may be used in addition to technically required cookies. Here you can make detailed settings or revoke your consent (if necessary partially) with effect for the future. Further information can be found in our data protection declaration.