The new Opening Encyclopedia 2025 - YOUR EASY ACCESS TO OPENING THEORY - ChessBase

Be well prepared with the new Opening Encyclopedia 2025! Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopedia covers the entire opening theory on one product and is the ideal start for your opening training. Many new articles enrich the current theory with new or revisited ideas. The Encyclopedia 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.

The Opening Encyclopedia 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 favorite openings. 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. 100 high-class opening videos are included in the Encyclopedia 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. The number of articles in the Opening Encyclopedia is growing – it now contains 1,524 and the included database contains all games from all opening articles.

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. 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 Encyclopedia 2025 an indispensable reference work for every tournament player.

• 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)

Delivery: Download or booklet with imprinted activation key for installation (download and installation)!