Be fully prepared with the new Opening Encyclopedia 2025! Whether you want to build a reliable and powerful opening repertoire or discover new ideas to enrich your existing one, this encyclopedia covers the entire body of opening theory in one product, making it the ideal starting point for your training. Many new articles enrich current theory with new or revisited ideas.
The encyclopedia allows you to quickly learn openings and gain a head start on your next opponent. Each article contains explanations and annotated games illustrating typical plans to deepen your understanding.
Free video clips:
GM Dorian Rogozenco: Opening Trends – Italian Side
GM Rustam Kasimdzhanov: 1.e4 c5 2.a4
The Opening Encyclopedia provides quick access to all openings. These are categorized by name and ECO code in an intuitive menu, making it easy to find your favorite openings. The Opening Tutorials offer a quick but comprehensive overview of all established openings, allowing every chess player to find the one that best suits their preferences.
The 2025 edition includes 100 high-quality opening videos from our renowned 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, presenting new opening ideas in a clear and vivid way.
The number of articles in the Encyclopedia of Openings continues to grow – it now contains 1,524 articles, and the included database includes all the parts analyzed in these articles.
Grandmaster Dorian Rogozenco presents the trends in openings at the highest level. You'll find a total of nine videos devoted to the following openings: French, Sicilian, Najdorf, Ruy Lopez, Italian, Petroff, English, and Queen's Gambit Declined, covering the period from 2024 to spring 2025. A special video, "Early Deviations," highlights the current trend of moving away from established major variations, an approach increasingly favored by grandmasters.
All of this makes the new 2025 Opening Encyclopedia an essential reference work for all tournament players.
✅ 1,524 theoretical databases – analyses with annotated games and ideas from great masters
✅ More than 40,000 illustrative games
✅ 7,850 opening studies, including 300 new or updated
✅ 100 videos on openings – total duration: more than 35 hours
✅ Masterclasses: Dorian Rogozenco – The latest trends (9 videos)
Please note: The link will be sent by email after payment.
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