If you are still using version 15, upgrading to ChessBase 16 (or the newer 26) provides several quality-of-life and analytical improvements:
Includes over 1.4 million player names and tens of thousands of photos, making opponent preparation more immersive. ChessBase 16 vs. ChessBase 15: Key Improvements
The search engine was optimized to use half the hard disk space while remaining faster than previous versions. Training with ChessBase
To improve your game, don't just click through moves. Use these built-in training modes:
The Mega Update Service delivers roughly 5,000 new games every week, ensuring your preparation accounts for the latest top-level novelties.
Load a game and use the "Replay Training" tab. The program hides the notation and asks you to guess the next move, awarding points for correct answers.
Automatically identifies new opening trends and "fashionable" lines, a feature often used by players like Fabiano Caruana to find fresh ideas.