The ChessBase Mega Database 2025 is the premiere chess database with over 11 million games from 1475 to 2024 in high quality. Packing more than 120,000 annotated games, Mega 2024 contains the world‘s largest collection of high-class analysed games. Train like a pro! Prepare for your opponents with ChessBase and the Mega Database 2025. Let grandmasters explain how to best handle your favorite variations, improve your repertoire and much more.

ChessBase Mega Database 2025 Includes:

• Includes Mega Update Service 2025: update your Mega with your ChessBase 18 (or 17/16) program every week with over 5,000 new games. That’s about 250,000 new games by the end of 2025!

• Comfortable design with even more top-level tournaments than ever before!

• Direct access to All World Championship matches, Candidates tournaments, famous historical tournaments and all Olympiads!

• Player lexicon for download with over 1.4 million player names and more than 44,000 player photos (only with ChessBase 18/17/16)

Minimum system requirements: Desktop PC or Notebook, 4 GB RAM, Windows 11 or 10, ChessBase 18, 17 or 16, Internet access.