CORR Database 20262.5 million games SYSTEM REQUIREMENTS: Desktop PC or Notebook, 4 GB RAM, Windows 11 or 10, ChessBase '26, 18, 17 or 16, Internet access. The new Corr Database 2026 is the large ChessBase collection of correspondence games from the period from 1804 to 2025. With more than 80,000 tournaments and over 2.5 million correspondence games, the Corr 2026 is a must for all Correspondence chess fans. But the Corr Database is very popular even among many grandmasters and chess coaches, as correspondence games often herald the development of opening theory! Get insights from the pioneers of Chess-Opening Novelties and update your repertoire with games from the new Correspondence Database. correspondence players often have a deep chess understanding and enrich their games with interesting new ideas. Thus, the games are not decided by tactical blunders but by strategic understanding, long-term preparation, and passionate, patient scientific work. The Correspondence Database 2026 gives you a unique opportunity to enrich your opening repertoire with ideas from a wealth of unknown top-class games. Available as a download or as a booklet with an imprinted activation key System RequirementsDesktop PC or Notebook, 2 GB RAM, Windows 11, 10 or 8.1, ChessBase 17, 16 or 15, Internet access. Update prices only valid if existing program key is supplied or 2024 DVD returned (just email us the code with your order number).