7z Repack — Chess Megabase 2025 Updates 1 11 -both Formats-

Introduction

• Mega Database 2025 base + Update 1.11 (incremental)
• Formats: .cbh (ChessBase) + .pgn (plain text)
• Compressed with 7-Zip (hence .7z)
• Possibly split volumes or password-protected (common in certain circles)

The phrase "both formats" typically refers to the transition between legacy and modern file types within the ChessBase ecosystem: Chess Megabase 2025 Updates 1 11 -both Formats- 7z

What software are you currently using? (ChessBase 17, SCID, or a mobile app?) Introduction

In addition to the 7z format, Chess Megabase 2025 Updates 1-11 are also available in the standard format, which offers: Mega Database 2025 base + Update 1

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5. Archive Structure & File List (example)

• Chess_Megabase_2025_Updates_1-11_both-formats.7z

  Last updated: March 2025. Applies to Megabase 2025 Updates 1 through 11 inclusive.