QUALITY BASE 2025 - Download

With a grand total of 125.553 games (77.887 full games and 47.666 game fragments), in numerical terms it is the biggest collection of annotated games on the market.

But this is not a numbers game. In contrast to the commercial databases which offer millions of freely accessible games with no analysis, Quality Base is a triumph of quality over quantity.

Quality Base is a complete collection of all the games ever published in Informant, from its very first issue, presenting games from 1965 right up to the very last issue – Informant 162. It is designed to offer you a tremendously easy access to:

◆ Entire Database

◆ Each individual Informant

◆ Games played by World Champions and other prominent chess players

◆ Game annotators

◆ All the Openings according to the ECO code system

◆ Most popular opening lines and variations

◆ Golden games, the best of the very best as voted by our Grandmaster jury

Quality Base by Chess Informant is a unique historical collection of annotated chess games which will serve as a premium database for daily use by competitive players and chess lovers worldwide.

• Marca Chess Informant
• Code QB25