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Return requests must be submitted within 14 days of delivery and approved by our RMA department before the item is shipped back. Non-defective returns may be subject to a minimum 25% restocking fee and return shipping charges. Unauthorized returns are not eligible for credit or refund. Read the full return policy.
Chess Informant Quality Base 2020 is a historical annotated chess database built from every game ever published in Informant, covering material from 1965 through Informant 142.
It contains a grand total of 119,533 games: 73,854 full games and 45,679 game fragments. The database is designed for easy access to the entire database, each individual Informant, games by World Champions and other prominent chess players, game annotators, all openings according to the ECO code system, the most popular opening lines and variations, and Golden games voted by the Grandmaster jury.
For chess software browsing, see Accessories > Chess Software. You may also want to compare it with Chess Informant Quality Base 2024.