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Editor: Dr Tim Harding
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UltraCorr 2023 - last week of our offer

The 2023 edition of our UltraCorr correspondence chess database, with close to two and a half million games, was released in mid-January.

The database will be withdrawn from sale next Tuesday, 18 July, before we go on holiday. You have only a few days left to buy the world's biggest and most reliable collection of correspondence chess games. The 2024 edition, which may be the last, is already in preparation and should be released mid-January.

The database is edited by chess historian and CC master Tim Harding and its price (60 Euro) is much lower than the rival product from ChessBase.

Please note that John Elburg has now posted his review of our database.

You can download the database from this website (it is not available elsewhere) and pay securely via PayPal. We will not see any of your financial or personal information except your email address needed for sending you the password.

Since correspondence players with ICCF and some other servers allow use of computer engines, top-level CC games of recent years often feature important opening innovations yet to be seen in OTB master play, and near-perfect middle-game tactics. UltraCorr2023 is the most complete collection of top CC play now available, and if you play CC yourself it is the best place to search for past games by your next opponents.

UltraCorr2023 is a ChessBase-format database which has been created using ChessBase16 to guarantee backwards compatibility for people using earlier versions (back as far as CB10 at least and probably to CB8) and other programs such as Fritz which use the same file format.

Moreover we checked that the database functions in the recently released ChessBase 17 program; some early purchasers have confirmed this to us.

Our UltraCorr series is the only CC database edited by an acknowledged expert in chess history and correspondence chess.

ICCF and the Lechenicher Schachserver were late in releasing their games from the end of 2022 but they came just in time for us to complete our work on schedule.

The UltraCorr2023 database has over 2,452,000 games, about 100,000 more than last time, which are mostly games completed in 2022 but also include the fruits of more historical research. As usual, a considerable amount of work has been done to improve the player and event metadata and make it consistent for players who are active on more than one of the main CC platforms.

ChessBase has released its latest correspondence database at a shockingly high price for a smaller number of games than our collection. For three years we kept the price of UltraCorr at just 55 Euros but inflation means we must increase it this year to 60 Euro.

Our time-limited discount offer to last year's customers has now expired. The vast majority availed of the offer.

Further information about UltraCorr2023 is available on this page.