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Mega Database 2022
The ChessBase Mega Database 2022 is the premiere chess database with over 9.2 million games from 1560 to 2021 in high quality.
Big Database 2022
The Big Database 2022 contains more than 9.2 million games from 1560 to 2021 in the highest ChessBase quality standard with ChessBase opening classification with more than 100,000 key positions, direct access to players, tournaments, middlegame themes, en
Unusual Lines Powerbook 2022
The Powerbook Unusual Lines 2022 is based on more than 700,000 games of the ECO codes A00-A09, i.e. it deals with all opening beginnings other than 1.e4, 1.d4 as well as 1.c4.
Unusual Lines Powerbase 2022
Unusual Lines Powerbase 2022 is a database and contains a total of 6826 games from the Mega 2022 or the Correspondence Database 2022, of which 738 are annotated.
Najdorf Powerbook 2022
The Najdorf Powerbook 2022 has a tree structure which is based on 3.86 million computer chess games played in the engine room of playchess.com.
Najdorf Powerbase 2022
The Sicilian Najdorf Powerbase 2022 is a database and contains 11300 games from the Mega 2022 and the Correspondence Database 2022, 1044 of which are annotated.
French Defence Powerbook 2022
The main part of the material on which the French Powerbook 2022 is based comes from the playchess.com engine room: 655,000 games. An impressive number to which 87,000 games from correspondence chess and the Mega were added.
French Defence Powerbase 2022
The French Defence Powerbase 2022 is a database and contains 10275 games from the Mega 2022 and the Correspondence Database 2022, 659 of which are annotated.
Sicilian Paulsen Powerbook 2022
Most of the material on which the Sicilian Paulsen Powerbook 2022 is based comes from the engine room of Schach.de: 426,000 games. In addition to this impressive amount, there are 43,000 games from the Mega and from correspondence chess.