<p>La combinaison parfaite: cette offre comprend ChessBase 17 en tant que programme unique et la version complète du nouveau programme d'échecs Fritz19.</p>
The Sicilian Najdorf Powerbase 2024 is a database and contains 11474 games from the Mega 2024 and the Correspondence Database 2024, 1075 of which are annotated.
Scandinavian Defence Powerbase 2023 is a database and contains a total of 6133 games from Mega 2023 and the Correspondence Database 2022, of which 461 are annotated.
The major part of the material on which the Scandinavian Defence Powerbook 2023 is based comes from the engine room of playchess.com: 83 000 games. To this have been added 15 000 games from Mega and from correspondence chess.
English Opening Powerbase 2023 is a database containing in all 10 570 games from Mega 2023 or Correspondence Database 2022, of which 699 are annotated.