ChessBase

The new Corr Database 2020 is a large ChessBase collection of correspondence games from the period from 1804 to 2019. With more than 80,000 tournaments and over 1.6 million correspondence games.

Las tablas Syzygy de todos los finales de 5 piezas y los 143 más importantes de 6 piezas, en un lápiz USB 3.0 de 128 GB, listo para usar.

Top class material was used for the King’s Indian Powerbook 2021: over 100 000games from the Mega and from correspondence chess, and in addition more than 264 000 games from the engine room of playchess.com, in all 372 000 games.

King’s Indian Powerbase 2021 is a database and contains a total of 11092 games from Mega 2021 or the Correspondence Database 2020, of which 839 are annotated.

The Ruy Lopez Powerbook 2021 has a tree structure based on 2.23 million computer chess games played in the engine room of playchess.com.

Ruy Lopez Powerbase 2021 is a database and contains a total of 10370 games from Mega 2021 and the Correspondence Database 2020, of which 1172 are annotated.

The main part of the material on which the French Powerbook 2021 is based comes from the playchess.com engine room: 637,000 games. An impressive number to which 80,000 games from correspondence chess and the Mega were added.

The French Defence Powerbase 2021 is a database and contains 9839 games from the Mega 2021 and the Correspondence Database 2020, 644 of which are annotated.

The major part of the material on which the Sicilian Dragon Powerbook 2020 is based comes from the engine room of playchess.com: 160 000 games. There have been added another 12500 games from Mega and from correspondence chess.

Sicilian Dragon Powerbase 2020 is a database and contains 4997 top class games from Mega 2021 and the Correspondence Database 2020, of which 730 are annotated.

Scandinavian Defence Powerbase 2020 is a database and contains a total of 5492 games from Mega 2020 and the Correspondence Database 2020, of which 437 are annotated.

The major part of the material on which the Scandinavian Defence Powerbook 2020 is based comes from the engine room of playchess.com: 79 000 games. To this have been added 11 000 games from Mega and from correspondence chess.