ChessBaseBases de datos

Powerbook based on more than 508 000 games in which White already sidesteps the main variations of the Sicilian on move 2.

2nd Move Anti-Sicilian Powerbase 2023 is a database and contains a total of 10131 games from Mega 2023 or the Correspondence Database 2022, of which 847 are annotated.

Most of the material on which the Sicilian Accelerated Dragon Powerbook 2022 is based comes from the engine room of playchess.com: 81,000 games with the ECO codes B34-B39. In addition, there are 10,000 games from the Mega database and from correspondence

Sicilian Accelerated Dragon Powerbase 2022 is a database and contains 4156 high-class games from the Mega 2022 or Correspondence Database 2020, 410 of which are annotated.

Sicilian Dragon Powerbase 2022 is a database and contains 5490 high-class games from the Mega 2023 or Correspondence Database 2020, of which 736 are annotated.

The major part of the material on which the Sicilian Dragon Powerbook 2022 is based comes from the engine room of playchess.com: 161 000 games. There have been added another 14000 games from Mega and from correspondence chess.

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 is a database and contains a total of 6826 games from the Mega 2022 or the Correspondence Database 2022, of which 738 are annotated.

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.

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.

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.

The Sicilian Paulsen Powerbase 2022 is a database and contains a total of 7435 games, 724 of which are annotated.

How to play the Nimzo-Indian? Does White have promising variations available to him or can Black construct a water-tight repertoire? The answers are provided by the Powerbook based on more than 356 000 games, most of which were played by engines.

Nimzo-Indian Powerbase 2022 is a database and contains a total of 9222 games, 492 of which are annotated.

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.