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London System Powerbook 2021
London System Powerbook 2021
The London System Powerbook 2021 is based on more than 295 000 games or game fragments from different opening moves and ECO codes; what they all have in common is that White plays d4 and Bf4 but does not play c4.
9,90 €
London System Powerbase 2021
London System Powerbase 2021
London System PowerBase 2021 is a database and contains in all 7482 games from Mega 2021 and the Correspondence Database 2020, of which 206 are annotated.
9,90 €
Fritz Powerbook 2021
Fritz Powerbook 2021
Avec plus de 25 mio de positions comprenant évaluation statistique de la fréquence et du succès, etc., le Powerbook est le complément le plus important de votre programme Fritz! Idéal pour apprendre et étudier ses propres variantes, et les exercer.
69,90 €
Caro-Kann Powerbook 2021
Caro-Kann Powerbook 2021
The major part of the material on which the Caro-Kann Powerbook 2021 is based is taken from the engine room of playchess.com: 736 000 games. To that imposing corpus we have added another 58 000 games from Mega and from correspondence chess.
9,90 €
English Opening Powerbook 2021
English Opening Powerbook 2021
Almost 1 million games from the engine room of playchess.com form the basis of the English Powerbook 2021, with in addition 105 000 games from Mega and from correspondence chess.
9,90 €
English Opening Powerbase 2021
English Opening Powerbase 2021
English Opening Powerbase 2021 is a database containing in all 10 337 games from Mega 2021 or Correspondence Database 2020, of which 645 are annotated.
9,90 €
King's Indian Powerbook 2021
King's Indian Powerbook 2021
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.
9,90 €
Ruy Lopez Powerbook 2021
Ruy Lopez Powerbook 2021
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.
9,90 €
French Defence Powerbook 2021
French Defence Powerbook 2021
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.
9,90 €
Sicilian Dragon Powerbook 2020
Sicilian Dragon Powerbook 2020
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.
9,90 €
Scandinavian Defence Powerbook 2020
Scandinavian Defence Powerbook 2020
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.
9,90 €
Petroff Defence Powerbook 2020
Petroff Defence Powerbook 2020
The major part of the material on which the Petroff Defence Powerbook 2020 is based comes from the engine room of playchess.com: 260 000 games. This imposing number is supplemented by another 11 000 from Mega and from correspondence chess.
9,90 €
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