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TrainingOpeningPowerbooks
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Fritz Powerbook 2021
Fritz Powerbook 2021
The Fritz Powerbook 2021 contains 25 millions opening positions, derived from 1.7 million high class tournament games.
€69.90
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
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