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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
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
Dutch Defence Powerbook 2020
Dutch Defence Powerbook 2020
The Dutch Defence Powerbook 2020 consists for the greater part of engine games (70 000), to which have been added high value material from Mega and the Correspondence Chess Database (30 000).
€9.90
King's Gambit Powerbook 2020
King's Gambit Powerbook 2020
The major part of the material on which the King's Gambit Powerbook 2020 is based is sourced from the engine room of playchess.com: 30 000 games. Another 3500 games from Mega and from correspondence chess have been added to this corpus.
€9.90
Ben-Oni Powerbook 2020
Ben-Oni Powerbook 2020
The Ben-Oni Powerbook 2020 consists for the greater part of engine games (44 600), to which has been added high-value material from Mega and the Correspondence Database (23 600).
€9.90
Volga Benko Gambit Powerbook 2020
Volga Benko Gambit Powerbook 2020
The Volga Benko Gambit Powerbook 2020 is based on over 21 000 games from the engine room of playchess.com and also 12 000 games from Mega 2020 and the Correspondence Database 2020
€9.90
Najdorf Powerbook 2020
Najdorf Powerbook 2020
The Najdorf Powerbook 2020 has a tree structure which is based on 3.69 million computer chess games played in the engine room of playchess.com.
€9.90
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