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Queen's Indian Defence Powerbook 2019
The Queen's Indian Powerbook 2019 has a tree structure which is based on a mixture of over 350 000 complete chess games played in the Engine room of playchess.com and the best games played by humans (50 000).
Queen's Indian Defence Powerbase 2019
Queen's Indian Powerbase 2019 is a database and contains 9048 high level games from Mega 2019 and the Correspondence Database 2018, of which 593 are annotated.
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.
Nimzo-Indian Powerbook 2022
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.
Queen's Indian Defence - The Modern Approach
On his new DVD, Sergei Tiviakov presents a complete repertoire for Black with the Queen’s Indian Defence. The grandmaster explains everything one needs to know after 1.d4 Nf6 2.c4 e6 3.Nf3 b6, more profoundly, extensively and thoroughly than ever before -