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Fritz 21
YOUR PERSONAL CHESS COACH - Whether you’re taking your first steps into the world of club chess, or already playing at a tournament level: with FRITZ, you can train more efficiently, intelligently and with a more personalised approach than ever before.
€69.90
Petroff Defence Powerbook
The major part of the material on which the Petroff Defence Powerbook 2026 is based comes from the engine room of playchess.com: 357 000 games. This imposing number is supplemented by another 17 000 from Mega and from correspondence chess.
€9.90
Petroff Defence Powerbase 2026
Petroff Defence Powerbase 2026 is a database which contains 6475 high class games from Mega 2026 and the Correspondence Database 2026, of which 682 annotated.
€9.90