Slav and Semi-Slav Powerbase 2026
Slav and Semi-Slav Powerbase 2026 is a database and contains a total of 11 766 games from Mega 2026 or the Correspondence Database 2026, of which 1136 are annotated.
Slav and Semi-Slav Powerbase 2026 is a database and contains a total of 11 766 games from Mega 2026 or the Correspondence Database 2026, of which 1136 are annotated.
€9.90
London System Powerbook 2026
The London System Powerbook 2026 is based on more than 410 000 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.
The London System Powerbook 2026 is based on more than 410 000 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 2026
London System Powerbase 2026 is a database and contains in all 11 285 games from Mega 2026 and the Correspondence Database 2026, of which 282 are annotated.
London System Powerbase 2026 is a database and contains in all 11 285 games from Mega 2026 and the Correspondence Database 2026, of which 282 are annotated.
€9.90
Opening Encyclopaedia 2026 upgrade from 2025
YOUR EASY ACCESS TO OPENING THEORY: Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product.
YOUR EASY ACCESS TO OPENING THEORY: Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product.
€79.90
Opening Encyclopaedia 2026
YOUR EASY ACCESS TO OPENING THEORY: Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product.
YOUR EASY ACCESS TO OPENING THEORY: Whether you want to build up a reliable and powerful opening repertoire or find new opening ideas for your existing repertoire, the Opening Encyclopaedia covers the entire opening theory on one product.
€169.90
ChessBase '26 - Upgrade from ChessBase 18
EXPAND YOUR CHESS HORIZONS
EXPAND YOUR CHESS HORIZONS
€129.90
Online-Update Reference Database 2026
Activation key for automatic update of your reference database in Chessbase 15, 16, 17, 18 and 26.
Activation key for automatic update of your reference database in Chessbase 15, 16, 17, 18 and 26.
€89.90
Corr Database 2026 Upgrade from 2024
2.5 million games
2.5 million games
€99.90
Fritz Powerbook 2026 Upgrade from 2025
Even more power forFritz. Even more Chess knowledge for you.
Even more power forFritz. Even more Chess knowledge for you.
€59.90
Upgrade Mega Database 2026 from Big 2026
The premiere chess database with over 11.7 million games
The premiere chess database with over 11.7 million games
€130.00
Mega Database 2026 Upgrade from Big 2025
The premiere chess database with over 11.7 million games
The premiere chess database with over 11.7 million games
€149.90
Upgrade from older Mega
The premiere chess database with over 11.7 million games
The premiere chess database with over 11.7 million games
€149.90