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 €
Mega Database 2026 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 €
Mega Database 2026 Upgrade from Mega 2025
The premiere chess database with over 11.7 million games
The premiere chess database with over 11.7 million games
99,90 €
Trompowsky Powerbook 2025
Trompowsky Powerbook 2025 is based on 53,000 computer games from the engine room of playchess.com as well as 49,000 games from Mega and correspondence chess.
Trompowsky Powerbook 2025 is based on 53,000 computer games from the engine room of playchess.com as well as 49,000 games from Mega and correspondence chess.
9,90 €