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
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
Trompowsky Powerbase 2025
Trompowsky Powerbase 2025 is a database and contains a total of 8727 games from Mega 2025 and the Correspondence Database 2024, of which 316 are annotated.
Trompowsky Powerbase 2025 is a database and contains a total of 8727 games from Mega 2025 and the Correspondence Database 2024, of which 316 are annotated.
€9.90
2nd Move Anti-Sicilian Powerbook 2025
Powerbook based on more than 618 000 games in which White already sidesteps the main variations of the Sicilian on move 2.
Powerbook based on more than 618 000 games in which White already sidesteps the main variations of the Sicilian on move 2.
€9.90
2nd Move Anti-Sicilian Powerbase 2025
2nd Move Anti-Sicilian Powerbase 2025 is a database and contains a total of 12090 games from Mega 2025 or the Correspondence Database 2024, of which 874 are annotated.
2nd Move Anti-Sicilian Powerbase 2025 is a database and contains a total of 12090 games from Mega 2025 or the Correspondence Database 2024, of which 874 are annotated.
€9.90
Ruy Lopez Powerbase 2025
Ruy Lopez Powerbase 2025 is a database and contains a total of 12092 games from Mega 2025 and the Correspondence Database 2024, of which 1276 are annotated.
Ruy Lopez Powerbase 2025 is a database and contains a total of 12092 games from Mega 2025 and the Correspondence Database 2024, of which 1276 are annotated.
€9.90
Ruy Lopez Powerbook 2025
The Ruy Lopez Powerbook 2025 has a tree structure based on 3.6 million computer chess games played in the engine room of playchess.com.
€9.90
Queen's Gambit Accepted Powerbase 2025
The Queen's Gambit Accepted Powerbase 2025 is a database and contains a total of 11827 games from Mega 2025 and the Correspondence Database 2024, of which 240 are annotated.
The Queen's Gambit Accepted Powerbase 2025 is a database and contains a total of 11827 games from Mega 2025 and the Correspondence Database 2024, of which 240 are annotated.
€9.90
Queen's Gambit Accepted Powerbook 2025
How do you play the Queen's Gambit Accepted? Does White have promising variations or can Black construct a water-tight repertoire? The Powerbook provides the answers based on 300 000 games, most of them played by engines.
How do you play the Queen's Gambit Accepted? Does White have promising variations or can Black construct a water-tight repertoire? The Powerbook provides the answers based on 300 000 games, most of them played by engines.
€9.90