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Silence the Sicilian - Win with the Alapin Variation (2.c3)
The Alapin Variation (1.e4 c5 2.c3) offers a simple yet highly effective solution to all major Sicilian lines, by sidestepping them with 2.c3.
€39.90
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.
€9.90