Modern Defence (A41 – A42)

A42 Modern defence: Averbakh system


A42 Modern Defence: Averbakh System Kotov Variation


A42 Modern Defence: Averbakh System Randspringer Variation


A42 Modern Defence: Averbakh Variation


A42 Modern Defence: Averbakh Variation Pseudo-Saemisch


A42 Modern Defence: Pterodactyl Variation


A42 Sicilian Defence: Hyperaccelerated Fianchetto

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