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CHESS OPENINGS
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Nc6 -
Modern defence
(A42), Averbakh system, Kotov variation
f5 -
Modern defence
(A42), Averbakh system, Randspringer variation
c5 -
Pterodactyl defence
(A42)
Chess opening -
Modern defence
(A42), Averbakh system
Annotated chess games with this chess opening: