ELO: 1800-2000
0 reviews
Attacking the English/Reti
Semko Semkov
Alexander Delchev
ELO: 1600-2000
1 review
The Safest Sicilian: A Black Repertoire with 1.e4 c5 2. Nf3 e6
Aleksander Delchev, Semko Semkov
ELO: 600–2200
Promoted
Openings, Explained
Understand the ideas, then drill the lines