A40 Flank openings
English Defense
English Defense belongs to the flank openings family and has 7 catalogued lines.
Best for
Start with the main line, then add the variations that appear in your own games.
Study map
Start with one line, then add nearby branches.
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01English DefenseA40 · 1 movenew02English Defense: Eastbourne GambitA40 · 3 movesnew03English Defense: Perrin VariationA40 · 4 movesnew04English Defense: Hartlaub Gambit DeclinedA40 · 5 movesnew05English Defense: Hartlaub Gambit AcceptedA40 · 5 movesnew
Browse all 7 lines
Open the catalogue only when you need a specific branch.
Main line2 lines
Eastbourne Gambit1 lines
Hartlaub Gambit Accepted1 lines
Hartlaub Gambit Declined1 lines
Perrin Variation1 lines
Poli Gambit1 lines
Mix the variations
Practice changing book replies after you know at least 2 lines.
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