C41 Open games

Philidor Defense

Philidor Defense belongs to the open games family and has 44 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.

0 started · 0 mastered

01Philidor DefenseC41 · 2 movesnew02Philidor Defense: Exchange VariationC41 · 3 movesnew03Philidor Defense: Hanham VariationC41 · 3 movesnew04Philidor Defense: Lopez CountergambitC41 · 3 movesnew05Philidor Defense: Nimzowitsch VariationC41 · 3 movesnew

Browse all 44 lines

Open the catalogue only when you need a specific branch.

Lion Variation8 lines
Hanham Variation6 lines
Nimzowitsch Variation5 lines
Main line4 lines
Philidor Countergambit4 lines
Exchange Variation3 lines
Lopez Countergambit2 lines
Nimzowitsch2 lines
Albin-Blackburne Gambit1 lines

Mix the variations

Practice changing book replies after you know at least 2 lines.

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