Philidor Defense: Philidor Countergambit, del Rio Attack

1.e4 e5 2.Nf3 d6 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6

ECO C41

The Philidor Defense: Philidor Countergambit, del Rio Attack is a chess opening line in the Philidor Defense complex, reached after 1.e4 e5 2.Nf3 d6 3.d4 f5 4.dxe5 fxe4 5.Ng5 d5 6.e6.

It is catalogued under code C41 in the Encyclopaedia of Chess Openings (ECO).

The defining move e6 is chosen by White on move 6.

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.