C41 · Philidor Defense
Philidor Defense: Paulsen Attack
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 d5 5. exd5
In the Philidor Defense: Paulsen Attack, aim to understand the plans and pawn structures, not just memorize the first moves.
The Philidor Defense: Paulsen Attack is a chess opening classified under ECO code C41. It is reached after the moves 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 d5 5. exd5: 9 moves in, with Black to play.
It belongs to the Philidor Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
Club players rarely lose the Philidor Defense: Paulsen Attack in the opening itself. They lose it a few moves later, when the plan behind the moves runs out: that is what reading your own games in this line shows you.
Play the Philidor Defense: Paulsen Attack? See where you go wrong.
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