C60 · Ruy Lopez

Ruy Lopez: Cozio Defense, Paulsen Variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6
♜♝♛♚♝♜♟♟♟♟♞♟♟♞♟♝♟♟♞♞♟♟♟♟♟♟♟♜♝♛♚♜
The position after 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6, White to move.

In the Ruy Lopez: Cozio Defense, Paulsen Variation, aim to understand the plans and pawn structures, not just memorize the first moves.

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The Ruy Lopez: Cozio Defense, Paulsen Variation is a chess opening classified under ECO code C60. It is reached after the moves 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6: 8 moves in, with White to play.

It belongs to the Ruy Lopez 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 Ruy Lopez: Cozio Defense, Paulsen Variation 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.

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Related openings

Ruy LopezRuy Lopez: Alapin DefenseRuy Lopez: Alapin Defense, Alapin GambitRuy Lopez: Brentano GambitRuy Lopez: Bulgarian VariationRuy Lopez: Cozio DefenseRuy Lopez: Cozio Defense, Tartakower GambitRuy Lopez: Fianchetto DefenseRuy Lopez: Fianchetto Defense, Kevitz GambitRuy Lopez: Lucena Variation

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