Sicilian Defense: Nimzowitsch Variation, Exchange Variation

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 Nxc3

ECO B29

The Sicilian Defense: Nimzowitsch Variation, Exchange Variation is a chess opening line in the Sicilian Defense complex, reached after 1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 Nxc3.

It is catalogued under code B29 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nxc3 is chosen by Black on move 4.

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.