ECO B29
5 named openings and variations are classified as B29. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Sicilian Defense: Nimzowitsch VariationB291. e4 c5 2. Nf3 Nf6
- Sicilian Defense: Nimzowitsch Variation, Advance VariationB291. e4 c5 2. Nf3 Nf6 3. e5
- Sicilian Defense: Nimzowitsch Variation, Closed VariationB291. e4 c5 2. Nf3 Nf6 3. Nc3
- Sicilian Defense: Nimzowitsch Variation, Exchange VariationB291. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3
- Sicilian Defense: Nimzowitsch Variation, Main LineB291. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6