ECO A12
8 named openings and variations are classified as A12. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Réti Opening: Anglo-Slav VariationA121. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3
- Réti Opening: Anglo-Slav Variation, Bled VariationA121. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6
- Réti Opening: Anglo-Slav Variation, Bogoljubow VariationA121. Nf3 d5 2. c4 c6 3. b3
- Réti Opening: Anglo-Slav Variation, Capablanca VariationA121. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg4
- Réti Opening: Anglo-Slav Variation, London Defensive SystemA121. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5
- Réti Opening: Anglo-Slav Variation, New York SystemA121. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5
- Réti Opening: Anglo-Slav Variation, Torre SystemA121. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4
- Réti Opening: Anglo-Slav Variation, with dxc4A121. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 dxc4