ECO C64
10 named openings and variations are classified as C64. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Ruy Lopez: Classical Defense, Benelux VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6
- Ruy Lopez: Classical Defense, Boden VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qe7
- Ruy Lopez: Classical Defense, Zaitsev VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. b4
- Ruy Lopez: Classical VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5
- Ruy Lopez: Classical Variation, Central VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3
- Ruy Lopez: Classical Variation, Charousek VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6
- Ruy Lopez: Classical Variation, Cordel GambitC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5
- Ruy Lopez: Classical Variation, Konikowski GambitC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 d5
- Ruy Lopez: Classical Variation, Modern Main LineC641. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6 7. Bg5
- Ruy Lopez: Classical Variation, Spanish Wing GambitC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. b4