ECO C70
12 named openings and variations are classified as C70. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Ruy Lopez: Bird's Defense DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nd4
- Ruy Lopez: Morphy DefenseC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6
- Ruy Lopez: Morphy Defense, Alapin's Defense DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bb4
- Ruy Lopez: Morphy Defense, Caro VariationC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5
- Ruy Lopez: Morphy Defense, Classical Defense DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5
- Ruy Lopez: Morphy Defense, Cozio DefenseC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7
- Ruy Lopez: Morphy Defense, Fianchetto Defense DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6
- Ruy Lopez: Morphy Defense, Graz VariationC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5
- Ruy Lopez: Morphy Defense, Norwegian VariationC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5
- Ruy Lopez: Morphy Defense, Norwegian Variation, Nightingale GambitC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. Bxf7+
- Ruy Lopez: Morphy Defense, Schliemann Defense DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5
- Ruy Lopez: Morphy Defense, Schliemann Defense Deferred, Jaenisch Gambit DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. exf5