ECO C27
7 named openings and variations are classified as C27. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Bishop's Opening: Boden-Kieseritzky GambitC271. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3
- Bishop's Opening: Boden-Kieseritzky Gambit, Lichtenhein DefenseC271. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 d5
- Vienna Game: Adams' GambitC271. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. d4
- Vienna Game: Frankenstein-Dracula VariationC271. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4
- Vienna Game: Stanley Variation, Alekhine VariationC271. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 Nc6 7. Nxe5
- Vienna Game: Stanley Variation, Frankenstein-Dracula VariationC271. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6
- Vienna Game: Stanley Variation, Monster DeclinedC271. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7