ECO C34
12 named openings and variations are classified as C34. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- King's Gambit Accepted: Becker DefenseC341. e4 e5 2. f4 exf4 3. Nf3 h6
- King's Gambit Accepted: Bonsch-Osmolovsky VariationC341. e4 e5 2. f4 exf4 3. Nf3 Ne7
- King's Gambit Accepted: Fischer DefenseC341. e4 e5 2. f4 exf4 3. Nf3 d6
- King's Gambit Accepted: Fischer Defense, Schulder GambitC341. e4 e5 2. f4 exf4 3. Nf3 d6 4. b4
- King's Gambit Accepted: Fischer Defense, Spanish VariationC341. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 Nf6 5. Bd3
- King's Gambit Accepted: Gianutio CountergambitC341. e4 e5 2. f4 exf4 3. Nf3 f5
- King's Gambit Accepted: Greco GambitC341. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 h6 5. d4 g5 6. h4 Bg7
- King's Gambit Accepted: King's Knight's GambitC341. e4 e5 2. f4 exf4 3. Nf3
- King's Gambit Accepted: MacLeod DefenseC341. e4 e5 2. f4 exf4 3. Nf3 Nc6
- King's Gambit Accepted: Schallopp DefenseC341. e4 e5 2. f4 exf4 3. Nf3 Nf6
- King's Gambit Accepted: Schallopp Defense, Tashkent AttackC341. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. g4
- King's Gambit Accepted: Wagenbach DefenseC341. e4 e5 2. f4 exf4 3. Nf3 h5