ECO C33
45 named openings and variations are classified as C33. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- King's Gambit AcceptedC331. e4 e5 2. f4 exf4
- King's Gambit Accepted: Basman GambitC331. e4 e5 2. f4 exf4 3. Qe2
- King's Gambit Accepted: Bishop's GambitC331. e4 e5 2. f4 exf4 3. Bc4
- King's Gambit Accepted: Bishop's Gambit, Anderssen DefenseC331. e4 e5 2. f4 exf4 3. Bc4 g5
- King's Gambit Accepted: Bishop's Gambit, Anderssen VariationC331. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 c6
- King's Gambit Accepted: Bishop's Gambit, Bledow CountergambitC331. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Nf6
- King's Gambit Accepted: Bishop's Gambit, Bledow VariationC331. e4 e5 2. f4 exf4 3. Bc4 d5
- King's Gambit Accepted: Bishop's Gambit, Boden VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nc6
- King's Gambit Accepted: Bishop's Gambit, Bogoljubow DefenseC331. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6
- King's Gambit Accepted: Bishop's Gambit, Bogoljubow VariationC331. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3
- King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius VariationC331. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 Bd6
- King's Gambit Accepted: Bishop's Gambit, Bryan CountergambitC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5
- King's Gambit Accepted: Bishop's Gambit, Chigorin's AttackC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d5 5. Bxd5 g5 6. g3
- King's Gambit Accepted: Bishop's Gambit, Classical DefenseC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Ne7 5. Nc3 g5 6. d4 Bg7
- King's Gambit Accepted: Bishop's Gambit, Classical Defense, Cozio AttackC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Qf3
- King's Gambit Accepted: Bishop's Gambit, Cozio DefenseC331. e4 e5 2. f4 exf4 3. Bc4 Nf6
- King's Gambit Accepted: Bishop's Gambit, Cozio VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d6
- King's Gambit Accepted: Bishop's Gambit, First Jaenisch VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf6
- King's Gambit Accepted: Bishop's Gambit, Fraser VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3 fxg3 7. Qf3
- King's Gambit Accepted: Bishop's Gambit, Gianutio GambitC331. e4 e5 2. f4 exf4 3. Bc4 f5
- King's Gambit Accepted: Bishop's Gambit, Greco VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Bc5
- King's Gambit Accepted: Bishop's Gambit, Grimm AttackC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 d6 7. e5
- King's Gambit Accepted: Bishop's Gambit, Kieseritzky GambitC331. e4 e5 2. f4 exf4 3. Bc4 b5
- King's Gambit Accepted: Bishop's Gambit, Lopez DefenseC331. e4 e5 2. f4 exf4 3. Bc4 c6
- King's Gambit Accepted: Bishop's Gambit, Lopez VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5
- King's Gambit Accepted: Bishop's Gambit, Maurian DefenseC331. e4 e5 2. f4 exf4 3. Bc4 Nc6
- King's Gambit Accepted: Bishop's Gambit, McDonnell AttackC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3
- King's Gambit Accepted: Bishop's Gambit, Paulsen AttackC331. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 Bb4 5. e5
- King's Gambit Accepted: Bishop's Gambit, Steinitz DefenseC331. e4 e5 2. f4 exf4 3. Bc4 Ne7
- King's Gambit Accepted: Breyer GambitC331. e4 e5 2. f4 exf4 3. Qf3
- King's Gambit Accepted: Carrera GambitC331. e4 e5 2. f4 exf4 3. Qh5
- King's Gambit Accepted: Dodo VariationC331. e4 e5 2. f4 exf4 3. Qg4
- King's Gambit Accepted: Eisenberg VariationC331. e4 e5 2. f4 exf4 3. Nh3
- King's Gambit Accepted: Gaga GambitC331. e4 e5 2. f4 exf4 3. g3
- King's Gambit Accepted: Lopez-Gianutio Countergambit, Hein VariationC331. e4 e5 2. f4 exf4 3. Bc4 f5 4. Qe2 Qh4+ 5. Kd1 fxe4 6. Nc3 Kd8
- King's Gambit Accepted: Mason-Keres GambitC331. e4 e5 2. f4 exf4 3. Nc3
- King's Gambit Accepted: Orsini GambitC331. e4 e5 2. f4 exf4 3. b3
- King's Gambit Accepted: Paris GambitC331. e4 e5 2. f4 exf4 3. Ne2
- King's Gambit Accepted: Schurig Gambit, with Bb5C331. e4 e5 2. f4 exf4 3. Bb5
- King's Gambit Accepted: Schurig Gambit, with Bd3C331. e4 e5 2. f4 exf4 3. Bd3
- King's Gambit Accepted: Stamma GambitC331. e4 e5 2. f4 exf4 3. h4
- King's Gambit Accepted: Tartakower GambitC331. e4 e5 2. f4 exf4 3. Be2
- King's Gambit Accepted: Tartakower Gambit, Weiss DefenseC331. e4 e5 2. f4 exf4 3. Be2 f5 4. exf5 d6
- King's Gambit Accepted: TumbleweedC331. e4 e5 2. f4 exf4 3. Kf2
- King's Gambit Accepted: Villemson GambitC331. e4 e5 2. f4 exf4 3. d4