ECO family guide

King's Gambit Declined — all variations and ECO codes

53 named lines across 3 ECO codes (C30–C32). Source: the CC0-licensed lichess.org opening database.

The main line

Position after 1.e4 e5 2.f4 Bc5 (C30). Open this line on Lichess → · King's Gambit Declined: Classical Variation on Lichess

How the main line scores at your rating

Real Lichess win rates for 1.e4 e5 2.f4 Bc5, playing as black — the family's other variations are not separately tracked for win rate yet, main line only.

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Win/draw/loss rate by rating band
Rating band	Games	White / draw / Black	Score for black
1400-1600	455,942	52.1% / 2.5% / 45.3%	46.6%
1600-1800	757,994	50.1% / 3.0% / 46.9%	48.4%
1800-2000	728,311	47.6% / 3.6% / 48.8%	50.6%
2000+	411,817	45.0% / 4.6% / 50.4%	52.7%

All 53 named variations

Every named line in the King's Gambit Declined family, from the CC0-licensed ECO classification — not separately tracked for win rate, but every ECO code and move sequence is real, sourced data.

C30Classical Variation — 1.e4 e5 2.f4 Bc5
C30Classical Variation — 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3
- C30Euwe Attack — 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 Bg4 5.fxe5 dxe5 6.Qa4+
- C30Rotlewi Countergambit — 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.b4
- C30Rubinstein Countergambit — 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5
- C30Walthoffen Attack — 1.e4 e5 2.f4 Bc5 3.Qh5
Classical
- C30Hanham Variation — 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nd7
- C30Réti Variation — 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 5.fxe5 dxe5 6.d4 exd4 7.Bc4
- C30Soldatenkov Variation — 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.fxe5
- C30Svenonius Variation — 1.e4 e5 2.Bc4 Nc6 3.Nc3 Nf6 4.d3 Bc5 5.f4 d6 6.Nf3 Bg4 7.h3 Bxf3 8.Qxf3 exf4
C30Hobbs-Zilbermints Gambit — 1.e4 e5 2.f4 Nc6 3.Nf3 g5 4.fxg5 h6
C30Keene Defense — 1.e4 e5 2.f4 Qh4+ 3.g3 Qe7
C30Keene's Defense — 1.e4 e5 2.f4 Qh4+
C30Keene's Defense — 1.e4 e5 2.f4 Qh4+ 3.g3
C30Mafia Defense — 1.e4 c5 2.f4 e5
C30Miles Defense — 1.e4 e5 2.f4 Nc6 3.Nf3 f5
C30Norwalde Variation — 1.e4 e5 2.f4 Qf6
- C30Bücker Gambit — 1.e4 e5 2.f4 Qf6 3.Nc3 Qxf4 4.Nf3 Bb4 5.Bc4
- C30Schubert Variation — 1.e4 e5 2.f4 Qf6 3.Nc3 Qxf4 4.d4
C30Panteldakis Countergambit — 1.e4 e5 2.f4 f5
- C30Greco Variation — 1.e4 e5 2.f4 f5 3.exf5 Qh4+
- C30Pawn Sacrifice Line — 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Qh5+ g6 5.fxg6 Qe7+ 6.Kd1
- C30Schiller's Defense — 1.e4 e5 2.f4 f5 3.exf5 Bc5
- C30Shirazi Line — 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Qh5+ Ke7
- C30Symmetrical Variation — 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Nf3 d5 5.d4 Bd6 6.Bd3
C30Petrov's Defense — 1.e4 e5 2.f4 Nf6
C30Queen's Knight Defense — 1.e4 e5 2.f4 Nc6
C30Senechaud Countergambit — 1.e4 e5 2.f4 Bc5 3.Nf3 g5
C30Soller-Zilbermints Gambit — 1.e4 e5 2.f4 f6 3.fxe5 Nc6
C30Zilbermints Double Countergambit — 1.e4 e5 2.f4 g5
C30Zilbermints Double Gambit — 1.e4 e5 2.f4 Nc6 3.Nf3 g5
C31Falkbeer Countergambit — 1.e4 e5 2.f4 d5
- C31Anderssen Attack — 1.e4 e5 2.f4 d5 3.exd5 e4 4.Bb5+
- C31Blackburne Attack — 1.e4 e5 2.f4 d5 3.Nf3
- C31Charousek Gambit — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3
  C32Charousek Gambit — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2
  - C31Morphy Defense — 1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.exd5 e4 5.d3 Bb4 6.Bd2 e3
  - C32Keres Variation — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nd2
  - C32Main Line — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5
  - C32Old Line — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Qe2
- C31Hinrichsen Gambit — 1.e4 e5 2.f4 d5 3.d4
- C31Miles Gambit — 1.e4 e5 2.f4 d5 3.exd5 Bc5
- C31Milner-Barry Variation — 1.e4 e5 2.f4 d5 3.Nc3
- C31Modern Transfer — 1.e4 e5 2.f4 d5 3.exd5 exf4
- C31Nimzowitsch-Marshall Countergambit — 1.e4 e5 2.f4 d5 3.exd5 c6
- C31Pickler Gambit — 1.e4 e5 2.f4 d5 3.exd5 c6 4.dxc6 Bc5
- C31Rubinstein Variation — 1.e4 e5 2.f4 d5 3.exd5 e4 4.Nc3 Nf6 5.Qe2
- C31Staunton Line — 1.e4 e5 2.f4 d5 3.exd5 e4
- C32Alapin Variation — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf2+ 8.Kd1 Qxd5+ 9.Nfd2
- C32Charousek Gambit Accepted — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4
- C32Charousek Variation — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2 Qxd5 7.Nd2 f5 8.g4
- C32Tarrasch Variation — 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5 8.g4 O-O
C31Falkbeer Countergambit Accepted — 1.e4 e5 2.f4 d5 3.exd5