King’s Gambit Declined
MICOS Opening Group C03.KD – King’s Gambit Declined begins with 1.e4 e5 2.f4, with Black choosing not to capture the offered f4-pawn. Instead, Black can prioritise development, central control and positional stability while responding to White’s aggressive intentions without immediately entering the complications that follow 2…exf4.
The King’s Gambit Declined can lead to balanced but dynamic positions where both players have opportunities for active piece play, strategic manoeuvring and kingside attacks. Black’s decision to decline the gambit creates a different type of struggle while White retains the attacking ambitions behind the early f4 advance. Use the searchable table below to find openings by opening name, chess notation or MICOS code and train individual openings interactively with MICOS CAP.
Search by Opening Name, Chess Notation or MICOS Code. MICOS classifies each opening by its exact move order.
| Opening Name | Chess Notation | MICOS Code | MICOS CAP |
|---|---|---|---|
| King's Gambit | 1.e4 e5 2.f4 | C03.001.KD | |
| Classical Defence | 1.e4 e5 2.f4 Bc5 | C03.002.KD | Explore ▶ |
| Classical Defence: Rotlewi Counter-Gambit | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.b4 | C03.003.KD | Explore ▶ |
| Classical Defence: 4.c3 | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 | C03.004.KD | Explore ▶ |
| Classical Defence: Euwe Attack | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 Bg4 5.fxe5 dxe5 6.Qa4+ | C03.005.KD | Explore ▶ |
| Classical Defence: Rubinstein Counter-Gambit | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 | C03.006.KD | Explore ▶ |
| Classical Defence: Reti Attack | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.c3 f5 5.fxe5 dxe5 6.d4 exd4 7.Bc4 | C03.007.KD | Explore ▶ |
| Classical Defence: Soldatenkov Attack | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.fxe5 | C03.008.KD | Explore ▶ |
| Classical Defence: Hanham Defence | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nd7 | C03.009.KD | Explore ▶ |
| Classical Defence: Svenonius Defence | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nf6 5.Bc4 Nc6 6.d3 Bg4 | C03.010.KD | Explore ▶ |
| Classical Defence: Svenonius Defence: 8…exf4 | 1.e4 e5 2.f4 Bc5 3.Nf3 d6 4.Nc3 Nf6 5.Bc4 Nc6 6.d3 Bg4 7.h3 Bxf3 8.Qxf3 exf4 | C03.011.KD | Explore ▶ |
| Classical Defence: Senechaud Counter-Gambit | 1.e4 e5 2.f4 Bc5 3.Nf3 g5 | C03.012.KD | Explore ▶ |
| Classical Defence: Walthoffen Attack | 1.e4 e5 2.f4 Bc5 3.Qh5 | C03.013.KD | Explore ▶ |
| Classical Defence: Mafia Defence | 1.e4 e5 2.f4 c5 | C03.014.KD | Explore ▶ |
| Falkbeer Counter-Gambit | 1.e4 e5 2.f4 d5 | C03.015.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Hinrichsen Gambit | 1.e4 e5 2.f4 d5 3.d4 | C03.016.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Accepted | 1.e4 e5 2.f4 d5 3.exd5 | C03.017.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Miles Gambit | 1.e4 e5 2.f4 d5 3.exd5 Bc5 | C03.018.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Nimzowitsch-Marshall Counter-Gambit | 1.e4 e5 2.f4 d5 3.exd5 c6 | C03.019.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Pickler Gambit | 1.e4 e5 2.f4 d5 3.exd5 c6 4.dxc6 Bc5 | C03.020.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Staunton Defence | 1.e4 e5 2.f4 d5 3.exd5 e4 | C03.021.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Anderssen Attack | 1.e4 e5 2.f4 d5 3.exd5 e4 4.Bb5+ | C03.022.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 | C03.023.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit Accepted | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 | C03.024.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Alapin Attack | 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 | C03.025.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit: 7.Bf5 | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5 | C03.026.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Tarrasch Defence | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2 Bf5 8.g4 0-0 | C03.027.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit: 6.Qe2 | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2 | C03.028.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit: 8.g4 | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.dxe4 Nxe4 6.Qe2 Qxd5 7.Nd2 f5 8.g4 | C03.029.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit - Morphy's Defence | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nc3 Bb4 6.Bd2 e3 | C03.030.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit - Keres Attack | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Nd2 | C03.031.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Charousek Gambit Attack | 1.e4 e5 2.f4 d5 3.exd5 e4 4.d3 Nf6 5.Qe2 | C03.032.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Rubinstein Attack | 1.e4 e5 2.f4 d5 3.exd5 e4 4.Nc3 Nf6 5.Qe2 | C03.033.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Modern Transfer Exchange | 1.e4 e5 2.f4 d5 3.exd5 exf4 | C03.034.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Milner Barry Attack | 1.e4 e5 2.f4 d5 3.Nc3 | C03.035.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Bird Defence - Steiner Gambit | 1.e4 e5 2.f4 d5 3.Nc3 dxe4 4.Nxe4 | C03.036.KD | Explore ▶ |
| Falkbeer Counter-Gambit: Blackburne Attack | 1.e4 e5 2.f4 d5 3.Nf3 | C03.037.KD | Explore ▶ |
| Panteldakis Counter-Gambit | 1.e4 e5 2.f4 f5 | C03.038.KD | Explore ▶ |
| Panteldakis Counter-Gambit: Schiller's Defence | 1.e4 e5 2.f4 f5 3.exf5 Bc5 | C03.039.KD | Explore ▶ |
| Panteldakis Counter-Gambit: Symmetrical | 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Nf3 d5 5.d4 Bd6 6.Bd3 | C03.040.KD | Explore ▶ |
| Panteldakis Counter-Gambit: Pawn Sacrifice Attack | 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Qh5+ g6 5.fxg6 Qe7+ 6.Kd1 | C03.041.KD | Explore ▶ |
| Panteldakis Counter-Gambit: Shirazi Defence | 1.e4 e5 2.f4 f5 3.exf5 exf4 4.Qh5+ Ke7 | C03.042.KD | Explore ▶ |
| Panteldakis Counter-Gambit: Greco Defence | 1.e4 e5 2.f4 f5 3.exf5 Qh4+ | C03.043.KD | Explore ▶ |
| Soller Zilbermints Gambit | 1.e4 e5 2.f4 f6 3.fxe5 Nc6 | C03.044.KD | Explore ▶ |
| Zilbermints Double Counter-Gambit | 1.e4 e5 2.f4 g5 | C03.045.KD | Explore ▶ |
| Queen's Knight Defence | 1.e4 e5 2.f4 Nc6 | C03.046.KD | Explore ▶ |
| Miles Defence | 1.e4 e5 2.f4 Nc6 3.Nf3 f5 | C03.047.KD | Explore ▶ |
| Zilbermints Double Gambit | 1.e4 e5 2.f4 Nc6 3.Nf3 g5 | C03.048.KD | Explore ▶ |
| Hobbs-Zilbermints Gambit | 1.e4 e5 2.f4 Nc6 3.Nf3 g5 4.fxg5 h6 | C03.049.KD | Explore ▶ |
| Petrov's Defence | 1.e4 e5 2.f4 Nf6 | C03.050.KD | Explore ▶ |
| Norwalde Defence | 1.e4 e5 2.f4 Qf6 | C03.051.KD | Explore ▶ |
| Norwalde Defence: Schubert Attack | 1.e4 e5 2.f4 Qf6 3.Nc3 Qxf4 4.d4 | C03.052.KD | Explore ▶ |
| Norwalde Defence: Buecker Gambit | 1.e4 e5 2.f4 Qf6 3.Nf3 Qxf4 4.Nc3 Bb4 5.Bc4 | C03.053.KD | Explore ▶ |
| Keene's Defence | 1.e4 e5 2.f4 Qh4+ | C03.054.KD | Explore ▶ |
| Keene's Attack | 1.e4 e5 2.f4 Qh4+ 3.g3 | C03.055.KD | Explore ▶ |
| Keene's Defence: 3…Qe7 | 1.e4 e5 2.f4 Qh4+ 3.g3 Qe7 | C03.056.KD | Explore ▶ |
| Sub Groups | Chess Notation | MICOS CAP |
|---|---|---|
| King's Gambit Declined (C03.KD) | ||
| 77. Classical Defence | 1.e4 e5 2.f4 Bc5 | C03.002.KD 🖥️ |
| 78. Falkbeer Counter-Gambit | 1.e4 e5 2.f4 d5 | C03.015.KD 🖥️ |
| 79. Panteldakis Counter-Gambit | 1.e4 e5 2.f4 f5 | C03.038.KD 🖥️ |
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