English Opening: Agincourt Defense
1.c4 e6
What Is The Agincourt Defense?
The Agincourt Defense is Black's most transpositional reply to the English: 1...e6 prepares ...d5 without committing the knight or the c pawn. Black's point is transpositional: after ...d5, White chooses between a Queen's Gambit with d4 and a Neo-Catalan with g3, and Black keeps a comfortable setup against both. 1...e6 is less a variation than a fork in the road, and the player who understands the transpositions better wins the opening battle.
White's main plan is g3 and Bg2, pressuring d5 on the long diagonal while holding back d4. Black plays ...d5, ...Nf6 and ...Be7, then picks the moment for ...dxc4 or ...c5. Capture on c4 at the right time and Black equalizes; cling to the center too long and the Catalan bishop takes over.
How Do You Play Against The English Opening: Agincourt Defense?
52% play 2.Nc3 and 15% 2.g3. Answering 1.c4 with ...e6 keeps the position quiet and heads for Queen's Gambit structures whenever White plays d4, which is why this is the transposition-friendly reply rather than an independent system.
If you already play the Queen's Gambit Declined as Black, this is the move order that gets you there without learning any English theory at all. The trade-off is that White can decline to transpose and play a genuine English with g3 and Bg2, so you should be comfortable in both. White scores 49% to 46% over 2,881 games, the narrowest edge in this family.
What Do Players Choose At The Decision Point?
| Move | Share | Games | |
|---|---|---|---|
| e5 | 28% | 8,268 | |
| Nf6 | 16% | 4,683 | |
| e6 | 12% | 3,453 | |
| c5 | 11% | 3,391 |
How Does Play Continue From Here?
| Move | Share | Games | |
|---|---|---|---|
| Nc3 | 52% | 1,805 | |
| g3 | 15% | 511 | |
| d4 | 11% | 363 | |
| e3 | 7% | 255 |
The Named Lines Of The Agincourt Defense
| Line | Moves |
|---|---|
| Catalan Defense | 1.c4 e6 2.Nf3 d5 3.g3 b6 4.Bg2 Bb7 5.O-O |
| Kurajica Defense | 1.c4 e6 2.Nf3 d5 3.g3 c6 |
| Catalan Defense, Semi-Slav Defense | 1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.Bg2 c6 |
| Bogoljubow Defense | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Bd6 |
| Catalan Defense Accepted | 1.c4 e6 2.Nf3 Nf6 3.g3 d5 4.Bg2 dxc4 |
| Wimpy System | 1.c4 e6 2.Nf3 Nf6 3.b3 d5 4.Bb2 c5 5.e3 |
| Neo-Catalan Declined, Early b3 | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.b3 b6 |
| Neo-Catalan Declined | 1.Nf3 d5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.c4 O-O 6.b3 c5 7.e3 Nc6 |
| Tarrasch Defense | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 c5 5.b3 Nc6 6.O-O Be7 |
| Keres Defense | 1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O c5 6.cxd5 Nxd5 7.Nc3 Nc6 |