English Opening: Anglo-Indian Defense
1.c4 Nf6
What Is The Anglo-Indian Defense?
The Anglo-Indian Defense begins with 1.c4 Nf6, the most flexible reply to the English. Black commits no pawn, keeping King's Indian, Queen's Indian, Grünfeld and Hedgehog setups available, while White chooses between playing d4 to transpose into a mainline or holding it back for pure English positions. The real fight is over transpositions: each side maneuvers toward the structure it knows better.
Delaying d4 takes the sting out of a Grünfeld setup: after ...d5, White exchanges on d5 and denies Black the d4 target that fuels the counterattack. White's plan is to fianchetto the king's bishop, clamp down on d5, and play d4 only on favorable terms. As Black, pick one formation, learn its pawn break, ...e5, ...d5 or the Hedgehog's ...b5, and steer every game there.
How Do You Play Against The English Opening: Anglo-Indian Defense?
60% reply 2.Nc3, the highest concentration on a single move anywhere in the English. You have played ...Nf6 and kept every option open, which is why this is the most flexible answer to 1.c4 and the one most likely to transpose somewhere familiar.
Flexibility only pays if you know which structures you are steering toward, otherwise it is just delay. ...e6 heads for Queen's Gambit and Nimzo territory, ...g6 for King's Indian and Grünfeld structures, and ...c5 for a Symmetrical English. Decide before move three rather than after. White scores 51% to 44% over 3,931 games, so the flexible route is not a free equaliser.
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 | 60% | 2,787 | |
| g3 | 14% | 667 | |
| d4 | 10% | 458 | |
| Nf3 | 6% | 280 |
The Named Lines Of The Anglo-Indian Defense
| Line | Moves |
|---|---|
| King's Knight Variation | 1.c4 Nf6 2.Nf3 |
| Queen's Knight Variation | 1.c4 Nf6 2.Nc3 |
| King's Indian Formation | 1.c4 Nf6 2.Nf3 g6 |
| Old Indian Formation | 1.c4 Nf6 2.Nf3 d6 |
| Queen's Indian Formation | 1.c4 e6 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 |
| Scandinavian Defense | 1.c4 Nf6 2.Nf3 d5 |
| Hedgehog System | 1.c4 Nf6 2.Nc3 e6 |
| Grünfeld Formation | 1.c4 Nf6 2.Nf3 g6 3.g3 d5 |
| Romanishin Variation | 1.c4 e6 2.Nf3 Nf6 3.g3 a6 |
| Slav Formation | 1.c4 Nf6 2.Nf3 g6 3.g3 c6 |
| Nimzo-English | 1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 |
| Scandinavian Defense, Exchange Variation | 1.c4 Nf6 2.Nf3 d5 3.cxd5 Nxd5 |
| Anti-Anti-Grünfeld | 1.c4 Nf6 2.Nc3 g6 3.Nf3 Bg7 4.e4 |
| Zvjaginsev-Krasenkow Attack | 1.c4 e6 2.Nc3 Nf6 3.Nf3 Bb4 4.g4 |
| Flohr-Mikenas-Carls Variation, Nei Gambit | 1.c4 e6 2.Nc3 Nf6 3.e4 c5 4.e5 Ng8 |
| King's Indian Formation, Double Fianchetto | 1.c4 Nf6 2.Nf3 g6 3.g3 b6 4.Bg2 Bb7 |
| Anglo-Grünfeld Variation | 1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nxc3 |
| Queen's Indian Variation | 1.c4 e6 2.Nc3 Nf6 3.Nf3 b6 4.e4 Bb7 5.Bd3 |