London System
4 named lines, ECO A48–D02. The main position arises after1. d4 Nf6 2. Nf3 g6 3. Bf4.
| Line | Games | White / draw / Black |
|---|---|---|
| London System (2… g6 3. Bf4) A48 · 1. d4 Nf6 2. Nf3 g6 3. Bf4 | 7,359 | |
| London System (3… Bg7 4. e3) A48 · 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 | 4,035 | |
| London System (4. e3 d6) A48 · 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 | 1,385 | |
| Poisoned Pawn Variation D02 · 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Qb6 5. Nc3 | 23 |