Rat Defense
11 named lines, ECO A41–C00. The main position arises after1. e4 d6 2. f4.
| Line | Games | White / draw / Black |
|---|---|---|
| Harmonist B00 · 1. e4 d6 2. f4 | 13,059 | |
| Petruccioli Attack B00 · 1. e4 d6 2. h4 | 98 | |
| Spike Attack B00 · 1. e4 d6 2. g4 | 70 | |
| Antal Defense B00 · 1. e4 d6 2. d4 Nd7 | 6,956 | |
| Balogh Defense A82 · 1. e4 d6 2. d4 f5 | 1,318 | |
| English Rat A41 · 1. d4 d6 2. c4 e5 | 4,506 | |
| Small Center Defense C00 · 1. d4 e6 2. e4 d6 | 3,262 | |
| Accelerated Gurgenidze B06 · 1. e4 g6 2. d4 d6 3. Nc3 c6 | 63 | |
| English Rat, Lisbon Gambit A41 · 1. d4 d6 2. c4 e5 3. dxe5 Nc6 | 338 | |
| English Rat, Pounds Gambit A41 · 1. d4 d6 2. c4 e5 3. dxe5 Be6 | 19 | |
| Fuller Gambit B00 · 1. e4 d6 2. f4 d5 3. exd5 Nf6 | 5 |