Rat Defense
The Rat Defense covers 11 named lines in the opening book (ECO A41–C00). Pick a variation to see its moves, the position, and Stockfish 18’s best move.
- English RatA411. d4 d6 2. c4 e5
- Balogh DefenseA821. e4 d6 2. d4 f5
- Antal DefenseB001. e4 d6 2. d4 Nd7
- Fuller GambitB001. e4 d6 2. f4 d5 3. exd5 Nf6
- HarmonistB001. e4 d6 2. f4
- Petruccioli AttackB001. e4 d6 2. h4
- Spike AttackB001. e4 d6 2. g4
- Accelerated GurgenidzeB061. e4 g6 2. d4 d6 3. Nc3 c6
- Small Center DefenseC001. d4 e6 2. e4 d6