Rat Defense: English Rat

An entry in the Encyclopedia of Chess Openings (ECO A41), reached after 4 half-moves: 1. d4 d6 2. c4 e5.

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3.dxe5 2 lines
- A41 Lisbon Gambit
- A41 Pounds Gambit

About this opening

Rat Defense: English Rat is an opening in the Encyclopedia of Chess Openings, classified under code A41. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 4 half-moves from the starting position, with the move sequence 1. d4 d6 2. c4 e5.

The opening sequence in prose form: 1.d4 d6, 2.c4 e5. From this position exactly one named continuation is recorded in the encyclopaedia.