Rat Defense: Fuller Gambit

1.
1. e4
2. d6
2.
3. f4
4. d5
3.
5. exd5
6. Nf6

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The Rat Defense: Fuller Gambit is a chess opening classified under ECO code B00 (Semi-Open games). It is a variation of the Rat Defense family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.