Rat Defense (랫 방어)

한국어

The Rat Defense family holds 11 lines. The boards below follow its shortest line from the first move.

The Korean name in brackets is ours, not an official translation. The original name is English.

Main line

1. e4 d6 2. f4

One move per board, left to right. The two outlined squares are the move just played.

1. e4
1… d6
2. f4

Play it yourself

Rat Defense (B00)

1. e4 d6 2. f4

Tap a piece and then the square it goes to. When the move matches the data, the reply follows on its own.

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ECO codes here

Variations in this family

Ordered by ECO code. A blank label means the entry carries the family name alone.

  1. A41English Rat4 movesPlay this line

    1. d4 d6 2. c4 e5

  2. A41English Rat, Lisbon Gambit6 movesPlay this line

    1. d4 d6 2. c4 e5 3. dxe5 Nc6

  3. A41English Rat, Pounds Gambit6 movesPlay this line

    1. d4 d6 2. c4 e5 3. dxe5 Be6

  4. A82Balogh Defense4 movesPlay this line

    1. e4 d6 2. d4 f5

  5. B00Harmonist3 movesPlay this line

    1. e4 d6 2. f4

  6. B00Petruccioli Attack3 movesPlay this line

    1. e4 d6 2. h4

  7. B00Spike Attack3 movesPlay this line

    1. e4 d6 2. g4

  8. B00Antal Defense4 movesPlay this line

    1. e4 d6 2. d4 Nd7

  9. B00Fuller Gambit6 movesPlay this line

    1. e4 d6 2. f4 d5 3. exd5 Nf6

  10. B06Accelerated Gurgenidze6 movesPlay this line

    1. e4 g6 2. d4 d6 3. Nc3 c6

  11. C00Small Center Defense4 movesPlay this line

    1. d4 e6 2. e4 d6

Other families of similar size

Data collected on 2026-09-07. The original is published as a public domain data set.