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Rat Defense, English Rat

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Chess opening
Rat Defense
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8a8 black rookb8 black knightc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rooka7 black pawnb7 black pawnc7 black pawnf7 black pawng7 black pawnh7 black pawnd6 black pawne5 black pawnc4 white pawnd4 white pawna2 white pawnb2 white pawne2 white pawnf2 white pawng2 white pawnh2 white pawna1 white rookb1 white knightc1 white bishopd1 white queene1 white kingf1 white bishopg1 white knighth1 white rook8
77
66
55
44
33
22
11
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Moves1.d4 d6 2.c4 e5
ECOA41
ParentOld Indian Defense

The Rat Defense, English Rat is an irregular Queen's Pawn Game chess opening characterised by the initial moves:

1. d4 d6
2. c4 e5

The position can also arise from an English Opening move order 1.c4 d6 2.d4 e5.

Another possible move order can be reached via the Englund Gambit: 1. d4 e5 2. c4 d6.

The "English Rat" has been played by top players such as Aronian, Anand, Svidler, Rapport, and Smirin.

This article uses algebraic notation to describe chess moves.

While 3.dxe5 dxe5 4. Qxd8, transposing into an endgame, may initially appear to be favorable for white as black's king won't be able to castle, the pawn on c4 will restrict the mobility of the white-squared bishop, so the endgame is comfortable for black to maintain equality.

Gambit lines

  • Lisbon Gambit: 1.d4 d6 2.c4 e5 3. dxe5 Nc6, which usually continues 4. exd6 Bxd6 or (4...Qxd6).
  • Pounds Gambit: 1. d4 d6 2. c4 e5 3. dxe5 Be6

See also

Related openings:

References

  1. "Rat Defense English Rat - Chess Opening".
  2. "Queen's Pawn Opening: English Rat Defense - Chess Openings".
  3. "Queen's Pawn Opening: English Rat, Lisbon Gambit - Chess Openings".
  4. "Rat Defense English Rat Lisbon Gambit - Chess Opening".
  5. "English Rat Pounds Gambit - Chess Opening".

Bibliography

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