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{{chess notation}}
{{chess notation}}
{{Infobox chess opening
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|moves =1.d4 Nc6
|ECO =A40
|nameorigin =
|parentopening = [[Queen's Pawn Game]]
|A.K.A.= Nimzowitsch Queen Pawn Defence, Bogoljubow-Mikenas Defense
}}

The '''Queen's Knight Defense''', also known as the '''Nimzowitsch Queen Pawn Defence''' or '''Bogoljubow-[[Vladas Mikėnas|Mikenas]] Defense''' is a [[chess opening]] defined by the opening moves 1.d4 Nc6. The opening was tried by some [[hypermodernism (chess)|hypermodern]] players such as [[Aron Nimzowitsch]] and [[Efim Bogoljubov]] but the opening has never become very popular. The move 1...Nc6 is a fairly committal move, blocking the c-pawn, and usually Black will delay playing it until White's setup is clear.
The '''Queen's Knight Defense''', also known as the '''Nimzowitsch Queen Pawn Defence''' or '''Bogoljubow-[[Vladas Mikėnas|Mikenas]] Defense''' is a [[chess opening]] defined by the opening moves 1.d4 Nc6. The opening was tried by some [[hypermodernism (chess)|hypermodern]] players such as [[Aron Nimzowitsch]] and [[Efim Bogoljubov]] but the opening has never become very popular. The move 1...Nc6 is a fairly committal move, blocking the c-pawn, and usually Black will delay playing it until White's setup is clear.



Revision as of 09:51, 16 June 2009

Queen's Knight Defense
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a8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
c6 black knight
d4 white pawn
a2 white pawn
b2 white pawn
c2 white pawn
e2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
f1 white bishop
g1 white knight
h1 white rook
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abcdefgh
Moves1.d4 Nc6
ECOA40
ParentQueen's Pawn Game

The Queen's Knight Defense, also known as the Nimzowitsch Queen Pawn Defence or Bogoljubow-Mikenas Defense is a chess opening defined by the opening moves 1.d4 Nc6. The opening was tried by some hypermodern players such as Aron Nimzowitsch and Efim Bogoljubov but the opening has never become very popular. The move 1...Nc6 is a fairly committal move, blocking the c-pawn, and usually Black will delay playing it until White's setup is clear.

Most games featuring 1.d4 Nc6 transpose to another opening. After 2.e4 the Nimzowitsch Defense arises. After 2.Nf3 d5 a variation of the Queen's Pawn Game is possible. After 2.c4 d5 the opening is a Chigorin Defense.

There are some lines which are unique to 1.d4 Nc6, most importantly 2.d5 which chases the knight away, usually to e5. The opening resembles an Alekhine's Defence on the opposite side of the board. In an opening book by Sid Pickard, this variation was called the Bozo-Indian Defense, "Bozo" being a mixture of the prefixes "Nimzo" and "Bogo".

Unless the game transposes to another opening, the Encyclopedia of Chess Openings code for the Queen's Knight Defense is A40.

Named variations

  • Lithuanian Variation - 2. c4 e5 3. d5 Nce7
  • Cannstatter Gambit - 2. c4 e5 3. d5 Nd4
  • Montevideo Retreat - 2. d5 Nb8

Illustrative game

Erich Weinitschke vs Efim Bogoljubov, Bad Elster (Germany) 1938[1] 1.d4 Nc6 2.d5 Ne5 3.f4 Ng6 4.e4 e5 (this position more commonly occurs from the Nimzowitsch Defense by 1.e4 Nc6 2.d4 e5 3.d5 Nce7 4.f4 Ng6) 5.f5 Qh4+ 6.Kd2 Qxe4 7.fxg6 Qxd5+ 8.Ke1 Qxd1+ 9.Kxd1 hxg6 10.Nc3 c6 11.Nf3 f6 12.Bd3 Ne7 13.Re1 d5 14.h3 e4 15.Bxe4 dxe4 16.Nxe4 Kf7 17.Bd2 Nf5 18.b3 g5 19.Ke2 Nd6 20.Nf2 Bf5 21.Nd4 Bg6 22.Kf1 Nf5 23.Ne2 Bc5 24.Ne4 Bb6 25.c4 Rad8 26.Red1 Rxd2 27.Nxd2 Ne3+ 0-1

References

Template:WikibookChess

  • David Hooper and Kenneth Whyld (1996). The Oxford Companion to Chess ((2 ed.) ed.). Oxford University. ISBN 0-19-280049-3.
  • Eric Schiller (1997). Unorthodox Chess Openings. Cardoza. ISBN 0-940685-73-6.