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Chess Opening Theory/1. d4/1...Nc6

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Mikenas Defense
a b c d e f g h
8a8 black rookb8 black kingc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rook8
7a7 black pawnb7 black pawnc7 black pawnd7 black pawne7 black pawnf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black knightd6 black kinge6 black kingf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black kinge5 black kingf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 black kingd4 white pawne4 black kingf4 black kingg4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 black kinge2 white pawnf2 white pawng2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 white bishopd1 white queene1 white kingf1 white bishopg1 white knighth1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

r1bqkbnr/pppppppp/2n5/8/3P4/8/PPP1PPPP/RNBQKBNR w

Moves: 1.d4 Nc6
ECO code: A40
Parent: Queens Pawn Opening
Synonym(s): Lundin (Kevitz-Mikenas) Defence

Queen's Knight Defense

A40 Mikenas Defense

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1...Nc6

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The Queen's Knight defense (Lundin (Kevitz-Mikenas) Defence) is characterized by 1. d4 Nc6. This move is rarely played, it prepares a possible e5 for Black, however the Black Knight is often exposed to a being moved by White playing d5 at some stage or loses a tempo to pawns moving to occupy the center. On the plus side Black's pawn structure remain flexible.

White has a number of choices.

  • 2. e4 A common reply and transposes into a Nimzowitsch Defence.
  • 2. Nf3 this prevents Black's immediate e5.
  • 2. c4 exerting extra pressure on the d5 square.
  • 2. d5 Moving the pawn again and directly challenging the Knight.

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation.

1.d4 Nc6

2 3 4
Nimzowitsch Defence
by transposition		 e4 See 1.e4 Nc6 2.d4
Chigorin Defence
by transposition		 Nf3
d5		 c4
Bg4		 cxd5
Bxf3		 +=
Montevideo Defensed5Nb8!?
Mikenas Defense: Full Metal Jacket Variation d5
Ne5		 e4
e6		 f4
exd5!?		 =
Mikenas Defense: Lithuanian Variation c4
e5		 d5
Nce7		 =

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Wikipedia has related information at Queen's Knight Defence

References

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  • Nunn's Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. ISBN 1-8574-4221-0.
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