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Zukertort Opening

This article is about the initial move 1.Nf3 itself. For the system of moves commonly beginning with 1.Nf3, see Réti Opening.
Zukertort Opening
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a8 black rook
b8 black knight
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
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 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
h1 white rook
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Moves1.Nf3
ECOA04–A09
Named afterJohannes Zukertort

The Zukertort Opening is a chess opening named after Johannes Zukertort that begins with the move:

1. Nf3

Sometimes the name "Réti Opening" is used for the opening move 1.Nf3,[1] although most sources define the Réti more narrowly as the sequence 1.Nf3 d5 2.c4.[2]

A flank opening, it is the third most popular of the twenty legal opening moves White has, behind only 1.e4 and 1.d4.[3][4][5]

The move has been described by Edmar Mednis as a "perfect and flexible opening"[6] and by others such as Aron Nimzowitsch as "certainly the most solid move, whereas moves such as 1.e4 and 1.d4 are both 'committal' and 'compromising'."[7] The game can transpose into many other openings that usually start with 1.e4, 1.d4, or 1.c4. If Black is not careful, there is the risk of running unprepared into a highly theoretical opening, e.g. after 1.Nf3 c5 White can play 2.e4 leading to the mainline Sicilian Defense. Other common transpositions are to various lines of the Queen's Gambit Declined (after e.g. 1.Nf3 d5 2.d4 Nf6 3.c4) or the Catalan Opening (after e.g. 1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.0-0 Be7 5.c4).[6]

The main independent lines which usually start with 1.Nf3 are the Réti Opening (1.Nf3 d5 2.c4) and the King's Indian Attack (where White plays 1.Nf3, 2.g3, 3.Bg2, 4.e4, and 5.d3, though not always in that order). By playing 1.Nf3 White has prevented Black from playing 1...e5, and many players who want to play the English Opening but avoid the reversed Sicilian lines beginning with 1.c4 e5 opt to start the game with 1.Nf3 instead.[6]

In the Encyclopedia of Chess Openings, Zukertort Openings are classified in the coding series A04–A09. 1...d5 is under A06–A09, 1...Nf6 is under A05, and any other Black move is under A04.

This article uses algebraic notation to describe chess moves.
  1. ^ "Reti Opening (A04)". Chessgames.com. Retrieved 2009-04-04.
  2. ^ Hooper, David; Whyld, Kenneth (1992). The Oxford Companion to Chess (2nd ed.). Oxford University Press. ISBN 0-19-280049-3.
  3. ^ "Opening Explorer". Chessgames.com. Retrieved 2009-04-04.
  4. ^ "Online Chess Database". ChessBase. Retrieved 2009-04-04.
  5. ^ "Chess Opening Explorer". 365chess.com. Retrieved 2009-04-04.
  6. ^ a b c Mednis, Edmar (June 1990). "Move orders in the opening: The Modern Master's Tool". Chess Life. United States Chess Federation: 14–16.
  7. ^ Keene, Raymond (1999). Aron Nimzowitsch – Master of Planning. Batsford. pp. 170. ISBN 0-7134-8438-1.

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