ECO code: A04
Name: Zukertort Opening: Queen's Gambit Invitation 2.c4 a6
Moves: 1. Nf3 e6 2. c4 a6
FEN: rnbqkbnr/1ppp1ppp/p3p3/8/2P5/5N2/PP1PPPPP/RNBQKB1R w KQkq - 0 3
The Zukertort Opening with the move 2...a6 is a flexible and somewhat uncommon choice by Black. This move is characteristic for its preparatory nature: Black aims to control the b5-square, preventing White's pieces or pawns from advancing there. It also prepares potential queenside expansions such as ...b5 in some lines.
From Black's perspective, 2...a6 is a defensive move designed to restrain White's queenside activity rather than immediately challenging the center. White, meanwhile, maintains the initiative and can continue developing and contesting central squares.
Regarding central control, this opening phase is indirect in attacking the center. White's 2.c4 directly challenges the center, while Black's 2...a6 does not contest the center immediately but supports positional flexibility on the queenside.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.