Zukertort Opening: Regina-Nu Gambit

1.Nf3 d5 2.b3 c5 3.c4 dxc4 4.Nc3

ECO A06

The Zukertort Opening: Regina-Nu Gambit is a chess opening line in the Zukertort Opening complex, reached after 1.Nf3 d5 2.b3 c5 3.c4 dxc4 4.Nc3.

It is catalogued under code A06 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nc3 is chosen by White on move 4.

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