Queen's Gambit Declined: Chigorin Defense, Exchange Variation, Costa's Line

1.d4 d5 2.c4 Nc6 3.cxd5 Qxd5 4.e3 e5 5.Nc3 Bb4 6.Bd2 Bxc3 7.Bxc3 exd4 8.Ne2

ECO D07

The Queen's Gambit Declined: Chigorin Defense, Exchange Variation, Costa's Line is a chess opening line in the Queen's Gambit Declined complex, reached after 1.d4 d5 2.c4 Nc6 3.cxd5 Qxd5 4.e3 e5 5.Nc3 Bb4 6.Bd2 Bxc3 7.Bxc3 exd4 8.Ne2.

It is catalogued under code D07 in the Encyclopaedia of Chess Openings (ECO).

The defining move Ne2 is chosen by White on move 8.

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