Marienbad System: Berg Variation

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.c4 cxd4 6.Qxd4

ECO A47

The Marienbad System: Berg Variation is a chess opening line in the Marienbad System complex, reached after 1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 c5 5.c4 cxd4 6.Qxd4.

It is catalogued under code A47 in the Encyclopaedia of Chess Openings (ECO).

The defining move Qxd4 is chosen by White on move 6.

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