Tarrasch Defense: Classical Variation, Bogoljubow Variation

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.Nf3 d5 5.cxd5 exd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.Bg5 Be6 10.Rc1 c4

ECO D34

The Tarrasch Defense: Classical Variation, Bogoljubow Variation is a chess opening line in the Tarrasch Defense complex, reached after 1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.Nf3 d5 5.cxd5 exd5 6.g3 Nc6 7.Bg2 Be7 8.O-O O-O 9.Bg5 Be6 10.Rc1 c4.

It is catalogued under code D34 in the Encyclopaedia of Chess Openings (ECO).

The defining move c4 is chosen by Black on move 10.

Study this line with a grandmaster

This position is covered in the Nimzo-Indian Defense course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.