Queen's Gambit Declined: Harrwitz Attack

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4

Queen's Gambit Declined: Harrwitz Attack is catalogued under ECO code D37. It is reached after 5 moves (9 half-moves): 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4. After the last move it is Black to play. White opens 1. d4. It is a named variation of the Queen's Gambit Declined, which has 198 catalogued lines in total.

Position shown after the last move; Black to play.