Ronen's Opening Survey: The Vienna Opening in the QGD (7 part series).
D37: QGD: 4.Nf3.
The Vienna QGD is a very important part of the Ragozin opening - ECO D37-D39. This opening has been used in recent years by many of the top players, including Aronian, Topalov, Anand Morozevich and many more. By capturing on c4 with his d pawn, black immediately goes after white's center, deviating from the normal positional play after white himself plays cxd5. A very energetic opening for any level! Let's watch GM Ronen's shows, and learn all the tricks and subtleties of this interesting opening.