411 REFERENCE · Wikibooks
Chess Opening Theory/1. d4/1...d5/2. c4/2...c5/3. cxd5
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Austrian Defense
3. cxd5
The a logical and principled way of dealing with this central tension, using a flank pawn to exchange a center pawn. Black usually replies with 3...Qxd5, although 3...Nf6, the so called Gusev Countergambit, tries to complicate the position
Theory table
1. d4 d5 2. c4 c5 3. cxd5
+345cxd5
Qxd5Nf3
cxd4Nc3
Qa5=...
Nf6Nf3
cxd4Qxd4
Qxd5=...
...e4
Nxe4dxc5
Nxc5 +/=
References