(D22) Haberditz
1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5
0/100 games played
(D22) Alatortsev
1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5.Bxc4 e6 6.d5
0/100 games played