(D07) Lazard
1. d4 d5 2. c4 Nc6 3. Nf3 e5
(D07) Tartakower
1. d4 d5 2. c4 Nc6 3. Nc3 e5
(D07) Janowski
1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4.Nf3