(D37) Exchange Deferred
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5.cxd5
(D37) Classical
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5.Bf4
(D37) Classical (Old)
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.Rd1
(D37) Classical (New)
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.O-O-O
(D37) Classical (Fianchetto)
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5.Bf4 O-O 6.e3 b6
(D37) Classical (Orthodox)
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5.Bf4 O-O 6.e3 c6