QGD (D40)

Semi-Tarrasch defense, Pillsbury variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5

QGD (D50)

Semi-Tarrasch, Primitive Pillsbury variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Qxd4

QGD (D40)

Semi-Tarrasch defense

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5

QGD (D42)

Semi-Tarrasch, 7.Bd3

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3

QGD (D41)

Semi-Tarrasch with e3

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3

QGD (D41)

Semi-Tarrasch, 5.cd

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5

QGD (D50)

Semi-Tarrasch

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5

QGD (D41)

Semi-Tarrasch, Kmoch variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bb5

QGD (D50)

Semi-Tarrasch, Krause variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4

QGD (D41)

Semi-Tarrasch, San Sebastian variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qa5

QGD (D40)

Semi-Tarrasch, Levenfish variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4

QGD (D40)

Semi-Tarrasch, Symmetrical variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O

Ruy Lopez (C67)

Berlin defense, Pillsbury variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. b3

QGD (D63)

Orthodox defense, Pillsbury attack

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3

QGD (D32)

Tarrasch defense, Tarrasch gambit

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 d4 6. Na4 b5

Four knights (C49)

Symmetrical, Pillsbury variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7

QGD (D55)

Pillsbury attack

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 b6 7. Bd3 Bb7 8. cxd5 exd5 9. Ne5

QGD (D32)

Tarrasch defense

1. d4 d5 2. c4 e6 3. Nc3 c5

QGD (D32)

Tarrasch defense

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3

QGD (D32)

Tarrasch defense, 4.cd ed

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5