Dutch (A81)

Leningrad, Karlsbad variation

1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3

QGD (D63)

Orthodox defense, Swiss, Karlsbad variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 a6 8. cxd5

Nimzo-Indian (E23)

Spielmann, Karlsbad variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2

QGD (D64)

Orthodox defense, Rubinstein attack, Karlsbad variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6

Dutch (A86)

Leningrad variation

1. d4 f5 2. c4 Nf6 3. g3 g6

Dutch (A88)

Leningrad, Main variation with c6

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6

Dutch (A89)

Leningrad, Main variation with Nc6

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 Nc6

French (C06)

Tarrasch, Leningrad variation

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6

Nimzo-Indian (E30)

Leningrad variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5

Dutch (A87)

Leningrad, Main variation

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3

Dutch (A81)

Leningrad, Basman system

1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nf3 c6 5. O-O Nh6

Nimzo-Indian (E30)

Leningrad, ...b5 gambit

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5

Nimzo-Indian (E31)

Leningrad, Main line

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6

King's Indian (E97)

Orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6

QGD (D38)

Ragozin variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4

QGA (D22)

Haberditz variation

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5

QGD (D37)

Classical variation (5.Bf4)

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4

KGD (C30)

Classical variation

1. e4 e5 2. f4 Bc5

QGA (D23)

Mannheim variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+

QGA (D21)

Ericson variation

1. d4 d5 2. c4 dxc4 3. Nf3 b5