QGD (D31)

Alapin variation

1. d4 d5 2. c4 e6 3. Nc3 b6

KGD (C32)

Falkbeer, Alapin variation

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf2+ 8. Kd1 Qxd5+ 9. Nfd2

French (C00)

Alapin variation

1. e4 e6 2. d4 d5 3. Be3

French (C14)

Classical, Alapin variation

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Nb5

QGD Slav accepted (D16)

Alapin variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4

QGD (D08)

Albin counter-gambit, Alapin variation

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2

Dutch, Manhattan (Alapin, Ulvestad) variation (A80)

1. d4 f5 2. Qd3

Ruy Lopez (C69)

Exchange variation, Alapin gambit

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5

Evans gambit (C52)

Alapin-Steinitz variation

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bg4

Evans gambit (C52)

Sanders-Alapin variation

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bd7

Vienna (C25)

Hamppe-Allgaier gambit, Alapin variation

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 d6

Ruy Lopez (C73)

Modern Steinitz defense, Alapin variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6

Ruy Lopez (C77)

Wormald (Alapin) attack

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2

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

KGD (C30)

Norwalde variation

1. e4 e5 2. f4 Qf6

QGD (D55)

Neo-Orthodox variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6

QGD (D53)

Lasker variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Ne4

QGD (D55)

Petrosian variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bxf6 Bxf6 8. Rc1 c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4

QGD (D55)

Neo-Orthodox variation, 7.Bh4

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4

QGA (D22)

Haberditz variation

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