English, Nimzovich, Flohr variation (A20)

1. c4 e5 2. Nf3 e4

English (A18)

Mikenas-Carls, Flohr variation

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5

English, Nimzovich variation (A20)

1. c4 e5 2. Nf3

English (A28)

Four knights, Nimzovich variation

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4

Nimzovich-Larsen attack (A01)

English variation

1. b3 c5

QGA, Flohr variation (D25)

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6

Gruenfeld (D90)

Flohr variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+

Sicilian (B32)

Flohr variation

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7

QGA (D28)

Classical, Flohr variation

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Nc6 9. Rd1 c4 10. Bc2 Nb4 11. Nc3 Nxc2 12. Qxc2 Bb7 13. d5 Qc7

Alekhine's defense (B05)

Modern, Flohr variation

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6

Caro-Kann (B18)

Classical, Flohr variation

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3

Sicilian (B71)

Dragon, Levenfish; Flohr variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nbd7

Gruenfeld (D94)

Flohr defense

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd3 c6 7. O-O Bf5

Ruy Lopez (C92)

Closed, Flohr-Zaitsev system (Lenzerheide variation)

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Bb7

English (A17)

Nimzo-English Opening

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4

KGD (C31)

Falkbeer, Nimzovich variation

1. e4 e5 2. f4 d5 3. exd5 e4 4. Bb5+

Philidor (C41)

Nimzovich variation

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5

Sicilian (B32)

Nimzovich variation

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5

Latvian (C40)

Nimzovich variation

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Ne3

Philidor (C41)

Nimzovich, Klein variation

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bc4