English (A36)

Symmetrical, Botvinnik system

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4

English (A36)

Symmetrical, Botvinnik system Reversed

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5

English (A37)

Symmetrical, Botvinnik system Reversed

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5

English (A26)

Botvinnik system

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4

Nimzo-Indian (E49)

4.e3, Botvinnik system

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3

QGD Semi-Slav (D44)

Botvinnik system (anti-Meran)

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4 6. e4

English (A34)

Symmetrical, Rubinstein system

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7

English (A30)

Symmetrical, hedgehog system

1. c4 c5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7

English (A35)

Symmetrical, Four knights system

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6

English (A34)

Symmetrical, Three knights system

1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 Nxd5

Four knights (C49)

Symmetrical, Maroczy system

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2

Sicilian (B25)

Closed, 6.Ne2 e5 (Botvinnik)

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e5

Sicilian (B25)

Closed, 6.f4 e5 (Botvinnik)

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5

Gruenfeld (D95)

Botvinnik variation

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6

QGD (D60)

Orthodox defense, Botvinnik variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Bd3

French (C05)

Tarrasch, Botvinnik variation

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6

Queen's Indian (E12)

4.Nc3, Botvinnik variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5

Catalan (E07)

Closed, Botvinnik variation

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Nc3 c6 8. Qd3

KGA (C36)

Abbazia defense, Botvinnik variation

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 Nd5

Nimzo-Indian (E36)

Classical, Botvinnik variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Nc6