Robatsch defense (B06)

1. e4 g6 2. d4 Bg7 3. Nc3

Robatsch (Modern) defense (B06)

1. e4 g6 2. d4 Bg7 3. Nc3 d6

Robatsch (Modern) defense (B06)

1. e4 g6

Robatsch (Modern) defense (B06)

1. e4 g6 2. d4 Bg7

Robatsch defense (B06)

Three pawns attack

1. e4 g6 2. d4 Bg7 3. f4

Robatsch defense (B07)

Geller's system

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3

Robatsch defense (B06)

Two knights variation

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3

Robatsch defense (A41)

Rossolimo variation

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c4 Bg4

Robatsch defense (B06)

Gurgenidze variation

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5

Robatsch defense (B06)

Two knights, Suttles variation

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6

Robatsch defense (B06)

Pseudo-Austrian attack

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4

KGA (C36)

Abbazia defense (Classical defense, Modern defense[!])

1. e4 e5 2. f4 exf4 3. Nf3 d5

Two knights defense (C57)

Fegatello attack, Polerio defense

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Ne7

Ruy Lopez (C79)

Steinitz defense deferred (Russian defense)

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6

Three knights (C46)

Winawer defense (Gothic defense)

1. e4 e5 2. Nf3 Nc6 3. Nc3 f5

Alekhine's defense (B02)

Brooklyn defense

1. e4 Nf6 2. e5 Ng8

Philidor's defense (C41)

1. e4 e5 2. Nf3 d6 3. d4

Hungarian defense (C50)

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7

Philidor's defense (C41)

1. e4 e5 2. Nf3 d6

Two knights defense (C55)

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6