Ruy Lopez (C61)

Bird's defense

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4

Ruy Lopez (C70)

Bird's defense deferred

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nd4

Ruy Lopez (C61)

Bird's defense, Paulsen variation

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Ne7

Bird's Opening (A02)

1. f4

Bird's Opening (A03)

1. f4 d5

Bird's Opening (A03)

Lasker variation

1. f4 d5 2. Nf3 Nf6 3. e3 c5

Giuoco Piano (C53)

Bird's attack

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4

Bird's Opening (A03)

Williams gambit

1. f4 d5 2. e4

Bird's Opening, Swiss gambit (A02)

1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4

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

KP (B00)

Neo-Mongoloid defense

1. e4 Nc6 2. d4 f6

Alekhine's defense (B03)

1. e4 Nf6 2. e5 Nd5 3. d4 d6

Two knights defense (C57)

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5

Guatemala defense (B00)

1. e4 b6 2. d4 Ba6

Alekhine's defense (B03)

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4

Two knights defense (C56)

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4