C43 — Petrov's Defense: Modern Attack
Open Games & French (C00–C99)
1. e4 e5 2. Nf3 Nf6 3. d4
Full page: Petrov's Defense: Modern Attack →ECO C43 covers Petrov's Defense: Modern Attack and related lines (Petrov's Defense: Modern Attack, Petrov's Defense: Modern Attack, Symmetrical Variation, Bishop's Opening: Urusov Gambit, Petrov's Defense: Modern Attack, Center Variation). Main line 1. e4 e5 2. Nf3 Nf6 3. d4 with variations, statistics, and the best responses.
12 lines under C43
Petrov's Defense: Modern Attack
1. e4 e5 2. Nf3 Nf6 3. d4
Petrov's Defense: Modern Attack
1. e4 e5 2. Nf3 Nf6 3. d4 exd4
Petrov's Defense: Modern Attack, Symmetrical Variation
1. e4 e5 2. Nf3 Nf6 3. d4 d5
Bishop's Opening: Urusov Gambit
1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3
Petrov's Defense: Modern Attack, Center Variation
1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3
Petrov's Defense: Modern Attack, Murrey Variation
1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nc6
Bishop's Opening: Urusov Gambit, Keidansky Gambit
1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4
Petrov's Defense: Modern Attack, Center Attack
1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4
Petrov's Defense: Modern Attack, Steinitz Variation
1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2
Petrov's Defense: Modern Attack, Tal Gambit
1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Bb5
Petrov's Defense: Modern Attack, Bardeleben Variation
1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2 Nc5 6. Nxd4 Nc6
Petrov's Defense: Modern Attack, Trifunovic Variation
1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O O-O 7. c4 Bxe5