Petrov's Defense: Classical Attack, Jaenisch Variation trainer
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Practise the Petrov's Defense: Classical Attack, Jaenisch Variation
Play White's moves of the line from memory —
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 — and the trainer plays
Black's replies; "Play the other side" turns it around.
"Drill all" adds the 2 named lines that continue it, such as Petrov's Defense: Classical Attack, Chigorin Variation, Main Line, Petrov's Defense: Classical Attack, Chigorin Variation, Browne Attack.
Read about the line, its statistics on Lichess and Stockfish's evaluation on the Petrov's Defense: Classical Attack, Jaenisch Variation page, or pick another opening in the opening trainer.