← Petrov's Defense

Practice: Classical Variation

The main line

White captures on e5, Black pushes d6 to win back the knight, and both sides regain material. White keeps a slight initiative with d4.

1. e4 e5
2. Nf3 Nf6
3. Nxe5 d6
4. Nf3 Nxe4
5. d4
♟

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Key strategic ideas

  • Black immediately strikes back with 2...Nf6 instead of defending the e5 pawn. This avoids the main lines of the Italian and Ruy Lopez.
  • After 3.Nxe5 d6 4.Nf3 Nxe4, both sides have traded pawns and the position is balanced. White's advantage is very small in most lines.
  • The Petrov is often used to draw with Black, but the Stafford Gambit (3...Nxe4?!) is a wild sideline where Black sacrifices more for a fierce attack. Popular in online blitz.

Common mistakes & traps

  • The Stafford Gambit (3...Nxe4 4.d4 d5 5.Nc3?! Nxc3 6.bxc3 Bf5) gives Black surprising attacking chances. Even strong players have lost to it in blitz.
  • After 3.Nxe5 d6 4.Nf3 Nxe4, beginners often play 5.Qe2? Qe7 6.d3 Nf6. Trading queens early helps Black equalise easily.

Pawn structure notes

The pawn structure is symmetrical. The e4 and e5 pawns get traded early, simplifying the game. Neither side has major structural weaknesses in most lines.

Tips

  • After 3.Nxe5 d6 4.Nf3 Nxe4, material is roughly balanced
  • White keeps a slight space advantage with d4, aiming for c4 and a queen's side initiative
  • The Petrov is notoriously drawish at grandmaster level - used to draw with Black reliably

About this line

This line is rated intermediate. Practice it repeatedly until you can play the entire sequence without thinking. The in-app trainer tracks your perfect streaks and celebrates milestones.