Petroff Defense
Main line: 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.O-O Be7
The Petroff Defense (1.e4 e5 2.Nf3 Nf6) answers the attack on e5 with a counterattack on e4 — symmetry with a purpose. The choice of Kramnik, Caruana and every player who wants 1.e4 neutralized: solid as granite, with more winning venom than its reputation admits.
Key ideas
- Counterattack instead of defending: 2...Nf6 makes White solve problems from move two.
- Neutralize White's initiative early and reach healthy, symmetrical-ish structures with full equality.
- Know the critical tries: the 3.Nxe5 main lines, the 3.d4 Steinitz, and the trendy 5.Nc3 attack.
- Outplay from equality: the Petroff's flat evaluations hide real chances for the better-prepared side.
Typical plans and structures
In the classical main line Black establishes the e4-knight, supports it with ...d5, and completes development with ...Nc6, ...Be7 and ...Bf5 or ...Bg4 — solid structure, active pieces, no weaknesses. White's attacking tries (opposite-side castling setups, the 5.Nc3 lines) get concrete, tested antidotes; the calm tries drift toward balanced middlegames where Black's clarity of plan tells. The course also covers the move-order nuances that keep drawish simplifications on Black's terms, not White's.
Who should play it
Players who want a dependable, low-risk answer to 1.e4 for serious games — and the patience to convert small edges from equal positions.
Frequently asked questions
Is the Petroff just a drawing weapon?
Its elite reputation says so, but below the very top it is simply a sound defense with normal winning chances — Black's position is healthy and White's forcing tries run out quickly. Caruana and Kramnik scored plenty of wins from it; club opponents pressing too hard against it lose regularly.
What is the trap every Petroff player must avoid?
The famous 3.Nxe5 Nxe4? mistake (before ...d6!): after 4.Qe2 the pin wins material — 4...Nf6?? 5.Nc6+ discovering on the queen. The correct order is 3...d6 first, kicking the knight, and only then ...Nxe4. The course drills this from move one.
How does Black handle the aggressive 5.Nc3 line?
That's White's trendiest winning attempt (covered from the other side in our Beat the Petroff course): after 5...Nxc3 6.dxc3, Black must respect the attack — timely development, accurate ...Nd7 and queenside castling decisions. This course gives the defensive scheme that keeps the balance and the counterchances.
Learn the Petroff Defense with AI feedback
This page is an interactive ChessMind AI course: a GM-authored repertoire you study move by move on a real board, then practice against a human-like AI opponent with instant feedback and spaced-repetition review, so the key positions actually stick. Prefer background reading first? Start with the Petroff Defense opening guide or browse all opening courses.