Chess Openings Lab
a8b7c6d5e4f3g2h1

Philidor Defense: Steinitz Variation

The Steinitz Variation is 3.Bc4 Be7 4.c3, where White prepares d4 calmly instead of pushing it at once. White aims for a classical center with d4 after castling, while Black develops with ...Nf6, ...O-O and ...c5 or ...Be6.

Moves
1.e4 e5 2.Nf3 d6 3.Bc4 Be7 4.c3
ECO
C41
Engine
+0.12 · level (Stockfish 17.1, depth 20)
Played
984 games in our lichess sample
White scores
54.4%

Key ideas for both sides

White

  • Play d3 and a4 for a slow Italian-style setup, as the engine prefers.
  • Prepare d4 with O-O and Re1, as in the second engine line, to build a full center.
  • Against ...Nc6, play Qb3 to hit f7 and b7 at once.
  • Keep the bishop on c4 and use Ng5 ideas against f7 when Black castles.

Black

  • Develop with 4...Nf6 and ...O-O, then use ...Be6 to trade White's c4 bishop.
  • Play ...c5 to gain space and keep d4 under control.
  • Answer d4 with ...exd4 and cxd4, then use ...Re8 and ...Nb6 against the center.
  • Avoid 4...Nc6, since Qb3 hits f7 and b7.

Plans and pawn structure

The structure is quiet: c3, d3 and e4 against e5, or a full d4 center after O-O and Re1. White plays a4, Nbd2 and Ng5 ideas, aiming at f7 and the light squares. Black plays ...Nf6, ...O-O, ...Be6 and ...c5, then ...Nc6 or ...Nbd7. Neither side is weak, and the game is about piece placement.

Where the engine's main line heads: Quiet center: c3–d3–e4 against e5. A slow center: White has c3, d3 and e4 against e5. Nobody is in a hurry, and the d3–d4 break decides when the game opens.

What the engine plays from here

Stockfish 17.1 at depth 20 rates the position +0.12: level. Its three top choices for Black:

  1. +0.12 4...Nf6 5.d3 O-O 6.a4 Be6 7.Nbd2
  2. +0.43 4...Nd7 5.O-O Ngf6 6.Re1 O-O 7.d4
  3. +0.52 4...Nc6 5.Qb3 Nh6 6.d4 O-O 7.Bxh6

Pawns, from White's side.

How it scores on lichess

984 rated lichess games reached this position; White scored 54.4%.

1200–159952.2%
1600–199955.0%
2000 and up55.6%

Light: White wins. Grey: draws. Dark: Black wins. About the sample.

How to play against it

As Black, play 4...Nf6 and castle. Trade the c4 bishop with ...Be6 when possible. Avoid ...Nc6 because of Qb3. Keep e5 solid and use ...c5 to stop d4.

Questions

What are the moves of the Philidor Defense: Steinitz Variation?

The Philidor Defense: Steinitz Variation starts 1.e4 e5 2.Nf3 d6 3.Bc4 Be7 4.c3. Its ECO code is C41.

Is the Philidor Defense: Steinitz Variation good for White?

Stockfish 17.1 rates the position +0.12 at depth 20, which is level. In 984 lichess games from our sample, White scored 54.4%. A solid, low-risk choice for White players who like slow buildups, while Black needs careful development and the ...Be6 trade.

What is the main idea of the Philidor Defense: Steinitz Variation?

White prepares d4 with c3 and keeps the position quiet. Black develops with ...Nf6, ...O-O and ...Be6, aiming to trade the c4 bishop.

What should Black play next?

The engine's first choice is Nf6, with Nd7 and Nc6 close behind. 4...Nf6 develops and prepares short castling.

Updated October 2026. Sources and method.