Chess Openings Lab
a8b7c6d5e4f3g2h1

Vienna Game: Stanley Variation

The Stanley Variation is 2...Nf6 3.Bc4, putting the bishop on c4 toward f7 before committing the g1 knight. Black can develop with ...Bc5 or ...Nc6, pin with ...Bb4, or grab the e4 pawn with ...Nxe4 for a tactical fight.

Moves
1.e4 e5 2.Nc3 Nf6 3.Bc4
ECO
C26
Engine
−0.02 · level (Stockfish 17.1, depth 20)
Played
8,757 games in our lichess sample
White scores
52.4%

Key ideas for both sides

White

  • After ...Bc5, play d3, Nf3 and a4 to give the bishop room and gain queenside space.
  • Against ...Nc6, play d3 and Nge2, so the f-pawn stays free for an f4 push.
  • If Black plays ...Nxe4, Qh5 threatens Qxf7 mate and forces a precise defense.
  • Against ...Bb4, jump Nd5 to trade knights and keep the bishop pair.

Black

  • ...Bc5 mirrors White's bishop and leads to a quiet, equal Italian-style game.
  • ...Nc6 followed by ...Na5 hunts down and trades off White's strong c4 bishop.
  • ...Bb4 pins the c3 knight, and after Nd5, ...Nxd5 and castling keep the game balanced.
  • ...Nxe4 is the forcing try, but Black must know the ...Nd6 answer to Qh5.

Plans and pawn structure

In the ...Bc5 lines, both sides build slowly: White plays d3, Nf3, a4 and castles, while Black plays ...c6, ...d6 and castles with plans of ...d5 or ...b5. In the ...Nc6 and ...Na5 lines, Black hunts the c4 bishop and White aims for f4 with the knight on e2 or g3. The ...Nxe4 line is a separate tactical world around f7. The structure in most lines stays e4 against e5.

Where the engine's main line heads: Open game: e4 against e5. An open game: e4 against e5. Development, the f7 and f2 squares, and the d4 or d5 break are what count.

What the engine plays from here

Stockfish 17.1 at depth 20 rates the position −0.02: level. Its three top choices for Black:

  1. −0.02 3...Bc5 4.d3 c6 5.Nf3 d6 6.a4
  2. +0.09 3...Nc6 4.d3 Na5 5.Nge2 Bc5 6.O-O
  3. +0.12 3...Bb4 4.Nd5 Nxd5 5.Bxd5 O-O 6.c3

Pawns, from White's side.

How it scores on lichess

8,757 rated lichess games reached this position; White scored 52.4%.

under 120051.2%
1200–159952.8%
1600–199952.1%
2000 and up55.9%

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

Traps and pitfalls

Vienna Game Qxf7 mate (White sets it)

In the Vienna Game, Black takes the e4 pawn and White answers 4.Qh5, hitting f7. If the knight retreats with 4...Nf6, it also attacks the queen but leaves f7 open, and 5.Qxf7# is mate.

a8b7c6d5e4f3g2h1

The Vienna Game Qxf7 mate explained

Where it goes next

How to play against it

As Black, the safest choice is ...Bc5 or ...Nc6, with normal development and short castling. If you take on e4, know the defense with ...Nd6 against Qh5. Never leave f7 short of defenders while White's queen and bishop aim at it.

Questions

What are the moves of the Vienna Game: Stanley Variation?

The Vienna Game: Stanley Variation starts 1.e4 e5 2.Nc3 Nf6 3.Bc4. Its ECO code is C26.

Is the Vienna Game: Stanley Variation good for White?

Stockfish 17.1 rates the position −0.02 at depth 20, which is level. In 8,757 lichess games from our sample, White scored 52.4%. A flexible Vienna for White players who like both quiet and tactical games, and Black must decide early how much risk to take.

What is the main idea of the Vienna Game: Stanley Variation?

White develops the bishop to c4 aiming at f7 before deciding on the g1 knight. Black chooses between quiet development with ...Bc5 or ...Nc6, a pin with ...Bb4, or the sharp ...Nxe4.

What should Black play next?

The engine's first choice is Bc5, with Nc6 and Bb4 close behind. ...Bc5 develops actively and avoids the tactics around e4 and f7.

Updated October 2026. Sources and method.