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ECO C25-C29BlackA line in the Counter the Vienna Gambit

Learn the Vienna Gambit: 5.Qf3, 6.bxc3 (C29) line in the Counter the Vienna Gambit

When White hits our knight with 5.Qf3 we trade on c3, then develop and castle, intending ...f6 to win back the e5-pawn against White's loose, doubled-pawn structure.

The moves you’ll play

  1. 1.e4e5
  2. 2.Nc3Nf6
  3. 3.f4d5
  4. 4.fxe5Nxe4
  5. 5.Qf3Nxc3
  6. 6.bxc3Be7
  7. 7.d4O-O

The line continues — master it move by move in the app.

Your coach, move by move

  1. 1... e5We grab central space and head for our prepared Vienna lines.
  2. 2... Nf6We develop with an attack on e4, the move that invites f4.
  3. 3... d5The key counterstrike in the center, undermining e4 and opening lines.
  4. +4 more coached moves waiting in the app

Key ideas behind this line

  • Answer 3.f4 with the principled 3...d5 rather than grabbing on f4; after 4.fxe5 Nxe4 the black knight sits proudly on e4, firmly supported by the d5-pawn.
  • When White harasses the e4-knight with d3, Qf3, or the Nc3 jump, neutralize the double attack by exchanging with ...Nxc3, saddling White with doubled, weak c-pawns.
  • Use the thematic ...f5 break after ...Be7 and ...O-O to shore up the e4-knight; following exf6, recapture with the bishop for fast, harmonious development.

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More lines in this opening

Vienna Gambit Accepted: 5.Nf3 Be7 Main Line (C29)

The critical main line: instead of grabbing on f4 we counter in the center with 3...d5, win the e4-pawn, and then free our position with the ...f5/...f6 break, reaching a sound, fully equal middlegame with active pieces.

Vienna Gambit: 5.Nf3 Bg4 Pin Variation (C29)

We develop the bishop with a pin on f3, trade off White's knight to damage the queenside pawns, and keep the bishop pair with easy piece play against the doubled c-pawns.

Vienna Gambit: 5.Nf3 Be7, 6.Qe2 (C29)

Against White's 6.Qe2 we simply trade knights to wreck the queenside pawns, castle quickly, and prepare ...f6 or ...Nc6 to chip away at the e5-pawn for full equality.

Vienna Gambit: 5.Qf3 Queen-Trade Equalizer (C29)

If White recaptures with 6.dxc3 we exploit the bare f2-square with ...Qh4+ and force a queen trade with ...Qe4+; after Qxe4 dxe4 we reach a pleasant endgame and simply round up the weak e5-pawn.

Vienna Gambit: 5.d3 Variation (C29)

When White tries to evict our knight with 5.d3 we trade on c3 (since it was attacked twice), then develop and castle, with the plan ...f6 or ...Nc6 to regain the e5-pawn and reach equality.

Vienna Gambit: 5.Nxe4 Exchange Variation (C29)

After 5.Nxe4 dxe4 we get a cramping pawn on e4; we capture en passant to open lines and strip away the support of e5, then develop with ...Nc6 hitting that weak pawn for easy equality.

Vienna Gambit: 5.Qf3 with 5...f5 (C29)

An ambitious alternative to trading on c3: we defend our e4-knight with the pawn instead, keeping it active; after the en-passant recapture our knight redevelops and we get harmonious piece play with the bishop heading to d6.

Vienna Gambit: 4.exd5 Variation (C29)

If White captures with 4.exd5 we recapture the knight, trade on c3 to damage White's pawns, then castle and prepare ...f6 to win back the e5-pawn with a sound, equal position.

Vienna Game: Frankenstein-Dracula Variation (C27)

If White avoids f4 with 3.Bc4, we grab the e4-pawn and enter the sharp Frankenstein-Dracula; after Qd5 Qe7 Nxc7+ Kd8 Nxa8 b6 the knight on a8 is trapped and our two bishops plus huge center give full compensation for the exchange.

Vienna Game: Mieses (g3 Fianchetto) Variation (C26)

Against the quiet fianchetto setup we hit the center with ...d5; trading on c3 gives White doubled pawns, and we keep a strong e5-pawn, develop the bishop to d6, and castle into a slightly freer, very comfortable game.

Vienna Gambit: 5.Nf3 Bc5 (C29)

A more aggressive setup: we develop the bishop to c5 against the now-soft f2-square, retreat to b6 to keep eyeing White's center, and shore up the e4-knight with ...f5, gaining counterplay against d4 and the kingside.

Vienna Game: 3.Bc4 Nxe4, 4.Nxe4 d5 (C28)

The simple, safe answer to 3.Bc4: we take on e4, and after Nxe4 the fork ...d5 wins our piece back cleanly; we keep a healthy e5-pawn and develop naturally to full equality, avoiding the wild Frankenstein-Dracula.

Vienna Game: Quiet 3.d3 Variation (C26)

Against the slow 3.d3 we immediately break with ...d5; recapturing with the knight gives us free, harmonious development and a classical center, reaching a healthy equal middlegame with no weaknesses.

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