Chess Openings - Vienna Game

Vienna Game

The Vienna Game begins with ♘c3 on the second move, after e4 and ... e5. White develops the queen's knight before deciding where the other pieces belong, so the knight on g1 stays flexible and the f-pawn keeps the option of advancing.

The original idea was a delayed King's Gambit: White prepares f4 with the knight already developed on c3, so that the move e5 is supported and the knight watches the d5 and e4 squares. Modern players often prefer quieter setups with ♗c4 or g3, but the f4 break remains the main theme of the opening.

The Vienna gives White several practical advantages:

• it avoids the heavy theory of the Ruy Lopez and the Italian Game, while still developing naturally;
• it offers both an aggressive plan (the gambit with f4) and a positional plan (the fianchetto with g3);
• it transposes easily: ♘f3 leads to the Three Knights or the Four Knights, and some lines reach the King's Gambit;
• Black must know which reply fits the position, because the natural-looking moves are not all equally good.

According to Modern Chess Openings, the Vienna leads to equality with best play, but the positions are rich enough to give White good practical chances.

Vienna Gambit

The Vienna Gambit arises after f4, White's most ambitious continuation:

A note on the name: traditionally the term "Vienna Gambit" refers to the move order 2... ♞c6 3. f4, while 2... ♞f6 3. f4 is the Falkbeer Variation. In practice, both are called the Vienna Gambit, and the version with ♞f6 is far more common. This section treats 2... ♞f6 as the main line and covers the 2... ♞c6 version at the end of the section.

Black has four principal ideas:

• 3... d5, the counterattack, which is Black's best and most popular reply;
• 3... exf4, accepting the pawn, which is dubious because of e5;
• 3... d6, the solid decline, which leads to a King's Gambit Declined structure;
• 3... ♞c6, which is weak.

Declined: 3... d5

The move 3... d5 strikes at the center immediately, in the spirit of the Falkbeer Countergambit of the King's Gambit. Black does not defend the e5 pawn; Black attacks the e4 pawn instead.

White's best reaction is the principled fxe5, and after ... ♞xe4 the game enters the classical main line. White has three natural fifth moves: ♘f3, ♕f3, and d3. The first two are the most important.

The alternatives on move four are less testing:

• 4. exd5 allows 4... ♞xd5, and after 5. ♘xd5 ♛xd5 Black is fine; after 5. fxe5 ♞xc3 6. bxc3 ♛h4+ White must either lose a rook or play 7. Ke2. Black may also transpose to King's Gambit lines with 4... exf4 or to the Falkbeer with 4... e4;
• 4. d3 is the Steinitz Variation, usually met by 4... exf4 or 4... d4.

The traditional main move ♘f3 develops the knight and prepares to complete development quickly. Black's most common reply is ... ♝e7.

White obtains open lines and attacking chances on the kingside, most often with h4 played on the tenth move or later. Black usually holds the balance with accurate play and looks for counterplay on the queenside, frequently with ... ♛a5 at some point.

The variation has several branches:

• 6. d4 is a common deviation, usually continuing 6... O-O 7. ♗d3 f5;
• Black can also play 6... f5 instead of capturing on c3;
• White can castle short with 7. O-O instead of recapturing with the d-pawn;
• instead of 5... ♝e7, Black has 5... ♞c6, 5... ♝c5 (threatening ... ♝f2+), and 5... ♝g4, which usually continues 6. ♕e2.

The traditional 5. ♘f3 has not brought White much success at the highest level, because Black usually equalizes. It remains a solid practical choice, especially against opponents who do not know this line.

The more aggressive alternative is to bring the queen out at once with ♕f3. White attacks the knight on e4 and eyes f7.

The queens are exchanged, and the game continues with White choosing between two ideas:

• 10. ♗xc6, inflicting doubled pawns on Black before the knight can be reinforced with 10... ♝d7;
• 10. ♘e2, allowing 10... ♝d7, and then often 11. ♗xc6 ♝xc6 anyway.

Black has alternatives on the fifth move: 5... ♞xc3 (usually 6. bxc3 d4 7. ♘f3 ♞c6) and 5... f5. White can also choose the less common 6. ♘xe4, which Black answers with 6... ♞d4, attacking the queen and threatening a fork on c2. The line typically continues 7. ♕c3 dxe4 8. ♘e2 with Black regaining the piece.

This attack leads to a quieter endgame than the traditional variation, because queens disappear early, but White keeps a lead in development for a few moves.

The move 3... d6 is the only sound alternative to 3... d5. It leads to the King's Gambit Declined, and White usually continues 4. ♘f3.

The threat is ♗xc6 followed by fxe5, which would win a pawn because ... dxe5 allows ♘xe5. Black has no better option than to take on f4, and White has a pleasant position with more space and easy development. The structure is passive for Black, and White is the one who dictates the play.

The move 3... ♞c6 looks natural but is weak:

White gains time against both knights. After 5. d4 the central knight must retreat, and 6. e5 then kicks the f6-knight back as well, with a strong attack. The same happens after 5... ♞g6 6. e5.

Accepted: 3... exf4

The greedy reply is to take the pawn. The standard reply is then e5:

The pawn on e5 forces the knight back to its starting square. Compare the position with the ordinary King's Gambit Accepted: White has obtained ♘c3 and e5 for free, while Black has spent two moves on the knight. The move 5. ♘f3 also prevents ... ♛h4+, which would stop White from castling.

Black keeps the extra pawn for now, but is behind in development. A sample continuation:

White has recovered the central pawn and has a lead in development and more space. The extra pawn on f4 is not easy to keep, and the position is generally considered more comfortable for White. This is the main reason why the accepted gambit is not recommended for Black.

Black's alternative on the fourth move is even weaker:

After 4... ♛e7 5. ♕e2, Black has to retreat the knight anyway. If Black then plays the natural 6... d6?, the reply 7. ♘d5! attacks the queen and the c7-square. The natural 7... ♛d7? loses to 8. ♘xc7+ ♛xc7 9. exd6+, a discovered check on the e-file that also attacks the queen. The better 6... ♛e6 avoids the trap, but White is still clearly better.

With ♞c6 instead of ♞f6, there is no e5 to kick the knight, and accepting the pawn is more reasonable. White then chooses between several sharp gambits. They are mostly of historical interest, because modern engines do not favor White, but they remain dangerous surprise weapons against unprepared opponents.

• 4. ♘f3 g5 5. h4 g4 6. ♘g5. The knight sacrifice resembles the Allgaier Gambit of the King's Gambit, but here White cannot play ♘e5 because of the knight on c6;
• 4. ♘f3 g5 5. ♗c4 g4 6. O-O, sacrificing the knight on f3 for a powerful attack after 6... gxf3 7. ♕xf3;
• 4. ♘f3 g5 5. d4 g4 6. ♗c4, usually continuing 6... gxf3 and then 7. O-O or 7. ♕xf3;
• 4. d4, allowing 4... ♛h4+ 5. Ke2, so that White's king becomes a fighting piece.

♗c4

The quieter way to play the Vienna is to develop the bishop with ♗c4. The position can also arise from the Bishop's Opening.

Black's most testing reply is 3... ♞xe4. White should not recapture with the knight: 4. ♘xe4? permits 4... d5, which forks the bishop and the knight and regains the piece with an extra central pawn. White plays 4. ♕h5 instead, threatening ♕xf7# and attacking the e5-pawn at the same time. Black almost always replies 4... ♞d6, and after 5. ♗b3 there are two main paths.

The quiet path is the Alekhine Variation:

White regains the pawn, and the resulting position is quiet and roughly balanced. The complicated path is the Frankenstein-Dracula Variation, named by the theorist Tim Harding:

White has captured the rook, but the knight on a8 is trapped and the black king is exposed in the center. The position is extremely sharp and has been analyzed deeply, so any player who chooses it must know the details.

White can also trade queens with 5. ♕xe5+ ♛e7 (5... ♝e7 allows 6. ♕xg7). Against other third moves, Black has 3... ♞c6, usually continuing 4. d3 (the Berlin-Vienna Hybrid), 3... ♝c5, and 3... ♝b4, after which 4. f4 ♞xe4 5. ♕h5 O-O leads to wild but probably equal play.

3. g3

The fianchetto is the modern, strategic treatment of the Vienna. White does not open the position at once, but places the bishop on the long diagonal and prepares the f4 break at the right moment.

After the exchange on c3, White has a solid center and the bishop on g2 eyes the b7-pawn. Black usually continues with 6... ♝d6, 6... ♞c6, or 6... ♝c5. The position is quieter than the gambit lines, and it suits players who prefer maneuvering to memorizing.

Black can avoid the exchanges with the quieter 3... ♝c5 or 3... ♞c6. In those lines White often plays ♗g2 and ♘ge2, and prepares f4 when the position allows it.

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