The Vienna Gambit, Paulsen Attack is a variation of the Vienna Game, catalogued as ECO C29. The line runs 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3, reaching the position shown below after 9 half-moves.
Both sides have pawns in the centre (White on e5, Black on d5). Development is level at one minor pieces each. It is Black to move after five moves.
On the Vienna Game generally: White delays Nf3 in favor of Nc3, keeping options open for a kingside attack with f4.
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The Vienna Gambit, Paulsen Attack goes 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3. It is a variation of the Vienna Game and is catalogued as ECO C29.
The Vienna Gambit, Paulsen Attack is ECO C29. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Vienna Game.
Stockfish evaluates the position after 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 at -0.23 at depth 18, which is balanced. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
Both sides have pawns in the centre (White on e5, Black on d5). Development is level at one minor pieces each. It is Black to move.