The Halloween Gambit, Oldtimer Variation is a variation of the Four Knights Game, catalogued as ECO C47. The line runs 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8. Qf3 f5, reaching the position shown below after 16 half-moves.
White holds the centre with pawns on d4 and e5. Development is level at three minor pieces each, and Black is up two points of material. It is White to move after eight moves.
On the Four Knights Game generally: A symmetrical opening leading to equal but interesting positions. Good for beginners.
You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.
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The Halloween Gambit, Oldtimer Variation goes 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8. Qf3 f5. It is a variation of the Four Knights Game and is catalogued as ECO C47.
The Halloween Gambit, Oldtimer Variation is ECO C47. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Four Knights Game.
Stockfish evaluates the position after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8. Qf3 f5 at -0.73 at depth 18, which is a small but real edge for Black. 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.
White holds the centre with pawns on d4 and e5. Development is level at three minor pieces each, and Black is up two points of material. It is White to move.