Home › Openings › Four Knights Game › Four Knights Game: Halloween Gambit Four Knights Game: Halloween Gambit, Oldtimer Variation ECO C47 · 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8. Qf3 f5 Related variationsFour Knights Game: Halloween Gambit, Plasma Variation Practice this opening · Play against the computer