Home › Openings › Four Knights Game Four Knights Game: Glek System ECO C47 · 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Related variationsFour Knights Game: Gunsberg VariationFour Knights Game: Halloween GambitFour Knights Game: Italian VariationFour Knights Game: Scotch VariationFour Knights Game: Spanish VariationFour Knights Game: Scotch Variation AcceptedFour Knights Game: Naroditsky Variation Practice this opening · Play against the computer