Four Knights Game: Scotch Variation

An entry in the Encyclopedia of Chess Openings (ECO C47), reached after 7 half-moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4.

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4…Bb4 3 lines
- C47 Krause Gambit +1
- C47 Oxford Gambit
4…exd4 3 lines
- C47 Belgrade Gambit +1
- C47 Schmid Defense

About this opening

Four Knights Game: Scotch Variation is an opening in the Encyclopedia of Chess Openings, classified under code C47. ECO group C (C00–C99) covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached after 7 half-moves from the starting position, with the move sequence 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4.

It belongs to the Four Knights Game family. Within that family this is a sub-variation (the Scotch Variation line).

The opening sequence in prose form: 1.e4 e5, 2.Nf3 Nc6, 3.Nc3 Nf6, 4.d4. From this position 2 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.