King's Pawn Game: MacLeod Attack

An entry in the Encyclopedia of Chess Openings (ECO C20), reached after 3 half-moves: 1. e4 e5 2. c3.

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2…d5 1 line
- C20 Norwalde Gambit
2…f5 1 line
- C20 Lasa Gambit

About this opening

King's Pawn Game: MacLeod Attack is an opening in the Encyclopedia of Chess Openings, classified under code C20. 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 3 half-moves from the starting position, with the move sequence 1. e4 e5 2. c3.

It belongs to the King's Pawn Game family. Within that family this is a sub-variation (the MacLeod Attack line).

The opening sequence in prose form: 1.e4 e5, 2.c3. From this position 2 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.