King's Pawn Game: Mengarini's Opening

1.e4 e5 2.a3

ECO C20

The King's Pawn Game: Mengarini's Opening is a chess opening line in the King's Pawn Game complex, reached after 1.e4 e5 2.a3.

It is catalogued under code C20 in the Encyclopaedia of Chess Openings (ECO).

The defining move a3 is chosen by White on move 2.

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.