King's Pawn Opening

1.e4 e5 2.b3

ECO C20

The King's Pawn Opening is a chess opening reached after 1.e4 e5 2.b3, catalogued under code C20 in the Encyclopaedia of Chess Openings (ECO).

The defining move b3 is chosen by White on move 2.

2 named continuations branch from this position, including the Speers and the Van Hooydoon Gambit.

Named variations

• King's Pawn Opening: Speers — ECO C20
• King's Pawn Opening: Van Hooydoon Gambit — ECO C20

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.