English Opening: King's English Variation

An entry in the Encyclopedia of Chess Openings (ECO A20), reached after 2 half-moves: 1. c4 e5.

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2.Nc3 34 lines
2.Nf3 2 lines
- A20 Nimzowitsch Variation
- A20 Nimzowitsch-Flohr Variation
2.e3 1 line
- A20 Kahiko-Hula Gambit

About this opening

English Opening: King's English Variation is an opening in the Encyclopedia of Chess Openings, classified under code A20. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 2 half-moves from the starting position, with the move sequence 1. c4 e5.

It belongs to the English Opening family. Within that family this is a sub-variation (the King's English Variation line).

The opening sequence in prose form: 1.c4 e5. From this position 3 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.