ECO A27

English Opening: King's English Variation, Three Knights System

English Opening: King's English Variation, Three Knights System is a chess opening classified under ECO A27. Its defining line here is 1. c4 e5 2. Nc3 Nc6 3. Nf3.

English Opening: King's English Variation, Three Knights System — board position♜♝♛♚♝♞♜♟♟♟♟♟♟♟♞♟♟♞♞♟♟♟♟♟♟♟♜♝♛♚♝♜

1. c4 e5 2. Nc3 Nc6 3. Nf3

Explore this opening ▸Add to my repertoireOpen in analysis

The diagram shows the position after 1. c4 e5 2. Nc3 Nc6 3. Nf3. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

Part of