English Opening: King's English Variation: what to play after Nf6?

In the English Opening: King's English Variation, White has prepared the kingside fianchetto and achieves the most natural setup with Bg2. This development places immediate pressure along the long diagonal and carries an engine evaluation of +0.20 across 3,481,548 recorded games in the database. Developing the bishop to g2 enables early kingside castling while keeping maximum flexibility for White's central pawns and queenside minor pieces.

Development with Bg2

The primary strategic idea behind Bg2 is to activate the light-squared bishop along the h1-a8 diagonal without committing the central pawns prematurely. An illustrative engine continuation features Bg2 Bc5 Nc3 c6 e3 Bb6, where Black develops actively toward the center and White prepares a flexible pawn front with e3 and c4. By delaying the advance of the d-pawn, White maintains options to strike with either d4 or a slower setup based on d3.

Alternative continuations

White also holds viable alternatives that develop other sectors of the board. The flexible knight development Nc3 evaluates at +0.15, leading into variations such as Nc3 Bb4 Bg2 O-O e4 Bxc3, where Black seeks to double White's c-pawns in exchange for the bishop pair. A solid, restrained approach is d3 (+0.08), which can lead to d3 Bb4+ Nd2 O-O a3 Bxd2+.

Dubious sidelines

Moves that delay completing the fianchetto or misplace key pieces yield lower assessments. The immediate Nf3 evaluates at +0.03, allowing Black to contest the center directly through Nf3 e4 Nh4 c6 d3 d5. An early queen sortie such as Qa4 rates poorly at -0.25, ceding time after Qa4 Bc5 Bg2 O-O d3 Re8, where Black develops smoothly while White's queen lacks immediate targets.