1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 opens the English Opening: King's English Variation, Closed System, Full Symmetry, ECO A26. With 54,018 games on record, the patterns below come from the largest practical sample available.
History and Notable Players
It arises from the English Opening: King's English Variation, Reversed Closed Sicilian. On the White side, Normunds Miezis (31 games), Istvan Csom (14 games), Ian Snape (11 games) top the database. Notable Black exponents: Eirik Gullaksen (8 games), Joseph G Gallagher (8 games), Sasa Martinovic (8 games).
Performance Across Rating Levels
Popularity and results vary sharply by rating level. Among 1200-rated players, it appears in 0.00% of games — 849 of them on record — with White winning 52.5% and Black 43.8%. At 1800 the opening surfaces in 0.00% of games; White wins 46.3%, Black 48%, draws 5.7%. At 2500, 0.01% of games go into this opening; draws sit at 11% — the line is well-mapped at this level. White's edge erodes by 5.4pp from 1200 to 2500 Elo, suggesting Black's counterplay is easier to find with experience.
Move Diversity and Theory Depth
Looking at move selection shows how forcing — or not — the position really is. At 1200 Elo (849 games), the top reply is Nf3, played 59.4% of the time. Three other moves each take at least 5% of games, and the top three moves account for 79.9% of games. Entropy: 2.17. By 2500 (1,576 games), e4 takes over as the top reply at 34.2%; three other moves reach 5% and the top three moves account for 78.2% of games. Entropy rises to 2.34. Even elite players don't fully agree on the best continuation here, which keeps the position dynamic.
Common Mistakes
- Playing outside main lines — At 1000 Elo, only 77.7% of games stay with the three most-played moves; at 2000 that climbs to 82.9%. Most of the gap is players who pick a reasonable-looking move over the best one, and the position quietly drifts.
- Neglecting development — Extra pawn moves in the opening are tempting, especially when you "know the moves". Developing a piece each turn is the simple correction.
- Ignoring the kingside attack — In sharp Sicilian lines, White typically castles long and pushes the h-pawn. Without your own counterplay on the queenside or in the centre, White's attack lands first.
Practice on Chessiverse
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