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A10English Opening

English Opening: Great Snake Variation: what to play after g6?

Best move

Nf3+0.31

Great Snake Variation (ECO A10), White aims to establish central control while preparing development against Black's fianchetto setup. The engine's top evaluation favors Nf3…

Games played
11M
To move
White
Evaluation
+0.31
Depth
25

Game counts: Lichess opening book. Move ranking and evaluation: Stockfish. How this page is built

Why Nf3 is the best move

In the English Opening: Great Snake Variation (ECO A10), White aims to establish central control while preparing development against Black's fianchetto setup. The engine's top evaluation favors Nf3 (+0.31), which controls d4 and e5 without committing the central pawns prematurely. White also achieves a solid 52.5% score across 562K recorded games (5.3% of games) with this flexible knight deployment.

Strategic Context and Alternative Move Choices

While Nf3 scores highest by engine evaluation, the overwhelming choice across recorded games is Nc3, played in 69.1% of games (7.31M recorded) with an evaluation of +0.12 and a White score of 52.0%. White also frequently enters Queen's Pawn structures with d4 (+0.29), selected in 14.8% of games (1.56M recorded, 50.8% score). Other choices include e3 (+0.12, 8.7% of games, 48.9% score) and e4 (+0.18, 2.2% of games, 50.3% score), each shaping the central pawn structure differently against Black's flank defense.

Illustrative Continuation After Nf3

Following the engine-preferred Nf3, an illustrative continuation runs Nf3 Bg7 d4 Nf6 Nc3 d5. In this path, Black develops g7 along the long diagonal while White expands in the center with d4 and supports it using Nc3. The immediate contest revolves around the d5 and e4 squares, offering White a stable space advantage while avoiding early tactical complications.

Transpositions and Alternative Structures

Players adopting d4 typically transition into King's Indian Defense or Grünfeld-style structures, as shown in the line d4 Nf6 Nc3 d5 cxd5 Nxd5. Meanwhile, the heavily favored Nc3 often keeps the game strictly within English Opening territory, demonstrated in the engine sample Nc3 c5 e3 Nf6 d4 cxd4. These alternatives provide White ample flexibility depending on whether queen's pawn formations or asymmetrical flank play is desired.

What else gets played here

Move choices from 11M games in the opening book, with the engine's evaluation of each.

MoveEvaluationPlayedGamesWhite score
Nc3+0.1269%7.31M52%
d4+0.2915%1.56M51%
e3+0.129%920K49%
Nf3Engine pick+0.315%562K53%
e4+0.182%229K50%

Frequently asked questions

What is the best move for White in the English Opening: Great Snake Variation?

Nf3 (+0.31). Great Snake Variation (ECO A10), White aims to establish central control while preparing development against Black's fianchetto setup. The engine's top evaluation favors Nf3…

Why is Nf3 the best move here?

Great Snake Variation (ECO A10), White aims to establish central control while preparing development against Black's fianchetto setup. The engine's top evaluation favors Nf3 (+0.31), which controls d4 and e5 without committing the central pawns prematurely. White also achieves a solid 52.5% score…

How often does this position occur?

This position has been reached 11M times in the opening book.