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London System

Queen's Pawn Game: Accelerated London System: what should White play?

Best move

e3+0.09

By playing e3, you solidify your center and create a powerful "pawn chain" that protects the d4 pawn. This move also opens the diagonal for your f1, preparing for kingside…

Games played
424K
To move
White
Evaluation
+0.09
Depth
22

Why e3 is the best move

e3! — Excellent Choice!

✅ One of 5 top moves — you found a rock-solid strategy!

Why this move is excellent: By playing e3, you solidify your center and create a powerful "pawn chain" that protects the d4 pawn. This move also opens the diagonal for your f1, preparing for kingside development and castling.

Multiple Valid Strategies

This position is a "fork in the road" where five different approaches are equally viable. Whether you prefer quiet development or immediate pressure, you can't go wrong here!

MoveEvalStyle / Strategic Idea
e3+0.09Solid: Blunts the f5 and prepares development.
Nf3+0.09Flexible: Controls e5 and develops naturally.
Nd2+0.09Positional: Supports the center without blocking the c-pawn.
Qb3-0.01Aggressive: Attacks the b7 and forces a response.
Qa4-0.06Tactical: Pins the c6 to create queenside tension.

Different paths, same destination: The moves e3, Nf3, and Nd2 are all about building a sturdy foundation. In contrast, Qb3 and Qa4 are more provocative, trying to disrupt Black's coordination early. All are objectively equal, so your choice reflects a preference for a stable, classical game.

Your Continuation

After e3: e6 Nd2 Nf6 Ngf3 Bd6

What Made This Move Good

You correctly saw: That the f4 is already well-placed, so your priority should be completing your development and securing the d4 square. You didn't fall for any premature attacks and instead chose the most reliable way to maintain the balance.

📚 Takeaway: When the engine gives multiple moves the same score, trust your intuition! Whether you play for a slow squeeze or a sharp fight, consistency is key.

What else gets played here

Move choices from 424K games in the opening book, with the engine's evaluation of each.

MoveEvaluationPlayedGamesWhite score
e3Engine pick+0.090%00%
Nf3+0.090%00%
Nd2+0.090%00%
Qb3-0.010%00%
Qa4-0.060%00%

Frequently asked questions

What is the best move for White in the Queen's Pawn Game: Accelerated London System?

e3 (+0.09). By playing e3, you solidify your center and create a powerful "pawn chain" that protects the d4 pawn. This move also opens the diagonal for your f1, preparing for kingside…

Why is e3 the best move here?

By playing e3, you solidify your center and create a powerful "pawn chain" that protects the d4 pawn. This move also opens the diagonal for your f1, preparing for kingside development and castling.

How often does this position occur?

This position has been reached 424K times in the opening book.