ECO A00 · Sodium Attack

Sodium Attack

1. Na3

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Black to move. The arrow shows Stockfish’s best move.
Best move

1… e5−0.60

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sodium Attack (A00), reached after 1. Na3, Stockfish 18 recommends 1… e5 for Black. Black is slightly better (−0.60).

Top engine moves

  1. −0.601… e5 2. d4 exd4 3. Qxd4 Nc6 4. Qa4 Nf6 5. Nf3 Bc5 6. Bf4
  2. −0.361… Nf6 2. Nf3 e6 3. e3 Bxa3 4. bxa3 b6 5. d4 O-O 6. Bd3
  3. −0.361… e6 2. Nf3 Nf6 3. e3 Bxa3 4. bxa3 b6 5. d4 O-O 6. Bb2

All Sodium Attack variations (3)

Frequently asked questions

What is the best move in the Sodium Attack?
After 1. Na3, Stockfish 18 at depth 18 recommends 1… e5 for Black, continuing 2. d4 exd4 3. Qxd4 Nc6 4. Qa4 Nf6 5. Nf3 Bc5 6. Bf4. Black is slightly better (−0.60). The next best moves are 1… Nf6 (−0.36) and 1… e6 (−0.36).
Is the Sodium Attack a good opening?
Stockfish rates the position at −0.60: black is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Sodium Attack?
A00. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).