Caissa Codex
A00

Sodium Attack: Chenoboskion Variation

Chess diagram: Sodium Attack: Chenoboskion Variation after 2. g4

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Statistics from Lichess

53 games: White 45.3% / Draw 3.8% / Black 50.9%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
4545
33
22
11
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11

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

−1.30 Black is better

Best play: 2... d5 3. g5 h6 4. d4 hxg5 5. Bxg5 Nf6 6. Bg2 Ne4 7. h4

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Sodium Attack: Chenoboskion Variation (ECO A00, Flank Openings) is a variation of the Sodium Attack, reached after 1. Na3 g6 2. g4 (2 moves).

In 53 rated Lichess games between players rated 1600 to 2500, White won 45.3%, Black 50.9% and 3.8% were drawn. Black's most played move here is 2…Bg7, in 85% of those games. That is too few games for the percentages to mean much.

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Other lines from the same position

Instead of 1…g6 2. g4, the position after Sodium Attack also goes on to:

Cite this page

Caissa Codex. “Sodium Attack: Chenoboskion Variation (A00)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/sodium-attack-chenoboskion-variation

https://chesscodex.org/openings/sodium-attack-chenoboskion-variation