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Sodium Attack: Chenoboskion Variation
Na3 g6 g4White-led opening. The named position is usually reached after Na3 g6 2. g4 and tends to produce flexible practical play.
Theory 32
Games 68K
Family Sodium Attack
Opening Profile
Sharpness56
Solidity56
Counterplay56
BeginnerAccessible as an early repertoire option because the plans are visible without a huge theory burden.
ClubReliable club opening once you know the first branching points and the main middlegame plan.
AdvancedMore of a practical repertoire branch than a lifetime theory project, but still worth knowing well.
White-led opening. The named position is usually reached after Na3 g6 2. g4 and tends to produce flexible practical play.
Variations
White's Plans
Convert the first-move initiative into either central space or cleaner piece activity before the position settles.
Improve the worst-placed piece first so the opening edge turns into a usable middlegame advantage.
Black's Plans
Challenge White's structure before the first-move edge becomes a free space advantage.
Use the long diagonal as a real source of pressure rather than a decorative setup move.
Accept a little structural risk if it buys piece activity and practical initiative.
Win Rate Across All Games
59.8% White5.2% Draw35% Black
68K
Games
32
Theory Depth
3
Main Line Ply
Typical Structures
Fianchetto-based structure where the long diagonal does a large share of the strategic work.
The center often stays fluid so one side can challenge it later rather than fixing it immediately.
Key Motifs
Long-diagonal tactics against the center or king once the pawn shield loosens.
Long-diagonal fights where one side's center becomes the long-term target.
Balanced middlegames where transpositions and move-order nuance matter more than memorized traps.
Key Lines
Sodium AttackNamed continuation in the same opening family.
Na3What Usually Goes Wrong
If the central break never lands on time, the position can become strategically unpleasant very quickly.
The named entry arrives early, so opponents may reach the same structure from a different move order.
Move Order & Transpositions
Known as the Chenoboskion Variation branch inside the Sodium Attack family.
This named entry appears early, so many practical games continue by transposition after the listed move order.
This page combines catalog reference data with ChessRef study notes rather than a fully expanded guide.
How to Prepare
Memorize the first 3 ply and the first branching decision, not just the catalog name.
Review the related openings and transpositions so alternate move orders do not hide the same structure from you.
Collect a few of your own games in the line and annotate the middlegame plans before adding more theory.
It stops fitting if you want White to force the game immediately instead of building the edge step by step.
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