Sodium Attack: Chenoboskion Variation

1. Na3 g6 2. g4

The Sodium Attack: Chenoboskion Variation is a chess opening classified as ECO A00, reached after 1. Na3 g6 2. g4. It is a line of the Sodium Attack. Black is to move.

This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.

Engine evaluation: −1.10 (Stockfish, depth 30; best line 2… Nc6 3. d4 d5 4. h3 h5 5. Bf4)

ECO: A00
Moves: 3 plies
FEN: rnbqkbnr/pppppp1p/6p1/8/6P1/N7/PPPPPP1P/R1BQKBNR b KQkq - 0 2
PGN: 1. Na3 g6 2. g4

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Master games

1 over-the-board game is classified under this line (White 0%, draw 0%, Black 100%). The strongest:

Bryan Weisz (2069) – Alan H Morris-Suzuki (1863) 0-1 · Titled Tue 22nd Oct Late · 2024-10-22

Search all games of the Sodium Attack: Chenoboskion Variation and its sub-variations

Comes from

Sodium Attack 1. Na3

More Sodium Attack lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.