Sodium Attack
1. Na3
The Sodium Attack is a chess opening classified as ECO A00, reached after 1. Na3. Black is to move. 3 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 1,106 times by this move order. White won 41%, 6% were drawn and Black won 53%. The most popular continuation is 1… e5 (41% of games).
Engine evaluation: −0.52 (Stockfish, depth 46; best line 1… e5 2. d4 exd4 3. Qxd4 Nf6 4. Nb5)
- ECO
- A00
- Moves
- 1 plies
- FEN
rnbqkbnr/pppppppp/8/8/8/N7/PPPPPPPP/R1BQKBNR b KQkq - 1 1- PGN
1. Na3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 630 | |
| 1500-1999 | 298 | |
| 2000+ | 178 | |
| All | 1,106 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 1… e5 | 458 (41%) | |
| 1… d5 | 240 (22%) | |
| 1… e6 | 83 (8%) | |
| 1… Nf6 | 69 (6%) | |
| 1… c5 | 39 (4%) | |
| 1… g6 | 36 (3%) | |
| 1… c6 | 35 (3%) | |
| 1… Nc6 | 34 (3%) |
Master games
293 over-the-board games are classified under this line (White 59%, draw 9%, Black 32%). The strongest:
- GM Magnus Carlsen (2833) – GM Jeffery Xiong (2636) 1-0 · Titled Tue 11th Mar Late · 2025-03-11
- GM Magnus Carlsen (2834) – GM Sahaj Grover (2484) 1-0 · PRO League Group Stage · 2018-02-28
- GM Dmitry Andreikin (2729) – GM Peter Prohaszka (2585) 1-0 · Titled Tue 23rd May Late · 2023-05-23
- GM Magnus Carlsen (2839) – GM Sahaj Grover (2471) 1-0 · Titled Tue 14th Oct 2025 · 2025-10-14
- IM Nikoloz Petriashvili (2484) – GM Erigaisi Arjun (2776) 1-0 · Titled Tue 8th Jul Late · 2025-07-08
Search all games of the Sodium Attack and its sub-variations
Highest-rated Lichess games
- July16Q (2628) – Cerrh34 (2716) 0-1 · 2026-09-01 · 180 + 0s
- July16Q (2636) – SackOnTheKing930 (2705) 0-1 · 2026-09-02 · 180 + 0s
- July16Q (2670) – madcap_tr (2663) 0-1 · 2026-09-05 · 180 + 0s
Continuations
- Sodium Attack: Chenoboskion Variation A00 · 1. Na3 g6 2. g4
- Sodium Attack: Durkin Gambit A00 · 1. Na3 e5 2. Nc4 Nc6 3. e4 f5
- Sodium Attack: Celadon Variation A00 · 1. Na3 e5 2. d3 Bxa3 3. bxa3 d5 4. e3 c5 5. Rb1
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.