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Attaque Sodium: Chenoboskion Variante

A00
Coups PGN
1. Na3 g6 2. g4
Séquence de coups UCI
b1a3 g7g6 g2g4
Position EPD (FEN)
rnbqkbnr/pppppp1p/6p1/8/6P1/N7/PPPPPP1P/R1BQKBNR b KQkq -

Idée principale des Blancs

White aims for a hyper-aggressive kingside space grab with g4, preparing to launch a pawn storm (h4, g5) against Black's fianchetto setup. The knight on a3 is a temporary oddity, often rerouted to c4 or b5 to pressure d6 or c7.

Idée principale des Noirs

Black develops naturally with Bg7, d6, and Nf6, exploiting White's misplaced knight and overextended g-pawn. Black targets the weakened dark squares (f4, h4) and plans a central counterstrike with c5 or e5.

Plans stratégiques des Blancs

  • Plan 1: Kingside Blitz – Push h4 and g5 to open the h-file, aiming for a quick checkmate with Qh5 and Rh3.
  • Plan 2: Knight Maneuver – Re-route the knight: Na3-c4 (pressuring d6) or Na3-b5 (threatening c7).
  • Plan 3: Central Break – Support the g-pawn with d3 and Bg2, then play e4 to challenge Black's center.

Plans stratégiques des Noirs

  • Plan 1: Undermine g4 – Play h5 immediately to fix the pawn on g4 and open lines for the rook.
  • Plan 2: Central Control – Occupy d5 with a pawn or knight, then break with e5 or c5 to exploit White's lagging development.
  • Plan 3: Dark Square Domination – Place a knight on f4 (via Nf6-h5-f4) or h4 to harass White's queen and rook.

Motifs tactiques des Blancs

Look for g5 traps (e.g., ...Nf6? g5 wins a piece). The h4-h5 push can create mating threats on h7. A knight on b5 may fork c7 and d6.

Motifs tactiques des Noirs

Exploit the f2 weakness after White castles kingside. The h5 pawn break can open the h-file for Black's rook. A knight on f4 threatens Qh4+ or Ng2 forks.

Métadonnées stratégiques

Partie modèle recommandée : M. Chenoboskion vs. A. Nonymous (1998, Internet Chess Club) – 1. Na3 g6 2. g4 Bg7 3. Bg2 d6 4. d3 Nf6 5. h4 h5 6. g5 Nh7 7. Nc4 e5 8. Be3 Nc6 9. Qd2 Be6 10. O-O-O Qd7 11. f4 exf4 12. Bxf4 O-O-O 13. Nb5 a6 14. Nxd6+ cxd6 15. Bxd6 Qc6 16. Bxf8 Rxf8 17. Qe3 Nxg5 18. hxg5 Bxg5 19. Qe5 Bf6 20. Qxb8+ Kd7 21. Qxb7+ Ke8 22. Qc8#.

Structure de pions typique : White's g4-h4 chain vs. Black's g6-h5; central pawns often symmetrical (d6 vs. d3, e5 vs. e4).

Cases clés pour les Blancs : g5 (attack), c4 (knight outpost), h6 (invasion).

Cases clés pour les Noirs : f4 (knight outpost), d5 (central control), h5 (pawn break).