Theoria
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Grünfeld Defense

Opocensky Variation

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  1. 1.d4Nf6
  2. 2.c4g6
  3. 3.Nc3d5
  4. 4.Nf3Bg7
  5. 5.e3O-O
  6. 6.Bd2
521 games46%48%

A quiet Grünfeld Defense line in which White, after 4. Nf3 Bg7 5. e3 O-O, develops the queen's bishop modestly with 6. Bd2; it is rarely played.

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About the Opocensky Variation

The Opocensky Variation comes from the quiet 5. e3 branch of the Three Knights Grünfeld. With the c1-bishop already shut in by e3, White develops it modestly with 6. Bd2, inside the pawn chain. Black most often hits the center with 6...c5. The main alternatives are 6...Bg4 and 6...c6, and the latter has scored well for Black. The engine rates the position as level, and the line is rarely seen.

Popular continuations