The Opocensky Variation is a variation of the Sicilian, Najdorf Variation, catalogued as ECO B92. The line runs 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2, reaching the position shown below after 11 half-moves.
White holds the centre with pawns on e4. White is ahead in development, with three minor pieces out to Black's one. It is Black to move after six moves.
On the Sicilian, Najdorf Variation generally: The most popular and deeply analyzed Sicilian variation. 5...a6 prepares ...e5 and gives Black enormous flexibility. Bobby Fischer's weapon of choice.
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The Opocensky Variation goes 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2. It is a variation of the Sicilian, Najdorf Variation and is catalogued as ECO B92.
The Opocensky Variation is ECO B92. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Sicilian, Najdorf Variation.
Stockfish evaluates the position after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 at +0.33 at depth 18, which is a slight pull for White, within normal opening margins. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
White holds the centre with pawns on e4. White is ahead in development, with three minor pieces out to Black's one. It is Black to move.