The Najdorf Variation, Polugaevsky Variation, Simagin Line is a variation of the Sicilian Defense, catalogued as ECO B96. The line runs 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2, reaching the position shown below after 19 half-moves.
White holds the centre with pawns on e5. White is ahead in development, with three minor pieces out to Black's one. It is Black to move after ten moves. White’s e-file pawn is isolated; the d-file file is fully open.
On the Sicilian Defense generally: The most popular and aggressive response to 1.e4. Black fights for the center asymmetrically, leading to rich tactical play.
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The Najdorf Variation, Polugaevsky Variation, Simagin Line goes 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2. It is a variation of the Sicilian Defense and is catalogued as ECO B96.
The Najdorf Variation, Polugaevsky Variation, Simagin Line is ECO B96. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Sicilian Defense.
Stockfish evaluates the position after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2 at +0.41 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 e5. White is ahead in development, with three minor pieces out to Black's one. It is Black to move. White’s e-file pawn is isolated; the d-file file is fully open.