Library/Openings/Sicilian Defense/Najdorf Variation/Polugaevsky Variation/Simagin Line ECO B96
Opening· 19 plies

Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line

An entry in the Encyclopedia of Chess Openings (ECO B96), reached after 19 half-moves: 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.

Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line ECO B96
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End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line is an opening in the Encyclopedia of Chess Openings, classified under code B96. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 19 half-moves from the starting position, with the move sequence 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 belongs to the Sicilian Defense family. Within that family this is a level-3 branch (the Najdorf Variation → Polugaevsky Variation → Simagin Line line). The immediate parent line is Sicilian Defense: Najdorf Variation, Polugaevsky Variation, transitioned via 10.Qe2.

The opening sequence in prose form: 1.e4 c5, 2.Nf3 d6, 3.d4 cxd4, 4.Nxd4 Nf6, 5.Nc3 a6, 6.Bg5 e6. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.