A flexible setup with pawns on d6 and e6. Black maintains options.
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 - See Open Sicilian.
5...e6 - The Scheveningen. Black forms a solid pawn structure with flexibility.
White's plans: Keres Attack with g4. Or classical development with Be2.
Black's plans: Develop ...Be7, castle, and prepare ...d5 or ...b5 counterplay.
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