ECO code: B22
Opening Name: Sicilian Defense: Alapin Variation, 2...Nf6, 5.cxd4
Moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4
Description: This line arises from the Alapin Variation of the Sicilian Defense, where White aims to establish a strong pawn center early with c3 and d4. Black's move 2...Nf6 challenges White's e4 pawn and prepares to contest the center actively. After 3.e5 Nd5, White pushes the pawn to gain space and force Black's knight to an awkward square. The exchange on d4 (5.cxd4) clarifies the central tension and opens lines for White's pieces.
Characteristic of the move 5.cxd4: By recapturing on d4 with the c-pawn, White maintains a strong central presence and opens the c-file for potential rook activity. This move also keeps the center flexible and supports further piece development, especially the light-squared bishop and queen.
Strategic nature: From White’s perspective, this variation is primarily attacking in nature, focusing on gaining space and control in the center. Black, meanwhile, adopts a somewhat counter-attacking stance, aiming to undermine White’s center and exploit the slightly advanced e5 pawn.
Center Control: Yes, this opening strongly targets the center. White builds a broad pawn center with pawns on d4 and e5, aiming to limit Black’s piece activity. Black tries to challenge this center immediately with active piece play, especially the knight on d5.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.
Practice puzzles and train your tactics with real positions from games that used the Sicilian: Alapin, 2...Nf6, 5.cxd4, and sharpen your opening mastery.
Puzzle 1 of 18 - Move #7 black