Chess Opening Theory/1. e4/1...c5/2. c3/2...Nf6/3. e5/3...Nd5/4.d4

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< Chess Opening Theory‎ | 1. e4‎ | 1...c5‎ | 2. c3‎ | 2...Nf6‎ | 3. e5‎ | 3...Nd5
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Sicilian, Alapin
a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h
Position in Forsyth-Edwards Notation(FEN)

rnbqkb1r/pp1ppppp/8/2pnP3/3P4/2P5/PP3PPP/RNBQKBNR


4.d4[edit]

This move gains central space and connects with the e-pawn. White has create a pawn chain in the conter and is now threatening c4 followed by d5, when Black would really suffocate by his lack of central space. This pawn controls White's center.