Chess Opening Theory/1. d4/1...Nf6/2. Nf3/2...d5/3. e3/3...c5

Colle System
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)
Moves: 1. d4 Nf6 2. Nf3 d5 3. e3 c5

edit

3...c5 edit

Theory table edit

For explanation of theory tables, see theory table and for notation, see algebraic notation..

1. d4 Nf6 2. Nf3 d5 3.e3 c5

4
c3
 
c4
 

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