Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nf3

=Slav Defence=

3.Nf3
With the most common move in the Slav, 3.Nf3, White develops his knight and exerts more control over the e5-square.

Theory table
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'''1. d4 d5 2. c4 c6 3. Nf3'''