Chess opening · ECO D15
Slav Defense: Two Knights Attack
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1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4
Slav Defense: Two Knights Attack is catalogued under ECO code D15. It is reached after 4 moves (8 half-moves): 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4. After the last move it is White to play. White opens 1. d4. It is a named variation of the Slav Defense, which has 52 catalogued lines in total. 2 deeper lines continue from here, listed below.