The Slav Defense: Three Knights Variation is a chess opening classified under ECO code D15 in the Closed & Semi-Closed Games family, arising from 1.d4 d5, including the Queen's Gambit, Slav Defense, and related systems. It is reached after 4 moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3. The resulting position leaves black to move.
Resulting Position
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3
rnbqkb1r/pp2pppp/2p2n2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R b KQkq - 3 4Resulting Position