Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nxd5 *
Position (FEN): rnbqkb1r/pp2pppp/2p2n2/3N4/2PP4/8/PP2PPPP/R1BQKBNR b KQkq - 0 4
Black to move.
Themes:  Opening  
Puzzle rating: 1568
Best move: cxd5