Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Exchange_Variation
Moves: 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. Nc3 e6 6. Nb5 e5 7. dxe5 *
Position (FEN): r1bqkbnr/pp3ppp/2n5/1N1pP3/5B2/8/PP2PPPP/R2QKBNR b KQkq - 0 7
Black to move.
Themes:  Opening  
Puzzle rating: 1008
Best move: Qa5+