Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Exchange_Variation
Moves: 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bg5 Ne4 6. Nxe4 dxe4 7. Rc1 g6 8.
e3 Bg7 9. Qc2 O-O 10. Qxe4 *
Position (FEN): rnbq1rk1/pp2ppbp/6p1/6B1/3PQ3/4P3/PP3PPP/2R1KBNR b K - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1077
Best move: Qa5+