Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 Bf5 3. g3 e6 4. Bg2 Bb4+ 5. c3 Ba5 6. Ne5 f6 7. Qa4+ Nd7 *
Position (FEN): r2qk1nr/pppn2pp/4pp2/b2pNb2/Q2P4/2P3P1/PP2PPBP/RNB1K2R w KQkq - 2 8
White to move.
Themes:  Opening  
Puzzle rating: 1544
Best move: Nxd7