Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 Nf6 3. g3 Nc6 4. Nf3 Bg4 5. Bg2 e5 6. dxe5 Nxe5 7. Nbd2 Bb4 8.
c3 Bc5 9. O-O Ne4 *
Position (FEN): r2qk2r/ppp2ppp/8/2bpn3/4n1b1/2P1PNP1/PP1N1PBP/R1BQ1RK1 w kq - 3 10
White to move.
Themes:  Opening  
Puzzle rating: 1639
Best move: Nxe4