Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_McConnell_Defense
Moves: 1. e4 e5 2. Nf3 Qf6 3. Nc3 c6 4. Bc4 Bc5 5. d3 h6 6. Be3 d6 7. Bxc5 dxc5 8. h3
g5 9. Qd2 Be6 10. Bxe6 Qxe6 11. Ne2 Nf6 12. Ng3 Nbd7 13. Nf5 O-O-O 14. Qa5 a6
15. a4 c4 16. dxc4 *
Position (FEN): 2kr3r/1p1n1p2/p1p1qn1p/Q3pNp1/P1P1P3/5N1P/1PP2PP1/R3K2R b KQ - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1740
Best move: Nxe4