Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 c5 5. Nb3 Nc6 6. c4 Be7 7. Nc3 Nf6 8. Be2
O-O 9. O-O a6 10. f4 h6 11. f5 Ne5 12. Qe1 Bd7 13. Qg3 Nxe4 *
Position (FEN): r2q1rk1/1p1bbpp1/p2p3p/2p1nP2/2P1n3/1NN3Q1/PP2B1PP/R1B2RK1 w - - 0 14
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1133
Best move: Nxe4