Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 h6 5. Nc3 Nf6 6. Bf4 Be7 7. Bc4 O-O 8.
O-O c5 9. Ndb5 Qb6 10. Nxd6 Rd8 11. e5 Nh7 12. Nce4 Be6 13. Bxe6 fxe6 14. Qg4
Bxd6 15. Nxd6 Rxd6 16. exd6 Nf6 17. Qxe6+ Kh8 18. Qe7 Nc6 19. Be5 *
Position (FEN): r6k/pp2Q1p1/1qnP1n1p/2p1B3/8/8/PPP2PPP/R4RK1 b - - 4 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1540
Best move: Nxe7