Chess puzzle (Advantage)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. f4 Nf6 3. e3 d5 4. Nf3 c5 5. c4 Nc6 6. Nc3 cxd4 7. exd4 b6 8. cxd5
Nxd5 9. Nxd5 Qxd5 10. Be2 Bb7 11. O-O Bd6 12. Be3 O-O 13. Ne5 *
Position (FEN): r4rk1/pb3ppp/1pnbp3/3qN3/3P1P2/4B3/PP2B1PP/R2Q1RK1 b - - 7 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1286
Best move: Nxe5