Chess puzzle (Advantage)
Opening: Rat_Defense, Rat_Defense_Harmonist
Moves: 1. e4 d6 2. f4 Nf6 3. e5 dxe5 4. fxe5 Nd5 5. d4 e6 6. Nf3 c5 7. c3 Nc6 8. Bb5
Bd7 9. c4 Nb6 10. d5 exd5 11. cxd5 Nxe5 12. Qe2 Bxb5 13. Qxb5+ Ned7 14. O-O Be7
15. Be3 O-O 16. Nc3 Qc7 17. Rac1 a6 18. Qd3 Bd6 19. Ne4 Ne5 *
Position (FEN): r4rk1/1pq2ppp/pn1b4/2pPn3/4N3/3QBN2/PP4PP/2R2RK1 w - - 4 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1388
Best move: Nxe5