Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Bird_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. d3 c5 6. a3 Qa5+ 7. Bd2 Qxb5 8.
O-O d6 9. c3 Qxd3 10. cxd4 Qxd4 11. Nc3 Qe5 12. Nd5 Kd8 13. Re1 Nf6 14. f4 Qe8
15. e5 Nxd5 16. exd6 Qc6 17. Rc1 Bxd6 18. b4 Nxf4 *
Position (FEN): r1bk3r/pp3ppp/2qb4/2p5/1P3n2/P7/3B2PP/2RQR1K1 w - - 0 19
White to move.
Themes: Pin Middlegame  
Puzzle rating: 976
Best move: Bxf4