Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Closed
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 a6 5. Ba4 b5 6. Bb3 Nf6 7. O-O Be7 8. Re1
O-O 9. d4 Na5 10. Bc2 exd4 11. cxd4 Re8 12. Qd3 Nc4 13. e5 dxe5 14. Nxe5 Nxe5
15. dxe5 Qxd3 16. Bxd3 Nd5 17. Be4 Bb7 18. Nc3 Nxc3 *
Position (FEN): r3r1k1/1bp1bppp/p7/1p2P3/4B3/2n5/PP3PPP/R1B1R1K1 w - - 0 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1522
Best move: Bxb7