Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bg4 5. d5 a6 6. Be2 Bxf3 7. Bxf3 Nd4 8. Nc3
Qf6 9. Bg4 g6 10. Ne2 Nxe2 11. Qxe2 h5 12. Bf3 O-O-O 13. Qe3 b6 14. a4 Bh6 15.
Qd3 Bxc1 16. Rxc1 Kb7 17. Be2 a5 18. O-O Qe7 *
Position (FEN): 3r2nr/1kp1qp2/1p1p2p1/p2Pp2p/P3P3/3Q4/1PP1BPPP/2R2RK1 w - - 2 19
White to move.
Themes:  Middlegame  
Puzzle rating: 696
Best move: Qa6+