Chess puzzle (Crushing)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. e3 c5 4. Nf3 cxd4 5. Nxd4 Nf6 6. Nc3 Be7 7. Be2 O-O 8. O-O
Nbd7 9. cxd5 Nxd5 10. Nxd5 exd5 11. b3 Nf6 12. Bb2 Be6 13. Rc1 Rc8 14. Nb5 a6
15. Nc3 Qa5 16. Qd2 Bb4 17. f3 Bxc3 18. Bxc3 Qxa2 *
Position (FEN): 2r2rk1/1p3ppp/p3bn2/3p4/8/1PB1PP2/q2QB1PP/2R2RK1 w - - 0 19
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 893
Best move: Qxa2