Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 Nf6 2. Nf3 d5 3. Bf4 Bf5 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg5 O-O 8.
Nbd2 h6 9. Bxf6 Qxf6 10. e4 Nc6 11. e5 Nxe5 12. dxe5 Bxe5 13. Nxe5 Qxe5+ 14.
Qe2 Qxb2 15. Qd1 Qe5+ 16. Qe2 *
Position (FEN): r4rk1/ppp2pp1/4p2p/3pq3/8/8/P1PNQPPP/R3K2R b KQ - 3 16
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 820
Best move: Qxa1+