Chess puzzle (Crushing)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 c6 4. Bxc4 b5 5. Bd3 e6 6. Nf3 Be7 7. a4 b4 8. Bd2 a5
9. b3 Nf6 10. Ng5 O-O 11. h4 Ba6 12. Bxh7+ *
Position (FEN): rn1q1rk1/4bppB/b1p1pn2/p5N1/Pp1P3P/1P2P3/3B1PP1/RN1QK2R b KQ - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1100
Best move: Nxh7