Chess puzzle (Crushing)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bxe4 7. Bg5 Qd5
8. f3 Qxg5 9. fxe4 Qe3+ 10. Qe2 Qh6 11. Qb5+ c6 *
Position (FEN): rn2kb1r/pp2pppp/2p4q/1Q6/3PP3/2P5/P5PP/R3KBNR w KQkq - 0 12
White to move.
Themes:  Middlegame  
Puzzle rating: 949
Best move: Qxb7