Chess puzzle (Crushing)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nb6 6. Nc3 Bg7 7. h4 h5 8. Bg5
Bg4 9. e5 Nc6 10. Bb5 Qd7 11. d5 Bxf3 *
Position (FEN): r3k2r/pppqppb1/1nn3p1/1B1PP1Bp/7P/2N2b2/PP3PP1/R2QK2R w KQkq - 0 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1905
Best move: Qxf3