Chess puzzle (Crushing)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. h3 Bh5 5. d3 Nc6 6. a3 a6 7. c3 Nf6 8. g4 Bg6
9. Nh4 h5 10. Nxg6 fxg6 11. g5 Nd7 12. Qb3 Qe7 *
Position (FEN): r3kb1r/1ppnq1p1/p1np2p1/4p1Pp/2B1P3/PQPP3P/1P3P2/RNB1K2R w KQkq - 3 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1527
Best move: Qxb7