Chess puzzle (Crushing)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bc5 4. Nxe5 Nc6 5. Nxc6 dxc6 6. Bc4 Bxf2+ 7. Kxf2
Qd4+ 8. Kf1 Qxc4+ 9. d3 Qa6 10. Bg5 h6 11. Bh4 O-O 12. Bxf6 gxf6 13. Qg4+ *
Position (FEN): r1b2rk1/ppp2p2/q1p2p1p/8/4P1Q1/2NP4/PPP3PP/R4K1R b - - 1 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1157
Best move: Bxg4