Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. a4 Bb4+ 5. Bd2 a5 6. Nc3 Nf6 7. e3 Ne4 8. Be2
O-O 9. O-O Nxd2 10. Qxd2 Re8 11. Bd3 e5 12. dxe5 Nxe5 13. Nxe5 Rxe5 14. Qc2
dxc4 15. Bxh7+ Kf8 16. Be4 Bxc3 17. bxc3 Qg5 *
Position (FEN): r1b2k2/1pp2pp1/8/p3r1q1/P1p1B3/2P1P3/2Q2PPP/R4RK1 w - - 1 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1224
Best move: f4