Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. f4
Qc7 9. Bd3 O-O 10. Kh1 Nc6 11. Nxc6 Qxc6 12. e5 dxe5 13. fxe5 Nd5 14. Qh5 g6
15. Qh6 f5 16. exf6 Rxf6 17. Nxd5 Rxf1+ 18. Bxf1 Qxd5 19. b3 Qd1 *
Position (FEN): r1b3k1/1p2b2p/p3p1pQ/8/8/1P6/P1P3PP/R1Bq1B1K w - - 1 20
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1472
Best move: Bb2