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. Be2 g6 7. O-O Bg7 8. Nf3
b5 9. Bd3 Nbd7 10. Nd5 Bb7 11. Nxf6+ Nxf6 12. c4 bxc4 13. Bxc4 O-O 14. Bd5 Nxd5
15. exd5 Rc8 16. Rb1 Qb6 17. b3 Rc5 18. Be3 Rfc8 *
Position (FEN): 2r3k1/1b2ppbp/pq1p2p1/2rP4/8/1P2BN2/P4PPP/1R1Q1RK1 w - - 3 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1704
Best move: b4