Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Accelerated_Dragon
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nxd4 7. Bxd4 Bxd4
8. Qxd4 f6 9. O-O-O Nh6 10. h4 Ng4 11. h5 Qb6 12. Qxb6 axb6 13. Rd2 gxh5 14.
Rxh5 d6 15. Nd5 Rxa2 16. b3 Be6 17. Kb1 Ra5 18. b4 Ra4 *
Position (FEN): 4k2r/1p2p2p/1p1pbp2/3N3R/rP2P1n1/8/2PR1PP1/1K3B2 w k - 1 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1786
Best move: Bb5+