Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nge2 Nh6 6. O-O O-O 7. h3 f5 8. f4
d6 9. d3 e5 10. Be3 Nd4 11. Bf2 Be6 12. Nxd4 exd4 13. Ne2 Qd7 14. Kh2 Rad8 15.
c3 dxc3 16. bxc3 fxe4 17. dxe4 Bc4 18. Re1 Bxe2 19. Rxe2 Bxc3 *
Position (FEN): 3r1rk1/pp1q3p/3p2pn/2p5/4PP2/2b3PP/P3RBBK/R2Q4 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1669
Best move: Qb3+