Chess puzzle (Crushing)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bd3
Bd6 9. a3 Nbd7 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Nf6 13. Bc2 h6 14. Be3 Qc7
15. O-O O-O-O 16. b4 e5 17. Bf5+ Kb8 18. c5 Be7 19. dxe5 Qxe5 *
Position (FEN): 1k1r3r/1p2bpp1/p1p2n1p/2P1qB2/1P6/P3BQ1P/5PP1/R4RK1 w - - 0 20
White to move.
Themes: Pin Middlegame  
Puzzle rating: 859
Best move: Bf4