Chess puzzle (Crushing)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. Nf3 c5 6. h3 Nc6 7. Qa4 Bd7 8. dxc5
Nd4 9. Qd1 Nxf3+ 10. Qxf3 Bxc5 11. cxd5 exd5 12. Nxd5 Nxd5 13. Qxd5 Bb4+ 14.
Bd2 Bxd2+ 15. Qxd2 O-O 16. Bd3 Bc6 17. f3 Qg5 18. O-O-O Rac8 19. Kb1 Rfd8 20.
Qf2 Qf6 21. g4 *
Position (FEN): 2rr2k1/pp3ppp/2b2q2/8/6P1/3BPP1P/PP3Q2/1K1R3R b - - 0 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1701
Best move: Bxf3