Chess puzzle (Equality)
Moves: 1. e4 c5 2. Nf3 g6 3. d3 Bg7 4. g3 Nc6 5. Bg2 d6 6. O-O Nf6 7. Nbd2 O-O 8. c3
Rb8 9. d4 cxd4 10. cxd4 b5 11. Re1 Qb6 12. Nb3 a5 13. d5 Nb4 14. Be3 Qd8 15. a3
Na6 16. Bd4 Nd7 17. Rc1 a4 18. Bxg7 Kxg7 19. Nbd4 Nac5 20. Nc6 Qc7 21. Nxb8
Qxb8 22. Nd4 Ne5 23. Rc3 b4 24. axb4 Qxb4 25. Qd2 Ba6 26. Nc6 Nxc6 27. dxc6 Rb8
28. Bf1 *
Position (FEN): 1r6/4ppkp/b1Pp2p1/2n5/pq2P3/2R3P1/1P1Q1P1P/4RBK1 b - - 2 28
Black to move.
Themes:  Middlegame  
Puzzle rating: 1640
Best move: Bxf1