Chess puzzle (Equality)
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. e3 bxc4 5. Bxc4 d6 6. Nc3 Bb7 7. Nf3 Nbd7 8. O-O
Nb6 9. Bb3 Rc8 10. e4 c4 11. Bc2 g6 12. Bg5 Bg7 13. Na4 O-O 14. Nxb6 axb6 15.
Re1 e5 16. Ba4 h6 17. Bxf6 Bxf6 18. Bb5 c3 19. bxc3 Rxc3 20. Qd2 Qc7 21. Qxh6
Bg7 22. Qg5 Rc8 23. a4 Qc5 24. Qe7 Rc2 25. Rf1 Bxd5 26. exd5 e4 27. Qxe4 *
Position (FEN): 2r3k1/5pb1/1p1p2p1/1BqP4/P3Q3/5N2/2r2PPP/R4RK1 b - - 0 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1810
Best move: Bxa1