Chess puzzle (Equality)
Moves: 1. d4 Nf6 2. Bg5 h6 3. Bh4 g5 4. Bg3 Bg7 5. h3 d5 6. Nf3 Nc6 7. e3 Bf5 8. a3 e6
9. Bd3 Qe7 10. Nh2 O-O-O 11. O-O e5 12. Bxf5+ Kb8 13. dxe5 Nxe5 14. Qd4 Nc6 15.
Qa4 Rhg8 16. c3 Ne4 17. Ng4 Nxg3 18. fxg3 Ne5 19. Qb4 Nxg4 20. Bxg4 Qxe3+ 21.
Kh2 Be5 22. Rf3 Qe1 23. c4 Qxb4 24. axb4 f6 25. Rfa3 a6 26. b5 Bxb2 27. R1a2 *
Position (FEN): 1k1r2r1/1pp5/p4p1p/1P1p2p1/2P3B1/R5PP/Rb4PK/1N6 b - - 1 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1175
Best move: Bxa3