Chess puzzle (Equality)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Be2 b5 8.
Qd2 Bb7 9. f3 Qc7 10. O-O-O h6 11. Bf4 e5 12. Ndxb5 axb5 13. Nxb5 Qa5 *
Position (FEN): r3kb1r/1b1n1pp1/3p1n1p/qN2p3/4PB2/5P2/PPPQB1PP/2KR3R w kq - 1 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1927
Best move: Qxa5