Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 O-O 8.
e4 h6 9. Bxf6 Qxf6 10. Rc1 d6 11. Be2 Be6 12. O-O Rac8 13. Nd5 Qg6 14. Bf3 Rfd8
15. a3 Ba5 *
Position (FEN): 2rr2k1/pp3pp1/2npb1qp/b2Np3/2P1P3/PN3B2/1P3PPP/2RQ1RK1 w - - 1 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1547
Best move: Nxa5