Chess puzzle (Equality)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Nf6 6. Nxc6 bxc6 7. Bxc5 d6
8. Bd4 O-O 9. Bxf6 Qxf6 10. Nc3 Re8 11. Be2 d5 12. exd5 Ba6 13. Qd2 cxd5 14.
O-O-O Rad8 15. Bxa6 d4 16. Ne2 Qxa6 17. Ng3 Qxa2 18. Qd3 *
Position (FEN): 3rr1k1/p1p2ppp/8/8/3p4/3Q2N1/qPP2PPP/2KR3R b - - 1 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1755
Best move: Qa1+