Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. d3 Bg4 8.
h3 Bh5 9. g4 Bg6 10. Qe2 Be7 11. b3 Rd8 12. Bb2 f6 13. O-O-O O-O 14. c4 Qa5 15.
a4 Nb4 16. Bc3 Na2+ *
Position (FEN): 3r1rk1/ppp1b1pp/5pb1/q3p3/P1P1N1P1/1PBP1N1P/n3QP2/2KR3R w - - 3 17
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1502
Best move: Qxa2