Chess puzzle (Advantage)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 c6 3. Nf3 d5 4. cxd5 cxd5 5. e3 Nf6 6. Bd3 Bd6 7. Nbd2 O-O 8. b3
b6 9. a4 Ba6 10. Bxa6 Nxa6 11. Ba3 Bxa3 12. Rxa3 Nb4 13. Ne5 Rc8 14. O-O Nd7
15. Ndf3 f6 16. Nxd7 Qxd7 17. Qd2 Rc2 *
Position (FEN): 5rk1/p2q2pp/1p2pp2/3p4/Pn1P4/RP2PN2/2rQ1PPP/5RK1 w - - 2 18
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1019
Best move: Qxb4