Chess puzzle (Advantage)
Opening: Dutch_Defense, Dutch_Defense_Normal_Variation
Moves: 1. d4 f5 2. c4 Nf6 3. b4 e6 4. a3 a5 5. b5 b6 6. a4 Bb7 7. f3 c6 8. Ba3 Bxa3 9.
Nxa3 O-O 10. e3 d5 11. cxd5 cxd5 12. Bd3 Nbd7 13. Ne2 Rc8 14. Rc1 Qe7 15. O-O *
Position (FEN): 2r2rk1/1b1nq1pp/1p2pn2/pP1p1p2/P2P4/N2BPP2/4N1PP/2RQ1RK1 b - - 7 15
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1070
Best move: Qxa3