Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 a5 2. Bf4 d5 3. a4 Nf6 4. e3 Nc6 5. Nf3 e6 6. Bd3 Bd7 7. c3 Na7 8. O-O b5
9. axb5 Bxb5 10. Rxa5 c6 11. Ne5 *
Position (FEN): r2qkb1r/n4ppp/2p1pn2/Rb1pN3/3P1B2/2PBP3/1P3PPP/1N1Q1RK1 b kq - 1 11
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1380
Best move: Qxa5