Chess puzzle (Advantage)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. d4 g6 2. Nc3 Bg7 3. e3 Nf6 4. Bc4 d5 5. Bb3 c6 6. Nge2 O-O 7. Qd3 Re8 8. Bd2
b5 9. Nf4 a5 10. a4 Ba6 11. axb5 cxb5 12. Nxb5 Bxb5 *
Position (FEN): rn1qr1k1/4ppbp/5np1/pb1p4/3P1N2/1B1QP3/1PPB1PPP/R3K2R w KQ - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 969
Best move: Qxb5