Chess puzzle (Advantage)
Opening: Old_Indian_Defense, Old_Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. c4 d6 3. e3 g6 4. d5 Bg7 5. c5 O-O 6. c6 bxc6 7. dxc6 Nxc6 8. Bb5
Bd7 9. Qb3 Nd4 10. exd4 Bxb5 *
Position (FEN): r2q1rk1/p1p1ppbp/3p1np1/1b6/3P4/1Q6/PP3PPP/RNB1K1NR w KQ - 0 11
White to move.
Themes:  Opening  
Puzzle rating: 906
Best move: Qxb5