Chess puzzle (Advantage)
Opening: Indian_Defense, Indian_Defense_London_System
Moves: 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Qb6 5. Nbd2 cxd4 6. exd4 Nc6 7. Nb3 a5 8.
c3 a4 9. Nbd2 Qxb2 *
Position (FEN): r1b1kb1r/1p1p1ppp/2n1pn2/8/p2P1B2/2P2N2/Pq1N1PPP/R2QKB1R w KQkq - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1410
Best move: Nc4