Chess puzzle (Crushing)
Opening: Indian_Defense, Indian_Defense_Other_variations
Moves: 1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nc3 Bg7 5. h4 h5 6. Be2 a6 7. Nf3 Nbd7 8. Qd2
b5 9. a3 Bb7 10. O-O-O c5 11. Ng5 Rc8 12. dxc5 Nxc5 13. Kb1 e6 14. f3 Qa5 15.
b4 *
Position (FEN): 2r1k2r/1b3pb1/p3pnp1/qpnp2Np/1P3B1P/P1N1PP2/2PQB1P1/1K1R3R b k - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1437
Best move: Qxa3