Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nf3 Nc6 3. c4 e6 4. Nc3 Bb4 5. e3 Nf6 6. Bd3 h6 7. O-O h5 8. a3 Ba5
9. b4 dxc4 10. Bxc4 Bb6 11. Qa4 h4 12. h3 Bd7 13. b5 Na5 14. Bd3 Nd5 15. Bd2 a6
16. Nxd5 exd5 17. Bxa5 axb5 18. Bxb5 Bxb5 *
Position (FEN): r2qk2r/1pp2pp1/1b6/Bb1p4/Q2P3p/P3PN1P/5PP1/R4RK1 w kq - 0 19
White to move.
Themes:  Middlegame  
Puzzle rating: 814
Best move: Qxb5+