Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. Nf3 d5 2. d4 e6 3. c4 c6 4. Nc3 Nd7 5. c5 a5 6. a3 b6 7. cxb6 Nxb6 8. e3 Bd6
9. Bd3 f5 10. Nd2 Nf6 11. O-O O-O 12. b3 Ne4 13. Ncxe4 fxe4 14. Bc2 e5 15. Bb2
exd4 16. Bxd4 c5 17. Bb2 Qh4 18. g3 Qh3 19. Nxe4 dxe4 *
Position (FEN): r1b2rk1/6pp/1n1b4/p1p5/4p3/PP2P1Pq/1BB2P1P/R2Q1RK1 w - - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1324
Best move: Qxd6