Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 f5 4. Bf4 Bd6 5. Bxd6 Qxd6 6. Nf3 c6 7. e3 Nd7 8. cxd5
exd5 9. Bd3 Ndf6 10. O-O Ne4 11. Ne5 Ngf6 12. f3 Ng5 13. Kh1 O-O 14. e4 fxe4
15. fxe4 dxe4 16. Bc4+ Kh8 17. h4 Bg4 18. Qe1 Ne6 19. Nxe4 Nxe4 *
Position (FEN): r4r1k/pp4pp/2pqn3/4N3/2BPn1bP/8/PP4P1/R3QR1K w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1882
Best move: Qxe4