Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Queens_Knight_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. cxd5 exd5 5. e4 Qe7 6. e5 Nf6 7. Be3 Ne4 8. Qd3
Bf5 9. Nf3 O-O 10. a3 Nxc3 *
Position (FEN): rn3rk1/ppp1qppp/8/3pPb2/1b1P4/P1nQBN2/1P3PPP/R3KB1R w KQ - 0 11
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1304
Best move: Qxf5