Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 dxc4 4. e4 Nc6 5. Be3 b5 6. e5 Nd5 7. Nxb5 Nxe3 8.
fxe3 Qd5 9. Nc3 Qe6 10. Bxc4 *
Position (FEN): r1b1kb1r/p1p1pppp/2n1q3/4P3/2BP4/2N1P3/PP4PP/R2QK1NR b KQkq - 0 10
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 809
Best move: Qxc4