Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Saduleto_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e4 e6 4. Bxc4 b6 5. Nf3 Bb7 6. O-O Nf6 7. Nc3 Nxe4 8.
Nxe4 Bxe4 9. d5 exd5 10. Re1 Be7 11. Bg5 f6 12. Rxe4 *
Position (FEN): rn1qk2r/p1p1b1pp/1p3p2/3p2B1/2B1R3/5N2/PP3PPP/R2Q2K1 b kq - 0 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1073
Best move: dxe4