Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Ragozin_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Bd2 b6 6. e3 Bb7 7. Bd3 Nbd7 8. b3
Bxc3 9. Bxc3 Ne4 10. Bb2 Ndf6 11. Nd2 Nxd2 12. Qxd2 Ne4 13. Qe2 dxc4 14. bxc4
c5 15. d5 exd5 16. cxd5 Qxd5 17. Rd1 O-O 18. Bxe4 *
Position (FEN): r4rk1/pb3ppp/1p6/2pq4/4B3/4P3/PB2QPPP/3RK2R b K - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 871
Best move: Qxe4