Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Paulsen_Attack
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Be2 Be7 6. d3 Nf6 7. O-O O-O 8.
Bf4 Nc6 9. Nc3 Nd4 10. Be3 Nxe2+ 11. Qxe2 d5 12. Nd2 Re8 13. Bg5 Bb4 14. Qf3 d4
15. Nce4 Nxe4 16. Bxd8 Nxd2 17. Qd5 Nxf1 18. Rxf1 Be6 19. Qxd4 *
Position (FEN): r2Br1k1/ppp2ppp/4b3/8/1b1Q4/3P4/PPP2PPP/5RK1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1736
Best move: c5