Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. O-O c6 6. Bc4 Ng6 7. Re1 Bc5 8. h3
O-O 9. Nbd2 d5 10. exd5 cxd5 11. Bb3 Re8 12. Nf1 b6 13. Ng3 Bb7 14. d4 exd4 15.
Rxe8+ Qxe8 16. Nxd4 Bxd4 17. Qxd4 Rd8 18. Bg5 Qe6 19. Kf1 Ba6+ 20. c4 Rd6 21.
Re1 *
Position (FEN): 6k1/p4ppp/bp1rqnn1/3p2B1/2PQ4/1B4NP/PP3PP1/4RK2 b - - 2 21
Black to move.
Themes:  Middlegame  
Puzzle rating: 1638
Best move: dxc4