Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Be2 a6 8.
Na3 b5 9. Nd5 Nxe4 10. O-O Be7 11. Be3 Rb8 12. b3 O-O 13. c4 b4 14. Nc2 Be6 15.
Bf3 f5 16. Bd2 Bg5 17. Bxb4 Rxb4 18. Ncxb4 Nd4 19. Bxe4 fxe4 20. Qe1 Bxd5 *
Position (FEN): 3q1rk1/6pp/p2p4/3bp1b1/1NPnp3/1P6/P4PPP/R3QRK1 w - - 0 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1633
Best move: Nxd5