Chess puzzle (Advantage)
Moves: 1. e4 e6 2. g3 d5 3. e5 c5 4. Bg2 Nc6 5. Qe2 Qc7 6. Nf3 Nge7 7. c3 Qb6 8. Na3
c4 9. Nc2 Ng6 10. d4 cxd3 11. Qxd3 Ncxe5 12. Nxe5 Nxe5 13. Qe2 Qd6 14. Bf4 f6
15. O-O Be7 16. Rad1 O-O 17. c4 Rd8 18. cxd5 exd5 19. Rxd5 Qc7 20. Rxd8+ Bxd8
21. Rc1 Be6 *
Position (FEN): r2b2k1/ppq3pp/4bp2/4n3/5B2/6P1/PPN1QPBP/2R3K1 w - - 2 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1458
Best move: Nd4