Chess puzzle (Advantage)
Moves: 1. d4 d5 2. e3 a6 3. Bd3 e6 4. Nd2 c5 5. c3 Nc6 6. f4 Nf6 7. Ngf3 cxd4 8. exd4
Ng4 9. Qe2 Bd6 10. Ne5 Ngxe5 11. fxe5 Be7 12. O-O O-O 13. Qh5 g6 14. Qh6 Bg5
15. Qh3 f5 16. Nf3 Bxc1 17. Raxc1 b5 18. Qh6 Ra7 19. Ng5 Qb6 20. Rf3 Nxe5 21.
Rh3 Nxd3 *
Position (FEN): 2b2rk1/r6p/pq2p1pQ/1p1p1pN1/3P4/2Pn3R/PP4PP/2R3K1 w - - 0 22
White to move.
Themes:  Middlegame  
Puzzle rating: 2003
Best move: Nxh7