Chess puzzle (Advantage)
Moves: 1. e4 Nf6 2. Nf3 Nxe4 3. d3 Nf6 4. c4 d5 5. c5 e6 6. b4 a5 7. Qa4+ Bd7 8. Qa3
Nc6 9. Bd2 axb4 10. Qb2 Bxc5 11. d4 Bd6 12. a3 Ne4 13. Bxb4 Nxb4 14. axb4 Rxa1
15. Qxa1 Bxb4+ 16. Nbd2 O-O 17. Qb1 Qe7 18. Bd3 f5 19. Qc2 c6 20. O-O g5 21.
Nb3 b6 22. Ne5 c5 23. f3 Nf6 24. g4 cxd4 25. Nxd4 Bc5 26. Qc3 fxg4 27. fxg4
Nxg4 28. Nxg4 Rxf1+ 29. Kxf1 Qf7+ *
Position (FEN): 6k1/3b1q1p/1p2p3/2bp2p1/3N2N1/2QB4/7P/5K2 w - - 1 30
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1964
Best move: Nf5