Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. Bf4 d5 3. Nf3 Nc6 4. h3 Bf5 5. a3 h6 6. e3 a6 7. Nc3 e6 8. Be2 Bd6
9. Ne5 Bxe5 10. dxe5 Ne4 11. Nxe4 Bxe4 12. O-O g5 13. Bh2 Qe7 14. Bh5 O-O-O 15.
c3 Bg6 16. Bg4 h5 17. Be2 g4 18. hxg4 hxg4 19. Bxg4 Bf5 20. Bxf5 exf5 21. Bf4
Qh4 22. f3 Rdg8 23. Qd2 Qh1+ 24. Kf2 Rxg2+ 25. Ke1 Qh4+ 26. Rf2 Rg1+ 27. Ke2
Rxa1 28. Qxd5 Rd8 29. Qxf7 Rb1 30. Qxf5+ Kb8 31. Qxb1 Rd2+ 32. Kxd2 Qxf2+ 33.
Kd3 Qxf3 34. Qg1 Qd5+ 35. Kc2 Na5 36. Qd1 Qb3+ 37. Kc1 Qa2 38. e4 Nb3+ 39. Kc2
Nc5 40. Qd4 Qb3+ 41. Kb1 b6 42. Qd8+ Kb7 43. e6 Nxe6 44. Qg8 Qd1+ 45. Ka2 *
Position (FEN): 6Q1/1kp5/pp2n3/8/4PB2/P1P5/KP6/3q4 b - - 3 45
Black to move.
Themes: Hanging Piece Endgame  
Puzzle rating: 1001
Best move: Nxf4