Chess puzzle (Advantage)
Moves: 1. e4 g6 2. Nf3 Bg7 3. e5 d6 4. exd6 cxd6 5. h3 Nf6 6. Bc4 O-O 7. d4 Qa5+ 8. c3
b5 9. b4 Qb6 10. Bb3 Bb7 11. O-O Ne4 12. Bc2 f5 13. Re1 d5 14. Bf4 Nd7 15. Ng5
Ndf6 16. f3 Nxg5 17. Bxg5 e6 18. Nd2 Rfe8 19. Nb3 Nd7 20. f4 h6 21. Bh4 Qc7 22.
Qd2 Bf6 23. Bxf6 Nxf6 24. Nc5 Ne4 25. Bxe4 dxe4 26. Qe3 Bd5 27. a4 a6 28. h4
Kf7 29. Ra3 h5 30. Rea1 bxa4 31. Rxa4 Bb7 32. Qe2 Bc6 33. Rxa6 Rxa6 34. Rxa6
Bd5 35. g3 Qc8 36. Qb5 Re7 37. Qb6 e3 38. Kf1 Bc4+ 39. Ke1 Bxa6 40. Qxa6 Qxa6 *
Position (FEN): 8/4rk2/q3p1p1/2N2p1p/1P1P1P1P/2P1p1P1/8/4K3 w - - 0 41
White to move.
Themes:  Endgame  
Puzzle rating: 1010
Best move: Nxa6