Chess puzzle (Equality)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bg4 6. O-O e6 7. d4 c6 8.
Be2 Bd6 9. Ne5 Bxe2 10. Qxe2 Nbd7 11. f4 Qc7 12. Ne4 Nd5 13. Nxd6+ Qxd6 14. c4
N5f6 15. Qe3 h5 16. Bd2 Ng4 17. Nxg4 hxg4 18. g3 O-O-O 19. d5 Qc5 20. dxe6 fxe6
21. b3 Qxe3+ 22. Bxe3 Nf6 23. Bxa7 Rd2 24. Rf2 Rxf2 25. Kxf2 Rxh2+ 26. Ke3 Rg2
27. Bb6 Rxg3+ 28. Kd4 Rf3 29. Ke5 Nd7+ 30. Kxe6 Nxb6 31. f5 Kd8 32. Rh1 g3 33.
Kd6 Ke8 34. Re1+ Kf7 35. Re7+ Kf6 36. Re1 Rxf5 37. Rg1 Rf3 38. Kc7 Nxc4 39.
bxc4 Kf5 40. Kxb7 Kg4 41. Kxc6 Kh3 42. Kb6 Kh2 43. Rc1 g2 44. c5 g1=Q 45. Rxg1
Kxg1 46. c6 Rc3 *
Position (FEN): 8/6p1/1KP5/8/8/2r5/P7/6k1 w - - 1 47
White to move.
Themes: Defensive Move Endgame, Rook Endgame  
Puzzle rating: 1872
Best move: a4