Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 h6 5. Bxf6 Qxf6 6. e3 Nc6 7. Bb5 cxd4 8.
Bxc6 bxc6 9. cxd4 Rb8 10. b3 Ba6 11. Nbd2 Qg6 12. g3 Bb4 13. Ne5 Qf5 14. Nc4 h5
15. O-O h4 16. e4 Qg6 17. g4 Bxd2 18. Nxd2 Bxf1 19. Qxf1 Qxg4+ 20. Qg2 Qxg2+
21. Kxg2 Rh6 22. Nc4 h3+ 23. Kg3 Ke7 24. e5 Rg6+ 25. Kf3 f6 26. Re1 Rf8 27.
exf6+ Rfxf6+ 28. Ke2 Rg2 29. Rf1 Rxh2 30. Ne3 Rhxf2+ 31. Rxf2 Rxf2+ 32. Kxf2 h2
33. Kg2 Kd6 34. Kxh2 c5 35. dxc5+ Kxc5 36. Ng4 d5 37. Ne5 Kd4 38. Nc6+ Kd3 39.
Nxa7 d4 40. Nb5 e5 41. Kg2 e4 42. Nxd4 Kxd4 43. Kf2 Kd3 44. a4 e3+ 45. Ke1 g5
46. a5 g4 47. a6 g3 48. a7 g2 49. a8=Q *
Position (FEN): Q7/8/8/8/8/1P1kp3/6p1/4K3 b - - 0 49
Black to move.
Themes: Advanced Pawn Endgame Mate in 1 Promotion, Underpromotion
Puzzle rating: 916
Best move: g1=R#