Chess puzzle (Checkmate)
Moves: 1. Nf3 d6 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. Be2 O-O 6. O-O a5 7. a3 a4 8. b4 b6
9. d4 c5 10. dxc5 bxc5 11. b5 Nbd7 12. c4 Nb6 13. Nc3 Bb7 14. Qd2 Qc8 15. Rad1
Qe6 16. Nd5 Nfxd5 17. Bxg7 Kxg7 18. cxd5 Bxd5 19. Rfe1 Kg8 20. Qc3 Bb7 21. h4
Qb3 22. Qa1 Ra5 23. h5 Bxf3 24. Bxf3 Rxb5 25. Rb1 Qd3 26. Rxb5 Qxb5 27. Rb1 Qa5
28. h6 e5 29. Qa2 c4 30. Rb4 c3 31. Qc2 Rc8 32. Be2 Qc5 33. g3 d5 34. Rb5 Qc6
35. Bf3 e4 36. Be2 Nd7 37. Rb4 Ne5 38. Bb5 Qc5 39. Be2 Nd3 40. Bxd3 exd3 41.
Qxd3 c2 42. Rd4 c1=Q+ 43. Kg2 Qa1 44. Rxd5 Qe7 45. Rd7 Qe8 46. Rd6 Qae5 47. Rd4
Q5e6 48. Rf4 Q6c6+ 49. Kg1 Qce6 50. Qc3 Rc4 *
Position (FEN): 4q1k1/5p1p/4q1pP/8/p1r2R2/P1Q1P1P1/5P2/6K1 w - - 13 51
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1154
Best move: Qg7#