Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. e5 c5 3. c3 Nc6 4. d4 cxd4 5. cxd4 Qb6 6. Ne2 e6 7. a3 Nge7 8. Nbc3
Nf5 9. Na4 Qc7 10. Be3 Nxe3 11. fxe3 Be7 12. b4 a6 13. Nc1 O-O 14. Nd3 Bd7 15.
Nac5 Be8 16. Be2 f6 17. Nxe6 Qb8 18. Nxf8 Kxf8 19. O-O Kg8 20. exf6 Bxf6 21.
Rc1 Nxd4 22. exd4 Bxd4+ 23. Kh1 Bb5 24. Nc5 Be3 25. Qxd5+ Kh8 26. Bxb5 Bxc1 27.
Rxc1 axb5 28. Rc3 Qf4 29. h3 Re8 30. Qd1 Qf2 31. Nd3 Qg3 32. Rc2 Rd8 33. Qe2 h6
34. Nf2 Rf8 35. Kg1 Rf6 36. Qxb5 Rg6 37. Qxb7 Kh7 38. Ng4 h5 39. Nf2 Qe3 40.
Qc7 Qe1+ 41. Kh2 Qf1 42. Qf4 *
Position (FEN): 8/6pk/6r1/7p/1P3Q2/P6P/2R2NPK/5q2 b - - 7 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 823
Best move: Rxg2#