Chess puzzle (Checkmate)
Moves: 1. d4 e5 2. d5 Nf6 3. Bg5 h6 4. Bxf6 Qxf6 5. c3 Bc5 6. e3 O-O 7. Qf3 Qg6 8. Qd1
d6 9. Nf3 Nd7 10. Nbd2 Nb6 11. b4 e4 12. Nh4 Qf6 13. Nxe4 Qxh4 14. Nxc5 dxc5
15. bxc5 Nd7 16. Qd4 Qxd4 17. cxd4 Nf6 18. Bc4 Rd8 19. O-O Nxd5 20. Bxd5 Rxd5
21. Rfb1 b6 22. cxb6 axb6 23. Rc1 c5 24. dxc5 bxc5 25. f3 Ra4 26. e4 Re5 27.
Kf2 c4 28. a3 f5 29. exf5 Bxf5 30. Rc3 Bd3 31. Kg3 g5 32. h3 Kg7 33. f4 Re2 34.
fxg5 hxg5 35. Kf3 Ra8 36. a4 Rf8+ 37. Kg3 Rff2 38. Rg1 Be4 39. Rxc4 Rxg2+ 40.
Rxg2 *
Position (FEN): 8/6k1/8/6p1/P1R1b3/6KP/4r1R1/8 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1192
Best move: Rxg2#