Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Bd3 e5 7. d5 a5 8. a4 Na6
9. O-O Bd7 10. Be3 Ng4 11. Bd2 Nc5 12. Be2 f5 13. h3 Nf6 14. exf5 gxf5 15. Qc2
Kh8 16. Nh4 f4 17. Nf5 Rg8 18. Bf3 Bf8 19. Kh2 Qc8 20. Nh4 Bh6 21. Ne4 Nfxe4
22. Bxe4 Nxe4 23. Qxe4 Bg5 24. Nf3 Bf5 25. Qe2 Bf6 26. Rg1 Qd7 27. Bc3 Rg6 28.
g4 e4 29. Bxf6+ Rxf6 30. Nh4 f3 31. Qe3 Bg6 32. Nxg6+ hxg6 33. Qxe4 Re8 34. Qd4
Kg7 35. Rge1 Re2 36. Ra3 g5 37. Re3 Rxf2+ 38. Kg3 *
Position (FEN): 8/1ppq2k1/3p1r2/p2P2p1/P1PQ2P1/4RpKP/1P3r2/4R3 b - - 1 38
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 973
Best move: Rg2#