Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Nf3 Bxf4 5. exf4 Ne7 6. Nbd2 Nf5 7. c3 O-O 8.
Bd3 Qf6 9. O-O Nd6 10. g3 b6 11. Re1 Bb7 12. Qe2 Nd7 13. Ne5 Rad8 14. a4 c5 15.
Bb5 Bc8 16. Bd3 c4 17. Bc2 Rfe8 18. Nc6 Nf8 19. Nxd8 Rxd8 20. Qe5 Qe7 21. Nf3
Ng6 22. Qh5 f5 23. Ng5 Nf8 24. g4 h6 25. Nxe6 Bxe6 26. Bxf5 Qf7 27. Bxe6 Nxe6
28. Qxf7+ Kxf7 29. f5 Nf4 30. a5 b5 31. Re5 a6 32. Rae1 Rd7 33. R5e3 Ne4 34. h4
Nd3 35. R1e2 b4 36. cxb4 Nxb4 37. Kg2 Nd3 38. f3 Nd6 39. Kg3 Nb7 40. g5 hxg5
41. hxg5 Nxa5 42. Re8 Nc6 43. R2e6 Nxd4 *
Position (FEN): 4R3/3r1kp1/p3R3/3p1PP1/2pn4/3n1PK1/1P6/8 w - - 0 44
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1090
Best move: g6#