Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. e3 c5 5. Nf3 Nc6 6. a3 Be7 7. cxd5 Nxd5 8. Nxd5
Qxd5 9. Bb5 O-O 10. Bxc6 Qxc6 11. O-O Bf6 12. Rb1 cxd4 13. exd4 b6 14. Be3 Bb7
15. Rc1 Qd5 16. Qa4 e5 17. Rfd1 Qe4 18. Qc2 exd4 19. Qxe4 Bxe4 20. Nxd4 Rfd8
21. b4 Rd5 22. f3 Bg6 23. Nc6 Rd3 24. Rxd3 Bxd3 25. Bd4 Bg5 26. Rc3 Bb5 27. g3
Bxc6 28. Rxc6 Kf8 29. f4 Bh6 30. Rc7 g6 31. Kg2 Bg7 32. Bxg7+ Kxg7 33. Kf3 Kf6
34. Ke4 Re8+ 35. Kf3 Re7 36. Rc8 Rd7 37. Rc6+ Kf5 *
Position (FEN): 8/p2r1p1p/1pR3p1/5k2/1P3P2/P4KP1/7P/8 w - - 10 38
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 978
Best move: g4#