Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. g3 d5 3. cxd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. Nc3 Qd7 7. O-O e5 8.
d3 Bd6 9. Nd2 Bh3 10. Nde4 Nxe4 11. Nxe4 Bxg2 12. Nxd6+ Qxd6 13. Kxg2 O-O-O 14.
a3 e4 15. Bf4 Qf6 16. b4 g5 17. b5 gxf4 18. bxc6 Qxc6 19. Rc1 f3+ 20. exf3
exf3+ 21. Qxf3 Qxf3+ 22. Kxf3 Rxd3+ 23. Kg2 Rxa3 24. Rfe1 c6 25. Re7 Rf8 26.
Rd1 Rb3 27. Rdd7 a5 28. h4 a4 29. Rd4 a3 30. Ra4 c5 *
Position (FEN): 2k2r2/1p2Rp1p/8/2p5/R6P/pr4P1/5PK1/8 w - - 0 31
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 742
Best move: Ra8#