Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. c4 g6 6. Nc3 Bg7 7. cxd5 Nxd5 8.
Bc4 Nb6 9. Bb3 O-O 10. O-O Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. d5 Nd4 14. Qd1 Nxb3
15. axb3 Bxc3 16. bxc3 Qxd5 17. Be3 Qxd1 18. Rfxd1 f6 19. c4 Kf7 20. c5 Nc8 21.
Rd7 Rb8 22. Bf4 Ke6 23. Rad1 Nd6 24. Rc7 Nb5 25. Re1+ Kf5 26. Bc1 Nxc7 *
Position (FEN): 1r3r2/ppn1p2p/5pp1/2P2k2/8/1P5P/5PP1/2B1R1K1 w - - 0 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1149
Best move: g4#