Chess puzzle (Checkmate)
Moves: 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. Be2 Bc5 5. Bf3 O-O 6. Nge2 d6 7. a3 a6 8. b4
Ba7 9. d4 exd4 10. exd4 Re8 11. O-O Bg4 12. Bxg4 Nxg4 13. c5 Qh4 14. h3 Nf6 15.
Ng3 dxc5 16. dxc5 Rad8 17. Qf3 Qc4 18. Nce2 Rd3 19. Qf5 Nd4 20. Nxd4 Qxd4 21.
Bg5 Rxg3 22. Bxf6 gxf6 23. Rad1 Rg5 24. Qxg5+ fxg5 25. Rxd4 h6 26. Rfd1 Kg7 27.
Rd7 c6 28. Rxb7 Bb8 29. Rdd7 *
Position (FEN): 1b2r3/1R1R1pk1/p1p4p/2P3p1/1P6/P6P/5PP1/6K1 b - - 2 29
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 400
Best move: Re1#