Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 Bg4 4. Bf4 e6 5. h3 Bh5 6. g4 Bg6 7. Bg2 c6 8. Nf3 h6
9. cxd5 exd5 10. e3 Bd6 11. Ne5 Bh7 12. Qb3 Qc7 13. O-O-O Nbd7 14. e4 Nxe5 15.
dxe5 Bxe5 16. Bxe5 Qxe5 17. exd5 O-O 18. dxc6 bxc6 19. Bxc6 Rab8 20. Qa4 Rfc8
21. Rhe1 Qc7 22. Bh1 Rxb2 23. Rd8+ Rxd8 24. Kxb2 Rb8+ 25. Nb5 Qb6 26. Ka1 Qxb5
27. Qd4 Qb1+ 28. Rxb1 *
Position (FEN): 1r4k1/p4ppb/5n1p/8/3Q2P1/7P/P4P2/KR5B b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 511
Best move: Rxb1#