Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 c6 5. Qa4 b5 6. Qd1 cxd5 7. exd5 Bb7 8. Nc3
Bb4 9. Qg4 Nf6 10. Qxg7 Rg8 11. Qh6 Nxd5 12. Qxh7 Rf8 13. Bd2 Nc6 14. O-O-O
Nxc3 15. Bxc3 Qg5+ 16. Bd2 Bxd2+ 17. Rxd2 Nb4 18. Nf3 Bxf3 19. gxf3 Rd8 20. f4
Qxf4 21. Bxc4 Qxd2+ 22. Kb1 Qd1+ 23. Rxd1 *
Position (FEN): 3rkr2/p4p1Q/8/1p2p3/1nB5/8/PP3P1P/1K1R4 b - - 0 23
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 703
Best move: Rxd1#