Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Bc4 Nf6 7. Nc3 Bb4 8.
Bg5 O-O 9. O-O h6 10. Bxf6 Qxf6 11. Qd2 Bb7 12. Qxd7 Rab8 13. a3 Rfd8 14. Qc7
Bxc3 15. bxc3 c5 16. Rab1 Rdc8 17. Qd7 Bxe4 18. Rxb8 Rxb8 19. Qxa7 Rb2 20. Bd3
Qg6 21. Qxc5 *
Position (FEN): 6k1/5pp1/6qp/2Q1p3/4b3/P1PB4/1rP2PPP/5RK1 b - - 0 21
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 895
Best move: Qxg2#