Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 O-O 7. e3 Be6 8.
Bd3 h6 9. Bh4 c5 10. dxc5 Bxc5 11. Nge2 Nc6 12. a3 d4 13. Ne4 Be7 14. Nxf6+
Bxf6 15. Bxf6 Qxf6 16. e4 Rac8 17. Qd2 Ne5 18. O-O Rfd8 19. Nf4 Bc4 20. Rac1
Bxd3 21. Nxd3 Nc4 22. Qb4 a5 23. Qxb7 Rb8 24. Qc7 Nxb2 25. Nxb2 Rxb2 26. e5 Qg5
27. f4 *
Position (FEN): 3r2k1/2Q2pp1/7p/p3P1q1/3p1P2/P7/1r4PP/2R2RK1 b - - 0 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1201
Best move: Qxg2#