Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c6 6. e3 O-O 7. Qb3 b6 8. cxd5
Nxd5 9. Nxd5 cxd5 10. Be2 Bb7 11. Rc1 Nc6 12. O-O Rc8 13. Bb5 a6 14. Bxc6 Bxc6
15. Ne5 Bb7 16. Rxc8 Bxc8 17. Nc6 Qd7 18. Qxb6 f6 19. Qc5 Re8 20. Nb4 e5 21.
Bg3 Bb7 22. dxe5 fxe5 23. Rd1 d4 24. exd4 exd4 25. Qc4+ Kh8 26. Nxa6 Rc8 27.
Qd3 Qc6 28. Nb4 *
Position (FEN): 2r4k/1b4bp/2q3p1/8/1N1p4/3Q2B1/PP3PPP/3R2K1 b - - 4 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 575
Best move: Qxg2#