Chess puzzle (Checkmate)
Opening: Grunfeld_Defense, Grunfeld_Defense_Exchange_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8.
Ne2 c5 9. O-O Qc7 10. Be3 Nc6 11. dxc5 Rd8 12. Qc2 Ne5 13. Bb3 Ng4 14. Qc1 *
Position (FEN): r1br2k1/ppq1ppbp/6p1/2P5/4P1n1/1BP1B3/P3NPPP/R1Q2RK1 b - - 6 14
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 850
Best move: Qxh2#