Chess puzzle (Checkmate)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. Nf3 dxc4 5. e4 Bg6 6. Bxc4 Nd7 7. O-O Qc7 8.
Nh4 Ngf6 9. Nxg6 hxg6 10. e5 O-O-O 11. exf6 *
Position (FEN): 2kr1b1r/ppqnppp1/2p2Pp1/8/2BP4/2N5/PP3PPP/R1BQ1RK1 b - - 0 11
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 1136
Best move: Qxh2#