Chess puzzle (Checkmate)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Be2 dxc4 8.
Bxc4 b5 9. Bb3 a6 10. O-O c5 11. dxc5 Nxc5 12. Bc2 Bb7 13. Qe2 O-O 14. Rfd1 Qc7
15. Bf4 Qc6 16. Ne5 *
Position (FEN): r4rk1/1b2bppp/p1q1pn2/1pn1N3/5B2/2N1P3/PPB1QPPP/R2R2K1 b - - 9 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 833
Best move: Qxg2#