Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Two_Knights_Attack
Moves: 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. exd5 cxd5 5. Be2 Nc6 6. h3 Bxf3 7. Bxf3 e6 8.
O-O Bd6 9. d4 Nge7 10. Nb5 Bb8 11. b3 a6 12. Nc3 Qd6 13. a4 *
Position (FEN): rb2k2r/1p2nppp/p1nqp3/3p4/P2P4/1PN2B1P/2P2PP1/R1BQ1RK1 b kq - 0 13
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 510
Best move: Qh2#