Chess puzzle (Checkmate)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Panov_Attack
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8.
Qb3 Nxc3 9. bxc3 Qb6 10. Bb5 e6 11. Ne5 Bh5 12. d5 exd5 13. Qxd5 Rd8 14. Bxc6+
bxc6 15. Qe4 *
Position (FEN): 3rkb1r/p4ppp/1qp5/4N2b/4Q3/2P5/P4PPP/R1B1K2R b KQk - 1 15
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1073
Best move: Rd1#