Chess puzzle (Checkmate)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. e3 Nf6 5. cxd5 Nxd5 6. Bc4 Nxc3 7. bxc3 e6 8.
Nf3 Bd6 9. O-O O-O 10. Bb2 Nd7 11. Bb3 Nf6 12. c4 h6 13. c5 Bc7 14. h3 b6 15.
Rc1 bxc5 16. Rxc5 Be4 17. Nd2 Qd6 18. Nxe4 *
Position (FEN): r4rk1/p1b2pp1/2pqpn1p/2R5/3PN3/1B2P2P/PB3PP1/3Q1RK1 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1501
Best move: Qh2#