Chess puzzle (Checkmate)
Opening: Slav_Defense, Slav_Defense_Quiet_Variation
Moves: 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bg4 5. Nc3 e6 6. Be2 Bd6 7. O-O O-O 8. cxd5
exd5 9. h3 Bh5 10. Nd2 Bg6 11. Bf3 Nbd7 12. Re1 Re8 13. e4 Nxe4 14. Ndxe4 Bxe4
15. Bxe4 dxe4 16. Rxe4 Nf6 17. Rxe8+ Qxe8 18. Qe1 *
Position (FEN): r3q1k1/pp3ppp/2pb1n2/8/3P4/2N4P/PP3PP1/R1B1Q1K1 b - - 1 18
Black to move.
Themes: Hanging Piece, Kingside Attack Middlegame Mate in 1 
Puzzle rating: 938
Best move: Qxe1#