Chess puzzle (Checkmate)
Opening: Modern_Defense, Modern_Defense_Bishop_Attack
Moves: 1. d4 g6 2. e4 Bg7 3. Bc4 d6 4. Qf3 e6 5. Nc3 c6 6. Nge2 b5 7. Bb3 a5 8. a3 Nf6
9. Bg5 Nbd7 10. O-O-O Qb6 11. e5 dxe5 12. dxe5 Nxe5 13. Qe3 Qxe3+ 14. fxe3 b4
15. Ne4 Nxe4 *
Position (FEN): r1b1k2r/5pbp/2p1p1p1/p3n1B1/1p2n3/PB2P3/1PP1N1PP/2KR3R w kq - 0 16
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1249
Best move: Rd8#