Chess puzzle (Checkmate)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. e4 g6 2. Nf3 Bg7 3. Bc4 Nc6 4. Ng5 e6 5. O-O Qxg5 6. d4 Qh4 7. d5 exd5 8.
exd5 Qxc4 9. dxc6 dxc6 10. Re1+ Be6 11. b3 Qg4 12. Qxg4 O-O-O 13. Qb4 Bxa1 14.
c3 Nf6 15. Bg5 Nd5 16. Qa3 f6 17. Be3 Nxe3 18. Rxe3 Rd1+ 19. Re1 *
Position (FEN): 2k4r/ppp4p/2p1bpp1/8/8/QPP5/P4PPP/bN1rR1K1 b - - 2 19
Black to move.
Themes: Hanging Piece Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 614
Best move: Rxe1#