Chess puzzle (Checkmate)
Opening: Van_Geet_Opening, Van_Geet_Opening_Other_variations
Moves: 1. Nc3 d5 2. b3 e5 3. Bb2 d4 4. Ne4 Nc6 5. Nf3 f5 6. Ng3 Nf6 7. e3 dxe3 8. dxe3
Bb4+ 9. Nd2 Bxd2+ 10. Qxd2 Qxd2+ 11. Kxd2 Be6 12. Rd1 O-O-O+ 13. Kc1 Rxd1+ 14.
Kxd1 Rd8+ 15. Kc1 f4 16. exf4 exf4 17. Ne2 Bg4 18. Nxf4 *
Position (FEN): 2kr4/ppp3pp/2n2n2/8/5Nb1/1P6/PBP2PPP/2K2B1R b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 537
Best move: Rd1#