This is kind of a fun one. The way it played out, mate is forced on move 19. Black's 18th move was a bit of a blunder, but there was an unstoppable mating attack on anyway. See if you can spot it (it's fairly easy as all the moves are forced).
Header
SITE
http://www.redhotpawn.com
DATE
2011.12.16
WHITE
afordyce
BLACK
???
RESULT
1-0
PGN
[Site "http://www.redhotpawn.com"] [Date "2011.12.16"] [EndDate "2011.12.31"] [White "afordyce"] [Black "???"] [WhiteRating "1669"] [BlackRating "1463"] [Result "1-0"] [GameId "8923617"] 1. e4 c5 2. Ng1f3 Nb8c6 3. d4 e6 4. c4 d5 5. cxd5 exd5 6. Nb1c3 dxe4 7. Nc3xe4 cxd4 8. Bf1c4 h6 9. O-O f5 10. Ne4d2 Bc8d7 11. Nd2b3 Qd8f6 12. Rf1e1 Bf8e7 13. Nb3xd4 O-O-O 14. Bc1d2 Nc6xd4 15. Bd2c3 Nd4xf3 16. Qd1xf3 Qf6f8 {There is now an unstoppable (I'm fairly certain) mating attack for white. See if you can spot it.} 17. Bc4a6 Bd7c6 {The only other possible defenses for black (that I can see) are bxa6 or Re1 (clearing a flight square for the king). Neither of these prevent mate (although bxa6 would prevent this game from appearing in this thread).} 18. Qf3xc6 1-0
Originally posted by PhySiQ Mate in 17 with one exchange. A bullet game (1 min. No incr.) [pgn][Event "Live Chess"] [Site "Chess.com"] [Date "2011.11.15"] [Result "1-0"] [TimeControl "1|0"] [Termination "won by checkmate"]