Tryfon Gavriel, otherwise knowns as Kingscrusher on YouTube and webmaster of my favorite correspondence site http://www.letsplaychess.com posted a video in which he defeated a Chess Grandmaster using the Pincer Attack.
Some information on Tryfon:
British Regional Master - Achieved a standard play "A" grade of at least 180 in two consecutive seasons on ECF official grading lists.
Top 100 in his country for the top Rapid play chess players!
Fide Rating: usually over 2100
British Championship Qualifier for 2008, by coming 2nd= at the Southend Open with a rating performance of ECF 206.
2009 Muswell Hill 5 minute chess champion! I mention this because I plan on doing quite a few 5 minute chess videos with live commentary! :)
2009 2nd= with IM Trent in North London Blitz chess tournament, defeating Russian GM Chernaiv in final round with black pieces, but losing 2nd game on time from winning position throughout most of the game!