If you want a good overview of the Pierce gambit, try and check out Tim Harding's column at www.chesscafe.com. He wrote some articles on the Pierce gambit a few years back. Since I sent Tim my comments and some games and analysis (which was also discussed in the thread given by TJ) this was included in the articles.

Find them here:

http://www.chesscafe.com/archives/archives.htm#The%20Kibitzer

and lookk for may/june 2004.

If I had any idea how to get to a += or a = that is not perpetual check in the Pierce gambit I would share it with you guys but, alas, it's still only a draw in my view. Would sure like to know what that Swedish corr player has up is sleeve.

Cheers,

Michael.

Well, a couple of years ago I talked to a swedish corr player during a ferry tournament between Trelleborg and Rostock. And he insisted that white was alright according to fritz - if you just gave him enough weeks to calculate... 

I don't remember how this salvation line began, but after a quick look in the database I suppose 8.Bxf4 may be what he meant (-though I have a faint memory of Bxf7+ being thrown in at some point...).

Anyway, I'd leave that analysis to someone with too much spare time! 



Another source is a discussion here. It took me a while to find it but here it is:

http://www.chesspub.com/cgi-bin/yabb2/YaBB.pl?num=1095546596