Tuesday, 25 September 2007
Do It Yourself
It just occurred to me that I haven't made any mention of just how I run these simulations. I use Deal and GIB, the links to which I just put up on the right. Deal is a very flexible deal generator which uses a programming language called Tcl to produce deals with just about any criteria you like. It's hands down better than anything else I've tried, but is not remotely user friendly unless you have programming experience! I may some day write a tutorial if there's any interest, but it's all there on the Deal website. GIB is a bridge playing program written by Matt Ginsberg. It's a single-dummy program (you can play against it on BBO) but it uses a double-dummy engine at its heart and you can interface this double-dummy engine with Deal. You used to be able to download it from their website, but it doesn't look like you can any more. So you might have to just buy the GIB software, unless anyone can point me to a free (and legal!) version?
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Matt Ginsberg once posted the source code to a double-dummy solver to rec.games.bridge. It probably performs horribly compared to modern versions, but it might be of interest to programmers.
More recently, Bo Haglund has written a double-dummy solving library. You can get it with a Windows frontend, or get portable sources and an example python wrapper, ported by Alex Martelli.
I haven't really played with it yet, but it should be possible to do analysis without shelling out for GIB.
--Rob
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