Dale Hards
Fri, 12 Mar 2010 01:02:58 -0800
On Fri, Mar 12, 2010 at 6:05 AM, Marius Roets <roets.mar...@gmail.com>wrote: > Hi Dale, > > On Thu, Mar 11, 2010 at 10:46 PM, Dale Hards <dale.ha...@googlemail.com>wrote: > >> Hello, >> >> Once again, well done on a fantastic piece of software. SCID is easily my >> favourite open-source software, and I use it a lot. >> >> I was hoping someone on the mailing list could point me in the direction >> of a good free and legal (ie not plagiarised material) PGN for an opening >> database, from either white/black/both perspective. I've done some pretty >> extensive Googling over the last few weeks, and found a few leads but >> nothing came to any luck. I've heard of the Chess Analysis Project and >> downloaded all the a-opening PGNs but found they were just games ordered by >> ECO. >> > Would you mind explaining your intended use. Since this is not clear, I'm > not sure what would be an opening database. > I already have a number of databases, including one of about 2 million games all of players at or over 2200 ELO. The quality of this database is good, but I want to be able to use a database in the Training > Openings feature. When I load any database of this number of games into this feature the indicator tells me it will take over 300 hours to load. This is why I was mistaken about what an opening database is. Given that it takes so long I made a perhaps natural assumption that an opening database must be different to a set of full games. I realise now that this was very wrong. > > >> >> I imagine an opening database to be a collection of openings not a >> collection of games. Is this correct? > > Well then I can ask, at what point does an opening seize to be an opening > and become a game. If you are only looking for ECO openings, SCID already > has an ECO browser with an extended set of ECO openings. If you want more > than that it sort of becomes more like having a games database. Once again, > how you intend to use it determines what you want. > I have used the ECO browser but I don't think this can be used in the same way as the Training > Openings feature does. > > >> Any pointers to an appropriate download would be very much appreciated. >> The opening trainer is one of the few features in SCID I have yet to use >> > > When I started to use SCID many years ago I was looking for the same thing, > and found a massive PGN base on Bob Wyatt's Crafty ftp site. I think it is > used for Crafty's opening book. I don't know if it's there anymore. I ended > up never using it because I realized after a while that it is not really > useful for a human as much as for a machine. > > HTH > Marius > Thanks Marius for your reply.
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