As I recall, SwisSys lets you edit the field names it processes in the DBF files and will ignore any fields it doesn’t recognize, but it probably still can’t deal with holding more than 2 ratings at a time.
SwissSys 10 will allow you to define fields, to an extent, and yes and no will deal with more than two ratings. It will allow you to input three ratings per ID number, e.g. Regular, Quick, Blitz, or Regular, FIDE, FIDE Blitz, or Regular, Club Based Rating, None. Then, when you set up a section it allows you to choose which rating is primary and which is secondary and how to treat players who don’t have a primary rating.
Now that I think of it, Mr. Dudley is likely to get these results if (excuse extreme technical details) he defined Rating as R_LPB_RAT, left Rating #3 undefined (that is, blank), said the tournament would use Blitz/Regular ratings, and said that if the primary rating was unrated then list the player as unrated. However, this doesn’t explain why he got such different results with the April supplement.
So what I’m saying is that I am 100% able to duplicate his results, but I have no idea how he could accidentally get both sets, much less repeatedly.
Does any of this help? I think I walked through the process to get the May results clearly enough above, but I just can’t figure out how it’s possible to get between the two without knowing you did it.
Alex Relyea
Resolved.
As I have said several times already, I just could not see how I could repeatedly load the April and then the May databases and get the same differing results each time. Trouble shooting wise this would point to at least a difference if not a problem with the databases themselves.
But.
A clean install of Swisssys 10.45 and the problem is gone.
Good to hear, and the exact cause is likely to remain unsolved, but now unimportant.
Could it be that there was a problem with SwissSys, but the problem was resolved without the version number being changed, so a new download solved everything?
Or maybe your original download of SwissSys hiccupped and garbled a few bytes of the code?
Bill Smythe
More likely something funky in the registry. exe files have checksums, so you really can’t garble a few bytes of code without it being noticed.
Even more likely was that something, somewhere changed (beneficially) with the newer version.
The more you know about how computers work, the more you understand how many opportunities there are for things to go wrong.
I found two; is that above average? 
Bill Smythe
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