Files with TBS extension can also be found as some sort of databases from Chess Tablebase platform. Seems like obsolete.
There are 2 other file types using
the TBS file extension!
.tbs - Intel VTune performance monitor file
.tbs - TuneUp style boot screen file
What is tbs file? How to open tbs files?
The TBS file extension is also related to old on-line chess platform called Tablebase Server. Most likely no longer actively used.
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