It could be done, but you'd have to watch the match from beginning to end.  (or game).  It might be interesting to save glimpses from watch and enter 'em into gnu or Snowie.

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don

i am sorry.. i just saw you mean WATCHED matches rather then PLAYED matches.
I really couldn't tell you if these are saved too. If they are, you probably would have to stay until the end of the game/match.

3D Fibs can do the job. In the log folder, eg. C:\Program Files\3D-Fibs\log each watch session is stored as a log. If it's a complete match then hopefully 3D Fibs will be able to convert it into a .mat file. It does that automatically for the matches that you play but not for watched matches.

On the File menu there's an option Convert log -> JF.mat files. Click on that and it'll invite you to choose a log file. It'll then do what it can with the match and write the best .mat that it can. That may well mean that it writes garbage. I've got about 50 watch logs but most of them start midway through a bot game while I'm waiting for my auto-invite. They produce a mess. I haven't tried watching someone first and then converting the log file after but it might work very nicely.

But I'd recommend that you get the DelFibs client. It's a lot prettier to watch a game with, bigger board as well. It writes straight to .mat. I've got as many watched matches in that as logs in 3D Fibs and most of them are clean and GnuBGable .

You're welcome. 

I actually use DelFibs a lot less than I thought I would. One thing that drove me nuts, actually it drove me back to 3DFibs, is that the player list flickers madly. I'm not sure if that's a problem with my graphics card or the program. I seem to remember that a few Fibs things were awkward or couldn't be done. It's a pity that the author isn't developing it any more because when it came out it had the promise of being the best client from this bunny's perspective.