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Yes, yes, absolutely yes!! Please do this option of restrictions by ratings!
I think the fairest system would probably be a choice between a +/- range around the player's current rating or selecting any minimum (or at least a minimum that correlates with the Daily Quest requirement).
Although, I suppose that if you do allow total freedom of selection, then if other players feel that a player is trying to be manipulative with the system, then they can just choose not to play them.
As for the bots though, I have to totally second what Marlene said about the idea of being able to at least select a MINIMUM score for bots (given that they're unlocked, I guess) to be able to at least attempt conquering the Daily Quest. It being random luck whether or not you get paired up with a bot that meets the required minimum (and it usually failing to happen) is indeed very annoying.
There is also the "Play different players" requirement, but if you keep getting matched up with the same bot over and over again... Perhaps an option to force the selection of a different bot (rather than people being able to select the same bot over and over again)?
Can't wait for this to be implemented! Great stuff! — But when you say there could be consequences for this feature on the Daily Quest, what do you mean exactly? Does that mean it's all going to be moot?
Speaking of the Daily Quest, I've always thought it'd be better if you displayed the rankings as a percentage of Kings Favours earned, rather than the number of them (those at the top of the chart would show 100%, of course). What do you think? I've just noticed too that one of my Friends who hasn't logged in for two months or more is still in the charts... how can that be? Aren't the Quests calculated for only the last twenty days? (Similarly for the Wheat! I guess I don't understand how it really works..)
One more suggestion concerning percentages (which I'm positive players would absolutely love if you were able to implement!) is to have a percentage number (or maybe a percentage 'completion' bar?) displayed on each table (or even if it's just a flag that appears when hovering the mouse – can't be done on touchscreens though, right?) to indicate how complete the game is, so they can know if certain other players are just starting or halfway through or nearly finished! For most games this could be easily calculated based on the number of cards remaining in the draw deck (or on the number of wishing stones remaining, in the case of Keltis Ór) but some games admittedly could be trickier to calculate.
But I'm probably getting a bit too off-topic here, sorry.
Back on the topic of table restrictions: I've never understood the point of the "All players" option being under the restricted access menu. If the table is open to all, then it's not restricted, is it? Am I missing something?
Also, I think the "Only Friends" option is superfluous, as you could just use "Selection of Friends" option and click the "All" button. Similarly the "Access by link only" option is also superfluous, as the "Selection of Friends" option covers this too and, if necessary, the player can just select "None" in their friends list (which is how it starts by default, anyway, so the only point of the "None" button is if you had started making selections, then changed your mind and it'd be easier to start over than to unselect) – although the Link Only option does bring up the link window, I suppose.. a suggestion on that below, too.
I think that the table access menu selection could really benefit from being streamlined and simplified.
Instead of option 1) then 2)a,b,c,d, perhaps instead just something like:
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Table access via link for any player/guest and via the inn for:
1) any qualified player
2) a selection of friends
(with friends menu directly underneath, where players can choose all, none, or some)
and then three buttons instead of two:
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* OPEN TABLE
* OPEN TABLE
(and view link)
* Cancel
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and if Selection of Friends: None has been chosen (thus via Link only) then either remove or hide or disable the first "Open Table" button or just have it function the same as the second one (i.e.: bring up the link window automatically regardless).
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That's just one idea, anyway.
Thanks for reading.
Keep up the great work!