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Old June 16, 2021, 04:29   #1
ewilkins
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Tunneling taking too long?

I've been noticing that every now and again, tunneling seems to be taking far too long. For example, in the attached image, it took 45 turns instead of the 14 I would expect. Am I misunderstanding, or is something weird going on?
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Old June 16, 2021, 07:02   #2
backwardsEric
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The number of turns displayed in the object information is the average number of turns it should take. Each turn there is a dice roll with a certain chance (1 in 14, approximately for this case) of success. Having it take 45 turns is not very likely ((13/14)^44 * 1/14 = .274% or 1/365), but it isn't so improbable that I'd suspect something was wrong based on that one observation.

If it's any comfort, 1/14 (7.1%) of the time it'll only take one turn and 13/14^2 (6.6%) of the time it'll take two turns (at least if things are working correctly).
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Old June 16, 2021, 10:14   #3
ewilkins
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So I was misunderstanding. I hadn't realized that it was a probability. The description really could be clearer about that.
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