For clarification: "pin" refers to where the hole is found on the green. I'll only use hole from now on to refer to one of the 21 Holes.

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You may have noticed that when you play a hole, the pin location for that hole is not always the same. This is partially decided by the score you have upon entering the hole, and partially decided by RNG.

A Pins and B pins

(side note - there is no official term for the pin sets, i just referred to them as A pins and B pins to differentiate them, call them whatever you like)

For 16 of the holes in the 18 Hole game, there are 2 sets of pins. The "A pins" are given to you if your score is below a certain threshold (a "good" score) and the "B pins" are given to you if your score is above a certain threshold (a "bad" score). The A pins are generally in more difficult locations than B pins (ie edge of the green, middle of a slope, etc).

The only holes that do not have any score determining factor for their pins are Hole 1, Hole 18, and Holes 19-21. Hole 1 has only 3 pins, Hole 18 has only 1 pin, and Holes 19-21 have 6, but they are not divided into sets based on score.

Score Determination for A/B pins

As previously mentioned, whether you receive an A pin or B pin is based on your score upon entering the hole. Here is a list of all the score requirements for each course.

-3 Holes-

All 3 Hole courses use B pins. Special uses 6 pins for each hole, randomized regardless of score.

-9 Holes-

Resort

Hole 1 does not apply

score ≤ -2 = Hole 2 A pins score ≥ -1 = Hole 2 B pins

score ≤ -2 = Hole 3 A pins score ≥ -1 = Hole 3 B pins

score ≤ -3 = Hole 4 A pins score ≥ -2 = Hole 4 B pins

score ≤ -3 = Hole 5 A pins score ≥ -2 = Hole 5 B pins

score ≤ -4 = Hole 6 A pins score ≥ -3 = Hole 6 B pins

score ≤ -4 = Hole 7 A pins score ≥ -3 = Hole 7 B pins

score ≤ -5 = Hole 8 A pins score ≥ -4 = Hole 8 B pins

score ≤ -5 = Hole 9 A pins score ≥ -4 = Hole 9 B pins

Classic

Hole 10 will always have B pins

score ≤ -2 = Hole 11 A pins score ≥ -1 = Hole 11 B pins

score ≤ -2 = Hole 12 A pins score ≥ -1 = Hole 12 B pins

score ≤ -3 = Hole 13 A pins score ≥ -2 = Hole 13 B pins

score ≤ -3 = Hole 14 A pins score ≥ -2 = Hole 14 B pins

score ≤ -4 = Hole 15 A pins score ≥ -3 = Hole 15 B pins

score ≤ -4 = Hole 16 A pins score ≥ -3 = Hole 16 B pins

score ≤ -5 = Hole 17 A pins score ≥ -4 = Hole 17 B pins

Hole 18 always has the same pin

-18 Holes-

Hole 1 does not apply

score ≤ -2 = Hole 2 A pins score ≥ -1 = Hole 2 B pins

score ≤ -2 = Hole 3 A pins score ≥ -1 = Hole 3 B pins

score ≤ -3 = Hole 4 A pins score ≥ -2 = Hole 4 B pins

score ≤ -3 = Hole 5 A pins score ≥ -2 = Hole 5 B pins

score ≤ -4 = Hole 6 A pins score ≥ -3 = Hole 6 B pins

score ≤ -4 = Hole 7 A pins score ≥ -3 = Hole 7 B pins

score ≤ -5 = Hole 8 A pins score ≥ -4 = Hole 8 B pins

score ≤ -5 = Hole 9 A pins score ≥ -4 = Hole 9 B pins

score ≤ -6 = Hole 10 A pins score ≥ -5 = Hole 10 B pins

score ≤ -6 = Hole 11 A pins score ≥ -5 = Hole 11 B pins

score ≤ -7 = Hole 12 A pins score ≥ -6 = Hole 12 B pins

score ≤ -7 = Hole 13 A pins score ≥ -6 = Hole 13 B pins

score ≤ -8 = Hole 14 A pins score ≥ -7 = Hole 14 B pins

score ≤ -8 = Hole 15 A pins score ≥ -7 = Hole 15 B pins

score ≤ -9 = Hole 16 A pins score ≥ -8 = Hole 16 B pins

score ≤ -9 = Hole 17 A pins score ≥ -8 = Hole 17 B pins

Hole 18 always has the same pin

Pin Locations for the 21 Holes

Here is a picture for every pin location for every hole. The score determination written on most of them applies only to the 18 Hole course (and the Resort 9 Hole course).

Also, here is an imgur album with all of them: https://imgur.com/a/YtEz4

Actual Part About RNG

Which pin you get out of the set is determined by RNG. I'm still looking in to how it is determined, because it seems to rely on the in game clock in a strange way! So this part is in construction :P