Pot Boost Probabilities
Moderator: SharksGM
Pot Boost Probabilities
This seems the best place for it. Coming up to the draft POT boosting prospects will be an obvious tactic. Is anyone aware of and willing to share the general probabilities involved with POT boosting?
- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
Re: Pot Boost Probabilities
I intended to test it at some point but never got around to it. If you're motivated, try making a file just before with rollover with all U20* boosters of various POT/CON and let us know.
*Players over 20 have very small odds of boosting even with CON below 75 but I'm not sure how that works.
*Players over 20 have very small odds of boosting even with CON below 75 but I'm not sure how that works.
Re: Pot Boost Probabilities
I have boosted Carlsson and Farrance thus far - Farrance boosted right away - Carlsson - played him as an underager in AHL and he boosted the next season. I didnt do extensive testing to be able to say what probability is.
Re: Pot Boost Probabilities
I thought boosts took a year to take effect (the next 21.6 switchover)
- Jets GM
- Posts: 4592
- Joined: Sat Sep 19, 2009 1:33 am
- Location: Toronto, ON
Re: Pot Boost Probabilities
No, that is not true. Used to think that but sign and send back to juniors after drafting before the rollover gives you a chance.
I have found celebrating when a player boosts, and whining about when one does not, increases the likelihood in future.
I have found celebrating when a player boosts, and whining about when one does not, increases the likelihood in future.
Most recent file here.
Re: Pot Boost Probabilities
Lol, notedTampa Bay GM wrote: ↑Wed Jul 04, 2018 10:59 amI have found celebrating when a player boosts, and whining about when one does not, increases the likelihood in future.
Re: Pot Boost Probabilities
20 to 25 yrs old - con 70 or higher - pot 59 or lower
I think the under 20 year old pot boosters is pretty much general knowledge at this point... under 20, pot 69 or lower, con 75 or higher, can boost 10/20/30 pot points at once or multiple times throughout their youth up to 7X, higher con seems to convey more chance of boosts, but I never got hardcore enough to quantitate the qualitative on this.
Best bet is to run some test sims before the rollover, I used to export to excel before rollover, sim past rollover then export and run a spreadsheet comparison, you get a real good idea of whats what and seeing as ur a stats guy NJ, you can probably just "adjust" 10 or 20 guys to whatever variables you want and after a few test sims gather up some decent data.
One crazy anomaly I found though is older guys going up by exactly 1 pot point... essentially changing their character role by having this happen. Noticed it mainly in older D... was super rare happening once or twice in like ten or so test sims... would be cool if you saw this being replicated as I thought it was kind of interesting and out of the realm of common EHM knowledge.
Or you can just do what I do... ask Vik if you have an EHM question... I believe he has achieved EHM god status with all his contributions and understanding of the game.
Re: Pot Boost Probabilities
10 to 30 edits? What is that a sample size for
haha. I plan to run 2 tests. Rub the default file multiple times through the rollover to see general frequency. Then rewrite the entire roster file with 18-38 year olds with specified cons and pots.
Re: Pot Boost Probabilities
Lol, so let me guess your current career is either engineering or accounting.
Cool to see some results on a mass scale man, most interested in any hidden "anomalies". Used to love doing this stuff with EHM... until I realized I would end up being a crappy GM no matter how much I knew about the inner workings.

- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
Re: Pot Boost Probabilities
On a more serious note, if anyone has some data on whether player roles actually matter for anything, let me know. I've been assuming that they don't.
Re: Pot Boost Probabilities
I tried looking at player role and how it effected development briefly awhile ago. I didn't really see anything of note. The 79 guys "Character Player" seemed to overdevelop a bit mroe but the sample size I got after taking out all the noise was very small and consisted of only like 5 guys so nothing definitive by any means.
Re: Pot Boost Probabilities
Just finished one season and took a look at the boosts. 24 in total. 3 were aged over 20 so looks like thats a lie, think it still has to be ELC though. The POT drop limit is typicially advertised as below 70 POT and below 70 CON, but I saw POTs from 50 -89 and the CONs were all below 50.
- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
Re: Pot Boost Probabilities
Huh? Pot drops only happen below 50 CON. Where did you read otherwise? Also, they have to be signed.
Re: Pot Boost Probabilities
Don't recall. COuld have been a random forum in one of my many searches, could have been simply word of mouth.
- Vik (Habs)
- Posts: 2788
- Joined: Sun Oct 12, 2014 12:46 pm
Re: Pot Boost Probabilities
I think it's <70 CON in 1.18.
- Dallas Stars GM
- Posts: 2447
- Joined: Wed Jan 15, 2014 10:47 am
- Location: Slovakia
Re: Pot Boost Probabilities
When will I know if some of my players boosted or not?
STANLEY CUP CHAMPIONS 2020, 2022


Re: Pot Boost Probabilities
The boosting update happens on the 20th when all the stats and everything are updated. Pot drops can happen throughout the season though.
- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
Re: Pot Boost Probabilities
I finally got around to doing this test. I filled the file with players born on the 1st of the month from 1998/06 to 2000/12 (yes I know Dec. 2000 birthdays aren't even draft eligible but it didn't end up mattering).
- For '99 and '00 born players with CON >=75, there is a 45% chance of boosting.
- The chance of boosting does not depend on POT or CON.
- For '98 born players, only those under 20 years of age boosted (i.e. 1998/06/01 birthdays did not boost at any CON).
- I only did 10 players per CON for '98 born, but only 21% boosted overall.
- None of the '98 born with 85 <= CON <= 89 boosted at all.
So basically if you picked a '00 born CON booster, they have a 70% chance of boosting this year or next.
- For '99 and '00 born players with CON >=75, there is a 45% chance of boosting.
- The chance of boosting does not depend on POT or CON.
- For '98 born players, only those under 20 years of age boosted (i.e. 1998/06/01 birthdays did not boost at any CON).
- I only did 10 players per CON for '98 born, but only 21% boosted overall.
- None of the '98 born with 85 <= CON <= 89 boosted at all.
So basically if you picked a '00 born CON booster, they have a 70% chance of boosting this year or next.
Re: Pot Boost Probabilities
I've been playing a single player game in 1.18 and looking at the restuls on the side, and things actually differ quite a bit.
- Age range requirement appears to be repalced with a "Rookie" tag requirement.
- Older players still boost less often likely pointing to age based probabilities for boosting.
- POT had no effect within the boosting bounds
- CON had an effect, players in the lower range boosted less often, and it appeared to pick up greatly at a CON of 80.
So in 1.18 if you had a 17-year-old draftee who had a 90+ CON and you signed him he was more or less guaranteed to boost.
On the other side of things, one interesting thing I noticed is that pot drops happen all the time during the regular season. Not sure if that is something that was in 1.16, but might be something to keep an eye out for.
- Age range requirement appears to be repalced with a "Rookie" tag requirement.
- Older players still boost less often likely pointing to age based probabilities for boosting.
- POT had no effect within the boosting bounds
- CON had an effect, players in the lower range boosted less often, and it appeared to pick up greatly at a CON of 80.
So in 1.18 if you had a 17-year-old draftee who had a 90+ CON and you signed him he was more or less guaranteed to boost.
On the other side of things, one interesting thing I noticed is that pot drops happen all the time during the regular season. Not sure if that is something that was in 1.16, but might be something to keep an eye out for.
- Vik (Habs)
- Posts: 2788
- Joined: Sun Oct 12, 2014 12:46 pm
Re: Pot Boost Probabilities
Are you factoring in that only signed players can boost? Because I just ran a couple tests and 45% doesn't seem like it can be right. Also, CON definitely plays a factor (higher is better).SharksGM wrote: ↑Sat Aug 11, 2018 8:42 am I finally got around to doing this test. I filled the file with players born on the 1st of the month from 1998/06 to 2000/12 (yes I know Dec. 2000 birthdays aren't even draft eligible but it didn't end up mattering).
- For '99 and '00 born players with CON >=75, there is a 45% chance of boosting.
- The chance of boosting does not depend on POT or CON.
- For '98 born players, only those under 20 years of age boosted (i.e. 1998/06/01 birthdays did not boost at any CON).
- I only did 10 players per CON for '98 born, but only 21% boosted overall.
- None of the '98 born with 85 <= CON <= 89 boosted at all.
So basically if you picked a '00 born CON booster, they have a 70% chance of boosting this year or next.
- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
Re: Pot Boost Probabilities
Every player was signed and on a pro team on the 20th. I had 100 players each with every CON from 75 to 99 and there was no dependence on CON at all.Vik (Habs) wrote: ↑Sat Aug 11, 2018 12:20 pm Are you factoring in that only signed players can boost? Because I just ran a couple tests and 45% doesn't seem like it can be right. Also, CON definitely plays a factor (higher is better).
- Vik (Habs)
- Posts: 2788
- Joined: Sun Oct 12, 2014 12:46 pm
Re: Pot Boost Probabilities
I did one test where every player had 78 CON and another where every player had 99 CON. The first test had ~75% boost, the second ~96% (1362 players eligible for the boost each time, all with the same birthday).SharksGM wrote: ↑Sat Aug 11, 2018 1:59 pmEvery player was signed and on a pro team on the 20th. I had 100 players each with every CON from 75 to 99 and there was no dependence on CON at all.Vik (Habs) wrote: ↑Sat Aug 11, 2018 12:20 pm Are you factoring in that only signed players can boost? Because I just ran a couple tests and 45% doesn't seem like it can be right. Also, CON definitely plays a factor (higher is better).
- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
Re: Pot Boost Probabilities
Try it for yourself then: http://ehechockey.com/boosttest/players.ehm
You can use that with the current file after advancing to the 20th.
I tried it again and here are my results, pretty much the same as before: http://ehechockey.com/boosttest/players.ehm
For 1999 born:
2000:
You can use that with the current file after advancing to the 20th.
I tried it again and here are my results, pretty much the same as before: http://ehechockey.com/boosttest/players.ehm
For 1999 born:
Code: Select all
CON # boost frac
75 50 24 0.492
76 50 26
77 50 21
78 50 25
79 50 27
80 50 21 0.42
81 50 22
82 50 19
83 50 27
84 50 16
85 50 21 0.424
86 50 18
87 50 22
88 50 22
89 50 23
90 50 26 0.476
91 50 19
92 50 28
93 50 26
94 50 20
95 50 18 0.448
96 50 25
97 50 20
98 50 23
99 50 26
1250 565 0.452
Code: Select all
CON # boost frac
75 50 24 0.412
76 50 22
77 50 20
78 50 16
79 50 21
80 50 21 0.416
81 50 16
82 50 25
83 50 22
84 50 20
85 50 19 0.44
86 50 22
87 50 25
88 50 21
89 50 23
90 50 23 0.52
91 50 35
92 50 26
93 50 26
94 50 20
95 50 22 0.472
96 50 24
97 50 25
98 50 24
99 50 23
1250 565 0.452
- Vik (Habs)
- Posts: 2788
- Joined: Sun Oct 12, 2014 12:46 pm
Re: Pot Boost Probabilities
You don't have 50 players eligible for boost for each CON. I think you're counting both unsigned players and goalies. For 1999, I ran it with your file and got the following:
Code: Select all
CON # Boosts %
75 40 25 0.625
76 30 22 0.733
77 31 25 0.806
78 32 19 0.594
79 33 21 0.636
80 26 15 0.577
81 26 24 0.923
82 27 24 0.889
83 37 29 0.784
84 19 13 0.684
85 27 22 0.815
86 20 15 0.750
87 25 21 0.840
88 31 27 0.871
89 31 28 0.903
90 29 25 0.862
91 26 21 0.808
92 31 26 0.839
93 31 26 0.839
94 22 18 0.818
95 20 18 0.900
96 26 23 0.885
97 22 21 0.955
98 24 21 0.875
99 26 25 0.962
All 692 554 0.801
- SharksGM
- Site Admin
- Posts: 8501
- Joined: Tue Sep 22, 2009 9:21 pm
Re: Pot Boost Probabilities
You raise a good point. Everyone was signed, but I forgot to change their teams to pro teams from 98/99. I wonder how the probability of a player being on a pro team changed with row number to conspire to make the pot boost chance 45% across the board.
Anyway, having fixed that, the odds of a boost are pretty close to CON%. That's even higher than I thought. But if it's really as high as 70% for a 75 CON prospect, then the average 75 CON draftee should only fail to boost twice 9% of the time. I could swear that the fraction of failed single boosters is more than 10%.
Anyway, having fixed that, the odds of a boost are pretty close to CON%. That's even higher than I thought. But if it's really as high as 70% for a 75 CON prospect, then the average 75 CON draftee should only fail to boost twice 9% of the time. I could swear that the fraction of failed single boosters is more than 10%.
- Vik (Habs)
- Posts: 2788
- Joined: Sun Oct 12, 2014 12:46 pm
Re: Pot Boost Probabilities
I tried it out last year and it was a big reason I figured I wasn't entirely crazy to go after Kostin (if anyone hadn't figured out why my initial tests were with 78 CON).SharksGM wrote: ↑Sat Aug 11, 2018 10:29 pmAnyway, having fixed that, the odds of a boost are pretty close to CON%. That's even higher than I thought. But if it's really as high as 70% for a 75 CON prospect, then the average 75 CON draftee should only fail to boost twice 9% of the time. I could swear that the fraction of failed single boosters is more than 10%.
Re: Pot Boost Probabilities
All the pot boosters. GG San Jose on the Godly Gildon.
Code: Select all
Name POT CON Age POT2 Pot Change Team
Logan Hutsko 58 77 19.5 78 20 NJ
Alexis Binner 54 75 19.7 74 20 TB
Maxwell Gildon 68 86 19.2 78 10 SJ
Timothy Liljegren 69 80 19.3 79 10 NYR
Ilya Karpukhin 68 75 20.1 78 10 ANA
Klim Kostin 67 78 19.3 77 10 MTL
K'Andre Miller 66 78 18.5 76 10 VAN
Ryan Merkley 69 78 18 79 10 SJ
Jonatan Berggren 68 79 18.1 78 10 LA
Kirill Marchenko 66 76 18 76 10 CGY
Alexander Khovanov 64 75 18.3 74 10 MTL
Semyon Der-Arguchintsev 68 76 17.9 78 10 SJ
Jack Perbix 68 75 17.9 78 10 NYR
Nate Schnarr 64 82 19.1 74 10 None
Dmitri Samorukov 64 79 19.1 74 10 MTL
Griffin Mendel 65 83 19.5 75 10 WIN
Josh Anderson 65 69 19.9 75 10 None
Jack McBain 63 79 18.6 73 10 SJ
Kasper Kotkansalo 64 88 19.7 74 10 WIN
Alex Formenton 64 76 18.9 74 10 None
Ruslan Ishkakov 67 78 18 77 10 CAR
Robbie Stucker 67 79 19.9 77 10 MTL
Ivan Muranov 62 78 18.8 72 10 CAR
Adam Thilander 64 76 19.9 74 10 WIN
Kevin Elgestål 52 98 22.2 62 10 None
Samuel Fagemo 59 81 18.4 69 10 NJ
Morgan Barron 64 77 19.7 74 10 CGY
Joshua Burnside 55 90 23.5 65 10 None
Jan Jeník 59 84 17.9 69 10 NYR
Paul Cotter 59 78 18.7 69 10 NJ
Allan McShane 56 79 18.5 66 10 NYR
Liam Kirk 56 75 18.4 66 10 NYR
- VancouverCanucksGM
- Posts: 774
- Joined: Fri May 31, 2013 12:07 pm
- Location: Clearwater, Florida
Re: Pot Boost Probabilities
Damn, was hoping Abols would boost one more time 8-(