The incredible power of variance in poker

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giveyourcash
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Tue, 21 Jul 2009 03:00
11 (who?)
Agree (0), Disagree (0), Funny (0), Educational (0), Interesting (0)
#1
giveyourcash 646 posts Scorpionfish

Posted: Tue, 21 Jul 2009 03:00 by giveyourcash

Edited: Tue, 21 Jul 2009 03:05 by giveyourcash

Just found this neat little tool linked somewhere else so I thought I'd make a post about variance in poker and how scared of it you all should be.

http://www.pokervariancesimulator.fr/

I put in my stats so far this year and this was the result



Basically what that means is someone with the exact same real winrate as me over my hand sample of 385,000 hands could be up as much as $120,000 or as little as $20,000.

Over 1.5million hands with my current win rate and standard deviation , easily 3 years full time poker the graph looks like this



It's converged somewhat but there is still about $250,000 between the top guy and the bottom guy. Remember these are 50 hypothetical people with exactly the same stats some ran good some ran bad. So the next time you read a dickwaving brag thread just remember exactly how much variance there is in poker these graphs show it's easily possible to go on prolonged heaters when you're actually not all that good of a player. Something to think about anyway...
#2
Kloonike 1063 posts Swordfish

Posted: Tue, 21 Jul 2009 03:27 by Kloonike

In other words, if you are a losing player and haven't played at least a million hands, keep playing, because you might be just running bad.
#3
giveyourcash 646 posts Scorpionfish

Posted: Tue, 21 Jul 2009 03:53 by giveyourcash

Edited: Tue, 21 Jul 2009 03:55 by giveyourcash

Here's an interesting one these are the graphs of 50 2big blind/100 losers at 2/4NL over 300,000 hands.



notice a few of them are breakeven/up slightly and one is up nearly $20,000

edit either I'm dumb at posting images or this forum is dumb at having images posted on it but here is the direct link

http://img119.imageshack.us/img119/7044/varilose.jpg
#4

Posted: Tue, 21 Jul 2009 12:14 by zomgchipriffle

Yo gyc, whats your standard deviation/what s.d u using for the losing player graph?
#5
jabbabuck 478 posts Pufferfish

Posted: Tue, 21 Jul 2009 12:37 by jabbabuck

where did u find these stats?
sharkscope?
#6
giveyourcash 646 posts Scorpionfish

Posted: Tue, 21 Jul 2009 13:01 by giveyourcash

my std dev/100 is $378. Anyone else?
#7

Posted: Tue, 21 Jul 2009 14:09 by discomonkey

mayeb those payers who continually claim they are good and just run bad having played the game only 2 years aer sometimes right...........

im happy i have another 18months of running good left.......toungeout
#8
Kloonike 1063 posts Swordfish

Posted: Tue, 21 Jul 2009 18:38 by Kloonike

my std dev/100 is $378. Anyone else?

giveyourcash, 21/07/2009

Same $/100, but with 75/100 SD. Now I feel good about playing NL100.
#9
ponydef 50 posts Mackerel

Posted: Thu, 23 Jul 2009 12:27 by ponydef

amazing graph. thanks for posting!
#10
ralfson 166 posts Yellowfin Tuna

Posted: Thu, 23 Jul 2009 15:25 by ralfson

food for thought
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