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StrategySit & Go

The Bubble Factor in different SnG formats

Introduction

In this article
  • The bubble factor
  • Why calling ranges vary
  • How to adapt your play

This article will introduce you to the bubble factor and its impact in various SnG tournaments. You will learn how to adjust your game in the early phase, on the bubble and when you are in the money for each type of SnG.

We will focus on the following types of SnGs:

  • Full-ring SNG with a 50%/30%/20% payout structure
  • Short-handed SNG with a 65%/35% payout structure
  • Double or Nothing SNG with a 20%/20%/20%/20%/20% payout structure

This article will require an understanding of the Independent Chip Model and the concept of odds and outs. Be sure you know what these are before you continue reading.

 

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Comments (7)

#1 looserbaby79, 24 Sep 09 04:03

i miss some histogram or more explanation to this charts<br /> for example second chart<br /> fold 25 loose 0 win 3.9 bf xyz <br /> wtf is bf and wtf are this numbers :-]

#2 Koshburger, 10 Feb 10 02:34

ok

#3 unicorn221, 18 Apr 10 19:24

why is this one basic and ICM silver...it should be the other way around

#4 Arthibald1, 19 May 10 13:10

Under fold, lose, win is the % prize pool equity you would have following these results.<br /> <br /> In the example, you have 25% of the prize pool equity:<br /> <br /> If you fold you keep 25%,<br /> <br /> If you call and loose, you now have 0% (and a cry)<br /> <br /> If you call and win, you now have 38.5%.<br /> <br /> BF is the bubble factor.<br /> <br /> It is calculated as the equity you lose if you call and lose (25%)<br /> over equity you win if you call and win (38.5 - 25 = 13.5%)<br /> <br /> BF = 25/13.5 = 1.9<br /> <br /> Hope this helps.

#5 Arthibald1, 19 May 10 13:10

Under fold, lose, win is the % prize pool equity you would have following these results.<br /> <br /> In the example, you have 25% of the prize pool equity:<br /> <br /> If you fold you keep 25%,<br /> <br /> If you call and loose, you now have 0% (and a cry)<br /> <br /> If you call and win, you now have 38.5%.<br /> <br /> BF is the bubble factor.<br /> <br /> It is calculated as the equity you lose if you call and lose (25%)<br /> over equity you win if you call and win (38.5 - 25 = 13.5%)<br /> <br /> BF = 25/13.5 = 1.9<br /> <br /> Hope this helps.

#6 SPADES1, 04 Feb 11 14:15

The idea of the guy above is correct, nontheless there's a mistake in the article: You can then calculate your actual pot odds by dividing the RIGHT (AND NOT THE LEFT!) side of the chip pot odds by the bubble factor. For example, with chip pot odds of 1:1, your actual pot odds are 0.8:1, since 1/1.2:1 = 0.8. In fact If I am 1:1 (BEP=50%) I put 1 to win one and if I am 1:0,8 I put 1 to win 0,8 (BEP 55,56%). The way you wrote the article says exacly the contrary: if I am 0,8:1 I have to put 0,8 ti win 1 so BEP abot 44%, absurd.

#7 monopoker, 30 Mar 15 13:55

#Arthibald1 Why 38.5% if you win? if you doble up isn´t 50%?