Advanced Fixed-Limit: Big-Blind Defense

  • Recorded coachings
  • FL
  • $0.05/$0.10 - $0.50/$1
  • Shorthanded
(8 Votes) 7015


datsmahname presents a limit hold 'em podcast where the topic of big blind defense will be discussed.


Blind Defense Blindbattle limit hold em podcast

Comments (10)

newest first
  • EuanM


    Enjoy the strategy podcast with "datsmahname" and please leave your thoughts & feedback for the coach!
  • circe


    Logic knot part 3 and 4 by Boomer2K discusses the same subject, much deeper and therefore much better.
  • datsmahname


    yep, boomers videos are good ones. for those who can, definitely check those out.
  • InvertedRow


    22:56 QJo Don't you think fold is a little bit too weak? I've played with equilab and we have 24.5% EQ on that flop vs his 18% range so obv too little to call. But what about x/r and bet good turn card? 72% of his range consists of overcards (+gs for Ahighs) and he may not be willing to continue with that on turn. Or the pot is just too small and I'm ovethinking it?
  • datsmahname


    Hey Inverted, thx for pick that up.

    Its a marginal spot and if I fold QJo here there's a real risk that I'm folding flops exploitable against his open raise. Against a LAG I would be much more inclined to continue.

    I am getting 5:1 so I could call all in for sure with 24% equity, but peeling with just my roughly 4 outer draw and no real SD value is a tough bargain.

    With all those overcard combos that you mentioned about, sometimes I'll just bluff with certain overcard combos but his A-high range is always seeing a river card with overs+GSSD. If he's not likely to fold a wide range of turns then to me it seems like our cost to bluff is too high.
  • tehhands


    Hi datsmahname,

    I enjoyed your video and am hoping it's not too late to ask you a few questions.

    1. I'm wondering if you can help me understand the rake in micro games. If we need 50% equity vs villain's calling range to value bet river HU IP in an unraked game, how much is needed in a 4.5% rake game?

    2. I think you said to 3 bet button open from SB you'd need 43% equity. How was this figure reached?

    3. 35:20 You say you need to call a raise here because "if we bet-fold 2 pair here we're folding too much". The pot would be 4.1 to .5 so you'd need to be good around 9% to call river, right? I would have thought you could almost fold sets here? Are you talking about GTO? How did you work out your range (frequency?) for calling?

    4. You open T8s from H/J because C/O and BTN will make incorrect folds. So they're folding often enough to make the hand profitable. I get that, but I'm confused about what their 'correct' course of action would be?

    4. 58:30 You open KJ in CO. BB calls. A76 flop, he calls. Q on turn. Is betting turn there your standard play there? A bet from me there would be very rare. I'd need to know he's very passive and likes to fold turns for me to bet this. Do you think this is a mistake on my part?

    5. You fold 22 from BB vs a 20 or 23% LP open HU. What else do you fold there? At what point is any pair profitable do you think?

    Good video datsmahname!
  • tehhands


    Oh one more quick question, if you don't mind.

    You open A8o UTG and get 3 bet and 4 bet behind you. You do a good job explaining why you fold here. What is your calling range here to the 4 bet? What about if you're C/O or BTN when you open raise. Do you still fold A8o?
  • datsmahname


    I have a correction for this video. Position is 4 big blinds (not BB). This will be addressed during the next podcast as well.

    Hey tehhands, lots of questions here. I'll do my best.

    1: The probability that we pay the rake is always related to our probability of winning the hand. Also, we don't always need 50% equity for betting the river to be the best option.

    I also think we can also bet with less than 50% equity in some situations. Suppose we're in a 5BB pot on the river. If we check our opponent will occasionally bluff and lets say he'll bluff exactly often enouhg for us to break even by calling.... Well, what would happen if our opponent is MORE likely to call a bet with worse hands than ours? Arguably betting has a higher expectation because our hand wins more often against his river calling range than against his river betting range.

    This gets complicated by other factors like river value raises if we intend to call or river bluff raises if we intend to fold. It becomes complicated if he'll value bet a worse hand when we check. In any case, we don't always need to have over 50% equity to profit by 'value' betting the river.

    2: We certainly need at least 43% equity. This occurs if the big blind essentially alwyas folds and we play for an average pot of 7.25BB. This value does not account for the rake or the fact that we're out of position. I'll be covering this next week in great detail.

    3: Folding to much implies that our opponent would profit greatly from bluff raising. Folding to much would mean we can be exploited by bluffs.

    Basically, on the river the probability that we should fold against an unknown's raise is equal to his cost to bluff raise divided by the pot size. Its much more complicated on earlier streets because we're not necessarily done putting money in the pot and both players hands are subject to change.

    4: Correct play for the CO against a HJ open can be found in the expert preflop article.
  • datsmahname


    4.b: I wouldn't put much stock on that hand because I was having a little trouble paying attention. Sometimes we can barrel if villain will fold weak pairs or if he tends to have many draws. I'm not exactly sure what the best standard strategy would be. My guess is that betting as a semi-bluff with sometimes 10 outs is good if we can get him to fold 6x and weak pocket pairs. This is complicated by the fact that we have SD value.

    5: In general we need 35% equity to continue in the big blind against an open raise.

    If a hand is close but playable then play it. If its close but difficult to play (K2o, Q3s) then fold. 22 imo figures to win slightly less than its equity.

    Other than that its a straight forward equity calc. Looks like I have about 40% equity so I should have continued. Folding was a mistake. If our opponent only opens about 6-7% of hands then we should fold 22.

    I didn't find that A8o hand. I will say I haven't developed a really solid strategy for folding an open raise against a 3-bet and 4-bet.
  • tehhands


    Thanks datsmahname!