The Importance of Simplifications

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The Importance of Simplifications

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Nuno Alvarez

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The Importance of Simplifications

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Nuno Alvarez

POSTED Mar 13, 2021

Nuno Alvarez takes a theoretical look at the importance of playing a simplified strategy and not getting lost in the sauce when mixing strategies or playing multiple bet sizings.

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Jeff_ 4 years ago

Hero like minimalstic approach in real life as well? (less is better) :D

I have few things to write (mostly they are notes or what I think about it)
1)Seems like throwing away on the river block size not the best, block bet is very powerful and hard to play againts(for any human being)
2)That 3B A42 situations, when we range bet flop on the turn it is not gonna be simple life and complex as well. Why? If villain is really underraising and overfolding we should play super passive strategy. +++ Bigger pot get bigger mistakes we able to do(and with range bet we will always increase it) :(
Honestly to me nowadays seems like quite big edge can be gained by counter playing those range bet guys.

ps for sure I agree about simplifiying nodes and minimalstic life approach (thumbs up)

Nuno Alvarez 3 years, 11 months ago

Hey Jeff!

Hero like minimalstic approach in real life as well? (less is better)
:D

Haha, I do like the minimalistic approach in real life as well although I'm not very good at it :P

1)Seems like throwing away on the river block size not the best, block
bet is very powerful and hard to play againts(for any human being)

I agree! I just tried to explain in the video the fact that we will basically never be able to implement a blockbet sizing OTR in a balanced way and even if we did, the EV that we will gain from it wouldn't be that huge. That said, using a blockbet sizing exploitaively can be one of the most powerful weapons of our strategy.

2)That 3B A42 situations, when we range bet flop on the turn it is not
gonna be simple life and complex as well. Why? If villain is really
underraising and overfolding we should play super passive strategy.
+++ Bigger pot get bigger mistakes we able to do(and with range bet we will always increase it) :(

I think that the EV gain that we get from just cbetting every board and forcing our opponents to make mistakes compensates for any possible EV gain by playing a mixed strategy that can expose our weaknesses in later streets.

Honestly to me nowadays seems like quite

big edge can be gained by counter playing those range bet guys.

This is true but people just don't do it enough IMO.

RunItTw1ce 3 years, 11 months ago

17:30 When you have (pot 72) 99 sizing at 2%, 48 sizing at 21%, and 24 sizing at 22%, can you average these out to determine which size is best to use when simplifying? Previous video of yours mentioned when sizes are evenly split can take an in-between size with betting range rather than splitting. Would the formula below be correct?

(99(.02) x 48(.21) x 24(.22))\3 = 35.

For the sim at 17:30 wonder if EV stays about the same when you choose a 35 sizing (half pot) vs a smaller 25% sizing.

29 min with a 3BP on A42ss you show how if you force a range bet hero loses 32bb\100 when IP responds accordingly. I wonder with the complex strategy where IP was raising 15% of the time before you forced a range bet and 31% after you forced a range bet. Can you show if you gain EV if you force range bet but raising range stays the same at 15%? You node locked hero's strategy of range bet but can you node lock the mixed strategy of opponent as well? Curious of the EV gain since humans will not adjust accordingly.

Thank you another great video.

Nuno Alvarez 3 years, 11 months ago

Hey RunItTw1ce, glad you liked it!

17:30 When you have (pot 72) 99 sizing at 2%, 48 sizing at 21%, and 24
sizing at 22%, can you average these out to determine which size is
best to use when simplifying? Previous video of yours mentioned when
sizes are evenly split can take an in-between size with betting range
rather than splitting. Would the formula below be correct?

(99(.02) x 48(.21) x 24(.22))\3 = 35.

Yes, this is a fine approach when trying to determine which size is best to simplify our strategy. The way I do it is to just see which sizing the solver likes the most and then re-run the sim only allowing that sizing and take a look at the EV loss. Merging sizings is also a good idea when the bet % is spread evenly among multiple different size options.

For the sim at 17:30 wonder if EV stays about the same when you choose
a 35 sizing (half pot) vs a smaller 25% sizing.

The smaller sizing tends to outperform the half pot sizing in these spots by quite a lot since it allows us to go really thin and still maintain a 2/3 or pot betsize with our stronger value hands.

29 min with a 3BP on A42ss you show how if you force a range bet hero
loses 32bb\100 when IP responds accordingly. I wonder with the complex
strategy where IP was raising 15% of the time before you forced a
range bet and 31% after you forced a range bet. Can you show if you
gain EV if you force range bet but raising range stays the same at
15%? You node locked hero's strategy of range bet but can you node
lock the mixed strategy of opponent as well? Curious of the EV gain
since humans will not adjust accordingly.

Here you can see the EV of the rangebet strategy and here you can see the EV of the locked one. Not a huge gain but a decent one. And this will be assuming that they don't overfold at all which is higly unlikely IMO!

RunItTw1ce 3 years, 11 months ago

Nuno Alvarez The comment above comparing 104.99 EV vs locked one 106.15 so only difference is 1.16? One sim is for when opponent only raises 15% and other one is the 31%? Thought EV would be higher if only half the raise frequency.

Nuno Alvarez 3 years, 11 months ago

Yeah that's correct. It's not that big of an EV difference because IP is still playing GTO on later streets and it's not overfolding at all!

CatorMan 3 years, 11 months ago

Nice video, heads up guys are good at explaining tougher concepts it seems. I go back and forward between trying to implement multiple sizes and just one.

On the flop and turn, I like to just play 1 sizing. On the river I stick to two a block and a big bet. This seems to me (may be wrong) a better spread as hands intuitively fit into either size. 66 and 132 are much closer in terms of hand types and actual % than say 30/130 etc. Thoughts?

Nuno Alvarez 3 years, 11 months ago

Thanks CatorMan. Glad you liked it!

Your sizing distribution for the River seems good if OOP. When you are IP you don't have as much incentive on using blockbets since your opponent's range will be more capped. Therefore a ~ 66% / ~ 130% betting scheme makes more sense!

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