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GTO lessons in half a minute.

The ideas behind the solver, each shown on a real solved spot.

The basics

What GTO is, why it bluffs, and how far any solve is from perfect.

1

What is GTO?

Why the solver checks pocket aces half the time

Pocket aces on the river. The solver moves all-in half the time, and checks the other half. That's not a glitch. That's GTO.

Watch 0:37
2

Why do solvers bluff?

Nine-high, every draw missed, and the solver shoves

Nine-high. Every draw missed. And the solver shoves sixty-eight big blinds into sixty-four. Every single time.

Watch 0:38
3

What is exploitability?

Every solver is wrong. Here is by how much

Every solver is wrong. The only question is: by how much?

Watch 0:35
4

GTO or exploit?

GTO is not the most profitable strategy

GTO is not the most profitable way to play poker. Here's the proof.

Watch 0:34

Card removal

How the cards in your hand change your opponent’s range.

5

Blockers

Ace-king calls. The other ace-king folds

Your card changes his range. Here's the proof.

Watch 0:40
6

Unblockers

The worst hand makes the best bluff

The worst hand makes the best bluff. Here's the proof.

Watch 0:40
7

Checking the nuts

A full house with jacks, and the solver checks

Best play with the nuts? Here, it's checking. I'll tell you why.

Watch 0:36

Player types

When a read beats the equilibrium.

8

Against a maniac

GTO folds this. Against a maniac, call

GTO is not the most profitable way to play poker. Here's why.

Watch 0:45

Free preflop ranges, every spot.

Solver ranges for 6-max cash at 100bb: opens, defending, 3-bets, 4-bets and 5-bets for every position. 80 charts, each with the hands behind every action.

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Illustration, not solver output.