01 · Foundation10 min
Position
Who receives the first card, who acts first, and what position does—and does not—tell you.
Open the Position lesson →Learn · practice · summarize
Build one reliable concept at a time.
Each lesson states what it covers, asks you to recall the rule before showing feedback, and says plainly where the concept stops. No account needed, and every lesson works without JavaScript.
Foundation path
Start with action order.
Take them in order the first time through. Each one is about ten minutes and ends with three questions you answer before seeing the explanation.
02 · Foundation10 min
Pot Odds
A reproducible immediate-call formula, worked examples, and explicit modeling limits.
Open the Pot Odds lesson →03 · Foundation10 min
Decision Quality
Separate the information and reasoning available at decision time from the eventual result.
Open the Decision Quality lesson →