How to calculate pot odds and use them to decide a call
Pot odds tell you the minimum share of the time a hand has to win for a call to pay. Here is the formula, two worked examples, and what it leaves out.
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Articles about the parts of poker you can actually measure. Each one answers a single question and stands on its own.
Push or fold: how a short stack changes tournament decisions
Why a short tournament stack collapses into all in or fold, what fold equity depends on, and why a push or fold chart is a model rather than an answer.
What VPIP and PFR mean, and what the gap between them says
VPIP is how often a player enters a pot by choice, PFR is how often they raise. What each one counts, how to read the gap, and how many hands it takes.