Poker probability fundamentals
A practical introduction to combinations, conditional probability, and the sample space behind Hold'em.
Read the lesson βA practical introduction to combinations, conditional probability, and the sample space behind Hold'em.
Read the lesson βCount pair, suited, and offsuit combinations, then update those counts as known cards leave the deck.
Read the lesson βUnderstand wins, ties, pot equity, opponent ranges, and why equity changes from street to street.
Read the lesson βCount clean outs, calculate exact probabilities, and use the rule of 2 and 4 with appropriate caution.
Read the lesson βRead paired, suited, and connected boards by listing what is already possible and what future cards change.
Read the lesson βCompare the cost of continuing with the pot you can win, then turn that ratio into a testable threshold.
Read the lesson βUnderstand the 169 hand classes, domination, position, multiway pressure, and why charts need context.
Read the lesson βUnderstand sampling error, confidence intervals, convergence, and why more trials do not repair weak assumptions.
Read the lesson βRead the assumptions, simulation process, limitations, and a reproducible validation example.
Read the lesson βBegin with probability and card combinations, continue to equity, then practice counting outs and reading board textures. The simulation-accuracy and methodology lessons explain how to interpret calculator output. Use made-up examples or review completed hands; do not use the tool during real-money play.