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Poker maths

Pot odds, outs, equity and expected value, without the scary bits.

  1. Pot odds

    How to tell in seconds whether a call is worth it, by comparing the price you are offered with your chance of winning.

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  2. Outs and equity

    How to count your outs, turn them into a percentage with the rule of 2 and 4, and avoid the outs that are not really outs.

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  3. Preflop matchups

    How often a pair beats two overcards, why ace-king is a coin flip, and the matchups worth knowing before you go all in.

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  4. Expected value (EV)

    The idea behind every good poker decision - what a play earns on average - with examples for calls, bluffs and all-ins.

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  5. Poker probabilities

    The odds worth knowing in Texas Hold'em - flopping a set, a flush, a pair - and how often your opponents hold the hands you fear.

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