GlossaryAt the table

3-bet

A re-raise preflop: the third bet, after the blinds and an opening raise.

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What it means
The big blind counts as the first bet and the open as the second, so a re-raise is the third bet.
How it is calculated
A 3-bet is usually about three times the open in position and about four times out of position.
Worked example
The cutoff opens to 2.5bb and the button re-raises to 8bb. The button has 3-bet, and the cutoff now faces a 3-bet.
Why it matters
3-bet pots are bigger and ranges are narrower, so mistakes there cost more. The "vs 3-bet" charts drill the response.

Try it: Range browser

Used in: Preflop charts, one page each

Lessons that teach it: The better range and the best hands · lessons other than the free one need an invite

See also: RFI, Single-raised pot, 4-bet