medium · Poker Theory Preflop

Scenario: Game: No-Limit Hold'em | Format: Cash Game | Blinds/Antes: 1/2, no ante | Effective Stacks: 100 bb | Hero Position: SB. Facing an open to $6 from the HJ, why is the SB range typically 3-bet or fold only, with no flat-calling range?

1. Because the Hero has already posted $1, they are essentially 'pot committed' to a 3-bet. (under this line) (under this line)
2. House rules in most 6-max cash games prohibit the SB from flat-calling an open.
3. The SB always has a range advantage over the HJ and should therefore always raise.
4. Flat-calling out of position in a multiway-prone pot results in terrible equity realization (EqR) and invites a BB squeeze.

Sign up free to see the explanation and track your rank →