Lesson
Jam vs. Small 4-Bet: Preflop Choice and Its Postflop Payoff
4-Bet Pots · advanced · 7 min
Tyler and Eric discuss when a four-bet jam is preferable to a smaller four-bet, focusing on whether opponents overfold or make calling mistakes with hands like ace-queen suited, pocket pairs, jacks, or sixes. The lesson also covers why solver-generated jam ranges depend heavily on exact frequencies, and why some postflop solver call ranges in four-bet pots may add almost no EV compared with simplifying to raises.
Key takeaways
- Prefer a four-bet jam when you expect the opponent to make large mistakes against the jam, such as overfolding hands that should call or calling too wide with small pairs.
- Use smaller four-bets when you believe they will induce more opponent mistakes and make more money than a jam.
- If copying a solver four-bet jam strategy, include the intended hands and frequencies precisely; changing the mix can allow opponents to overfold correctly.
- Recognize that solver jam ranges are designed to lay specific odds to threshold hands and make them indifferent, but that math trick has less value if opponents are not making large EV mistakes.
- In some four-bet pot postflop spots, very small solver EV differences may justify simplifying the strategy, such as raising instead of maintaining a thin call range.