Who graded it
Every table grade names its source: Solver, Chart or Rule of thumb.
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- What it means
- Solver grades come from a solved strategy: the postflop packs and the push/fold solutions. Chart grades come from the preflop range charts. Rule-of-thumb grades weigh your equity against a range the opponent is assumed to have, on later streets and in ICM spots near the money.
- How it is calculated
- The label sits next to the grade. A rule of thumb is not exact, so a play it would call a blunder is shown as Likely mistake, with a line saying why.
- Worked example
- Folding aces first in preflop reads Blunder · Chart. Calling a 10bb river bet into 20bb with 18% equity against the assumed range, when the call needs 25%, reads Likely mistake · Rule of thumb.
- Why it matters
- Knowing where a grade comes from tells you how far to trust it: a solver or chart grade is the answer, a rule of thumb is a strong hint.
See also: Grade, Approximate grade, Solver flops