Heads-Up Nash Push/Fold Charts
Short-stacked heads-up play collapses to one decision: jam or fold. These are the equilibrium ranges for that decision at each common stack depth: the small blind's open-jamming range, and the big blind's calling range against it.
Solving this depth… the first request at a new stack depth runs the solver, so it can take a few seconds.
How to read these charts
Each grid is the standard 13×13 hand-class layout: pairs on the diagonal, suited hands above it, offsuit hands below. A shaded cell is in the range; the darker the shade, the more often equilibrium takes that action with it. Cells that stay clear are folds.
The ranges are solved rather than memorised from a published table, so they move with the structure. Add a big-blind ante and both ranges widen, because there is more dead money to win. Shallower stacks widen the jamming range too: with five big blinds the small blind is jamming most of the deck.
Charts are a starting point, not a strategy. Against an opponent who calls far too tight you should jam wider than this; against a station you should tighten. Drill the marginal spots in the ranked Trainer to learn where the boundaries actually sit.
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