Push or fold

BB call vs SB jam at 12bb (heads-up, no antes)

Heads-up, 12bb effective, no antes. The SB jams; you are in the BB: call or fold?

Nash calling range against an equilibrium shove at 12 big blinds: 33% of hands. Calling too tight lets the SB jam wider for free; calling too loose pays off the strong part of the range.

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Fold
33.0% of hands continue, 33.0% by calling
Call
The full range is part of Pro.
Call
The calling range (33.0% of hands, the grey cells) is part of Pro.

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