Chart library / Big Blind vs Under the Gun 12bb
Big Blind calling range vs. Under the Gun shove - 12bb, 9-max
Big Blind calls 10% of hands here at 12bb effective (17 of 169 starting hands go in at full frequency). Facing an all-in from Under the Gun, this is Big Blind's continuing range (call or shove) rather than an opening range.
This is a restricted shove/fold solve, not a complete opening strategy. It does not compare a shove with smaller raises, limps or postflop lines at this depth.
Model: chip-EV; 0.125bb ante per player, not a big-blind ante. Stacks are measured before posting blinds and antes. Solver 0.2.1. The opponent is already all-in; this is a continue-or-fold decision.
Exact mixed frequencies (5)
A9s 91% shove / 9% fold,KJs 6% shove / 94% fold,KQo 13% shove / 87% fold,ATo 85% shove / 15% fold,55 97% shove / 3% fold
Big Blind vs. Under the Gun call range at 12bb, hand by hand
Always call — 17 of the 169 starting hands: 66+, ATs+, KQs, AJo+
Less than always — 5 hands the solver calls only some of the time: 55 (97%), A9s (91%), ATo (85%), KQo (13%), KJs (6%).
Across every hand dealt, that is 10% of hands played, weighted by how often each one is dealt.
Compared to 15bb
Big Blind calls 7 hands at 12bb that it folds at 15bb: ATs, A9s, KQs, AJo, ATo, 66, 55.
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Common questions
- What percentage of hands does Big Blind continue with against a Under the Gun all-in at 12bb?
- Big Blind calls 10% of hands at 12bb effective, 9-max. The chart compares only the listed all-in and fold decisions.
- Is this a baseline or an exploit range?
- This is a chip-EV baseline for a restricted shove/fold model. It does not compare limps, smaller raises or postflop play, and it is not a guarantee of unexploitable multiplayer play. Separate exploit solves target specified opponent tendencies.
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Stack depths covered on this site: 15bb, 12bb, 10bb, 8bb, 5bb. Back to the chart library →