Chart library / Big Blind vs Under the Gun 5bb
Big Blind calling range vs. Under the Gun shove - 5bb, 6-max
Big Blind calls 53% of hands here at 5bb effective (95 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 chart compares only shove and fold in a short-stack model. Smaller raises or limps can still matter in the full game; they are not evaluated here.
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 (16)
J4s 89% shove / 11% fold,J3s 3% shove / 97% fold,T5s 1% shove / 99% fold,95s 93% shove / 7% fold,J8o 91% shove / 9% fold,T8o 96% shove / 4% fold,84s 3% shove / 97% fold,97o 6% shove / 94% fold,87o 96% shove / 4% fold,74s 98% shove / 2% fold,76o 70% shove / 30% fold,63s 4% shove / 96% fold,53s 98% shove / 2% fold,K4o 88% shove / 12% fold,43s 11% shove / 89% fold,K3o 3% shove / 97% fold
Big Blind vs. Under the Gun call range at 5bb, hand by hand
Always call — 95 of the 169 starting hands: 22+, A2s+, K2s+, Q2s+, J5s+, T6s+, 96s+, 85s+, 75s+, 64s+, 54s, A2o+, K5o+, Q8o+, J9o+, T9o, 98o
Less than always — 16 hands the solver calls only some of the time: 74s (98%), 53s (98%), T8o (96%), 87o (96%), 95s (93%), J8o (91%), J4s (89%), K4o (88%), 76o (70%), 43s (11%), 97o (6%), 63s (4%), J3s (3%), 84s (3%), K3o (3%), T5s (1%).
Across every hand dealt, that is 53% of hands played, weighted by how often each one is dealt.
Compared to 8bb
Big Blind calls 57 hands at 5bb that it folds at 8bb: K8s, K7s, K6s, K5s, K4s, K3s, K2s, Q8s, Q7s, Q6s, Q5s, Q4s, Q3s, Q2s, J9s, J8s, J7s, J6s, J5s, J4s, QTo, JTo, T9s, T8s, T7s, T6s, K9o, Q9o, J9o, T9o, 98s, 97s, 96s, 95s, K8o, Q8o, J8o, T8o, 98o, 87s, 86s, 85s, K7o, 87o, 76s, 75s, 74s, K6o, 76o, 65s, 64s, K5o, 54s, 53s, K4o, A3o, A2o.
Hands right on the edge
These aren't clean shove-or-fold decisions - the solver mixes its strategy on each one: 76o (70% call).
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Common questions
- What percentage of hands does Big Blind continue with against a Under the Gun all-in at 5bb?
- Big Blind calls 53% of hands at 5bb effective, 6-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 →