What percentage of hands does Small Blind open at 20bb?

Small Blind open-raises 48% of hands at 20bb effective, 6-max - 89 of the 169 starting hands go in at full frequency.

Is this a GTO or an exploit range?

This is a GTO (game-theory-optimal) chip-EV range, balanced to be unexploitable against any opponent. Exploit ranges that deviate from this against a specific known tendency are a separate, Pro-tier solve.

Ranges / Small Blind 20bb

Small Blind push/fold chart - 20bb, 6-max

Small Blind open-raises 48% of hands here at 20bb effective (89 of 169 starting hands go in at full frequency). The small blind opens into just the big blind, a heads-up spot where a wide, aggressive range is usually correct.

At this depth you're deep enough that a few of the weakest hands here play slightly better as a raise you can fold to real aggression than as a flat shove, though shoving stays close to optimal for the bulk of this range.

ShoveFold

Small Blind shove range at 20bb, hand by hand

Always shove — 89 of the 169 starting hands: 22+, A2s+, K2s+, Q5s+, J6s+, T6s+, 96s+, 85s+, 75s+, 64s+, 54s, A2o+, K6o+, Q9o+, J9o+, T9o, 98o

Less than always — 20 hands the solver shoves only some of the time: Q4s (99%), J5s (98%), T8o (98%), 87o (97%), K5o (96%), 95s (83%), 74s (40%), Q3s (16%), J8o (11%), 53s (8%), J4s (6%), 76o (5%), T5s (4%), Q8o (4%), 97o (4%), K4o (3%), T4s (2%), 84s (2%), Q2s (1%), J3s (1%).

Across every hand dealt, that is 48% of hands played, weighted by how often each one is dealt.

Compared to 25bb

Small Blind shoves 7 hands at 20bb that it folds at 25bb: J5s, 95s, T8o, K7o, 87o, K6o, K5o.

Hands right on the edge

These aren't clean shove-or-fold decisions - the solver mixes its strategy on each one: 74s (40% shove).

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Small Blind at other stack depths

Other positions at 20bb

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Learn the theory behind this chart

How to Read a Push/Fold Chartguide
Short Stack Poker Strategyguide
What Is an Effective Stack? A Guide to Stack Depthguide
Push/Fold Strategy by Stack Depth: 5bb vs. 10bb vs. 15bbguide
Push/Fold Pokerglossary
Shoving Rangeglossary

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Stack depths covered on this site: 30bb, 25bb, 20bb, 15bb, 12bb, 10bb, 8bb, 5bb. See all ranges →