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SB open raise range at 20bb — Spin & Go (3-max)

3-max · spin & go · 20bb eff

At 20bb effective in a Spin & Go (3-max), GTO preflop strategy plays 64.5% of hands from the Small Blind when the action folds to you: 41.2% open raise to 2.5bb, 23.4% limp, and 35.5% fold. 94 of the 169 starting hands are played as a mixed strategy rather than a pure one. For comparison, the same seat at 15bb plays 62.3% — 2.2 points wider. At this depth, Button plays 35%.

All in7.5%99 combos
Open raise 2.5bb33.7%447 combos
Limp23.4%310 combos
Fold35.5%470 combos
Same seat, other stacks
8bb10bb15bb20bb25bb
Same stack, other seats
SBBTN
Range in text form
Pure opens (100%): 44-22, 88+, A7s+, K9s+, JTs+, T9s+, 95s, A9o-A8o, A6o, K6o
Opened at 50%+ frequency: 44-22, 66+, A6s+, K9s+, K5s-K3s, QTs+, Q7s-Q4s, J9s+, J7s, J5s-J3s, T9s+, T6s-T3s, 98s+, 96s-95s, 86s-85s, 75s-74s, 63s+, 53s+, 43s+, AQo+, ATo-A2o, K5o+, Q8o+, J8o+, T8o+, 97o+, 87o+, 76o+
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Frequently asked

What percentage of hands should you open from the Small Blind at 20bb?

In a Spin & Go (3-max) at 20bb effective, GTO strategy plays 64.5% of hands, mostly as an open raise to 2.5bb.

What is the standard open raise size from the Small Blind at 20bb?

2.5bb. The size comes from the solution itself, not a convention.

Which hands are always opened from the Small Blind at 20bb?

The pure (100% frequency) part of the range is: 44-22, 88+, A7s+, K9s+, JTs+, T9s+, 95s, A9o-A8o, A6o, K6o.