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SB open raise range at 20bb — 9-max tournament (MTT)

9-max · tournaments · 20bb eff

At 20bb effective in a 9-max tournament (MTT), GTO preflop strategy plays 89.5% of hands from the Small Blind when the action folds to you: 32% open raise to 3bb, 57.5% limp, and 10.5% fold. 76 of the 169 starting hands are played as a mixed strategy rather than a pure one. For comparison, the same seat at 15bb plays 85.8% — 3.7 points wider. At this depth, Button plays 47.8%.

Open raise all in21.2%281 combos
Open raise 3bb10.9%144 combos
Limp57.5%762 combos
Fold10.5%139 combos
Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): 44-22, KK+, 97s, 85s+, 75s+, 65s+, 54s+, AQo-A2o, KJo-K9o
Opened at 50%+ frequency: 44-22, QQ+, A6s-A5s, KTs-K9s, Q6s, T9s+, T7s, T3s, 96s+, 85s+, 75s+, 64s+, 54s+, 32s+, A2o+, KJo-K8o, K6o, QJo+, 87o+, 76o+
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Frequently asked

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

In a 9-max tournament (MTT) at 20bb effective, GTO strategy plays 89.5% of hands, mostly as an open raise to 3bb.

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

3bb. 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, KK+, 97s, 85s+, 75s+, 65s+, 54s+, AQo-A2o, KJo-K9o.