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SB open raise range at 25bb — 9-max tournament (MTT)

9-max · tournaments · 25bb eff

At 25bb effective in a 9-max tournament (MTT), GTO preflop strategy plays 88.1% of hands from the Small Blind when the action folds to you: 28.1% open raise to 3.5bb, 60% limp, and 11.9% fold. 84 of the 169 starting hands are played as a mixed strategy rather than a pure one. For comparison, the same seat at 20bb plays 89.5% — 1.5 points tighter. At this depth, Button plays 49%.

Open raise all in7.8%104 combos
Open raise 3.5bb20.3%269 combos
Limp60%795 combos
Fold11.9%158 combos
Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): 33-22, AA+, A7s, T9s+, 98s+, 87s+, 76s+, A9o-A6o
Opened at 50%+ frequency: 33-22, 99+, A6s+, KTs+, T9s+, T4s-T3s, 98s+, 87s+, 83s, 76s+, 65s+, A9o-A3o, KQo+, K9o-K7o, K5o, QJo+, Q5o, J5o
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Frequently asked

What percentage of hands should you open from the Small Blind at 25bb?

In a 9-max tournament (MTT) at 25bb effective, GTO strategy plays 88.1% of hands, mostly as an open raise to 3.5bb.

What is the standard open raise size from the Small Blind at 25bb?

3.5bb. The size comes from the solution itself, not a convention.

Which hands are always opened from the Small Blind at 25bb?

The pure (100% frequency) part of the range is: 33-22, AA+, A7s, T9s+, 98s+, 87s+, 76s+, A9o-A6o.