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BTN open raise range at 40bb — 9-max tournament (MTT)

9-max · tournaments · 40bb eff

At 40bb effective in a 9-max tournament (MTT), GTO preflop strategy plays 55.5% of hands from the Button when the action folds to you: 55.5% open raise to 2bb, and 44.6% fold. For comparison, the same seat at 30bb plays 48.9% — 6.6 points wider. At this depth, Cutoff plays 40.2%.

Open raise 2bb47.2%626 combos
Marginal open raise8.2%109 combos
Fold44.6%591 combos
Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): 22+, A2s+, K2s+, Q2s+, J2s+, T3s+, 95s+, 85s+, 74s+, 64s+, 53s+, 43s+, A2o+, K5o+, Q6o+, J7o+, T7o+, 97o+, 87o+, 76o+
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Frequently asked

What percentage of hands should you open from the Button at 40bb?

In a 9-max tournament (MTT) at 40bb effective, GTO strategy plays 55.5% of hands, mostly as an open raise to 2bb.

What is the standard open raise size from the Button at 40bb?

2bb. The size comes from the solution itself, not a convention.

Which hands are always opened from the Button at 40bb?

The pure (100% frequency) part of the range is: 22+, A2s+, K2s+, Q2s+, J2s+, T3s+, 95s+, 85s+, 74s+, 64s+, 53s+, 43s+, A2o+, K5o+, Q6o+, J7o+, T7o+, 97o+, 87o+, 76o+.