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BTN 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 47.8% of hands from the Button when the action folds to you: 29.5% open raise to 2bb, 18.4% limp, and 52.2% fold. 81 of the 169 starting hands are played as a mixed strategy rather than a pure one. For comparison, the same seat at 15bb plays 45.3% — 2.6 points wider. At this depth, Cutoff plays 33.8%.

Open raise all in9.1%120 combos
Open raise 2bb20.4%270 combos
Limp18.4%243 combos
Fold52.2%693 combos
Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): 44-22, A4s-A2s, QJs+, T9s+, 98s+, A9o-A5o
Opened at 50%+ frequency: 22+, AQs+, A9s-A8s, A4s-A2s, KJs+, K6s-K4s, QJs+, Q7s-Q5s, J5s+, T6s+, 97s+, 87s+, 85s, 76s+, 65s+, A3o+, K9o+, QTo-Q9o, J9o+, T9o+
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Frequently asked

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

In a 9-max tournament (MTT) at 20bb effective, GTO strategy plays 47.8% of hands, mostly as an open raise to 2bb.

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

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

Which hands are always opened from the Button at 20bb?

The pure (100% frequency) part of the range is: 44-22, A4s-A2s, QJs+, T9s+, 98s+, A9o-A5o.