♠Preflop Ranges
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BTN open raise range at 20bb — 9-max tournament (MTT)

9-max · tournaments · 20bb eff
This chart
Open raise all in9%120 combos
Open raise 2bb20.4%270 combos
Limp18.3%242 combos
Fold52.3%694 combos
One of 15,000+ solved charts. The viewer has this seat facing a raise, a jam and a limp too.
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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 47.7% 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.