♠Preflop Ranges
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CO open raise range at 100bb — 6-max cash game

6-max · cash games · 100bb eff
This chart
Open raise 2.3bb26.2%348 combos
Marginal open raise2.5%33 combos
Fold71.3%945 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
40bb60bb80bb100bb150bb200bb
Same stack, other seats
EPMPCOBTNSB
Range in text form
Pure opens (100%): 55+, A2s+, K4s+, Q5s+, J7s+, T8s+, 97s+, 87s+, A8o+, KTo+, QTo+, JTo+
Opened at 50%+ frequency: 44+, A2s+, K3s+, Q5s+, J7s+, T7s+, 97s+, 87s+, 76s+, 65s+, A8o+, KTo+, QTo+, JTo+

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Frequently asked

What percentage of hands should you open from the Cutoff at 100bb?

In a 6-max cash game at 100bb effective, GTO strategy plays 28.7% of hands, mostly as an open raise to 2.3bb.

What is the standard open raise size from the Cutoff at 100bb?

2.3bb. The size comes from the solution itself, not a convention.

Which hands are always opened from the Cutoff at 100bb?

The pure (100% frequency) part of the range is: 55+, A2s+, K4s+, Q5s+, J7s+, T8s+, 97s+, 87s+, A8o+, KTo+, QTo+, JTo+.