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CO 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 36.2% of hands from the Cutoff when the action folds to you: 32.3% open raise to 2bb, 3.9% limp, and 63.8% fold. 78 of the 169 starting hands are played as a mixed strategy rather than a pure one. For comparison, the same seat at 20bb plays 33.8% — 2.4 points wider. At this depth, Hijack plays 28.7%.

Open raise 2bb32.3%428 combos
Limp3.9%52 combos
Fold63.8%846 combos
Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): AJs-ATs, KJs
Opened at 50%+ frequency: 33+, A2s+, K3s+, Q4s+, J6s+, T6s+, 96s+, 85s+, 75s+, 65s+, 54s+, A7o+, A5o, K9o+, Q9o+, J9o+, T9o+
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Frequently asked

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

In a 9-max tournament (MTT) at 25bb effective, GTO strategy plays 36.2% of hands, mostly as an open raise to 2bb.

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

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

Which hands are always opened from the Cutoff at 25bb?

The pure (100% frequency) part of the range is: AJs-ATs, KJs.