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CO 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 40.2% of hands from the Cutoff when the action folds to you: 40.2% open raise to 2bb, and 59.8% fold. For comparison, the same seat at 30bb plays 37.5% — 2.7 points wider. At this depth, Hijack plays 31.1%.

Open raise 2bb31.8%422 combos
Marginal open raise8.4%111 combos
Fold59.8%793 combos
Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): 22+, A2s+, K2s+, Q3s+, J4s+, T6s+, 96s+, 85s+, 74s+, 64s+, 53s+, A5o+, K8o+, Q9o+, J9o+, T8o+, 98o+, 87o+
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Frequently asked

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

In a 9-max tournament (MTT) at 40bb effective, GTO strategy plays 40.2% of hands, mostly as an open raise to 2bb.

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

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

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

The pure (100% frequency) part of the range is: 22+, A2s+, K2s+, Q3s+, J4s+, T6s+, 96s+, 85s+, 74s+, 64s+, 53s+, A5o+, K8o+, Q9o+, J9o+, T8o+, 98o+, 87o+.