progressCO open range at 11 BB
8-max MTT · ante 12.5 % · folded to the Cutoff · chip EV
How CO opens at 11 BB
When the action folds to the Cutoff with 11 big blinds (8-max MTT with ante), the book plays 33% of hands: a raise to 2 BB with 1.9% and all-in with 31%. The other 67% fold.
Always raised: K5s.
Always all-in: AA, AKo, AQo, AJs, AJo, ATs, ATo, A9s, A9o, A8s, A8o, A7o, A6s, A6o, A5s, A5o, A4s, A4o and 35 more.
Mixed hands (the book splits them between actions): AKs, AQs, A7s, KK, KTs, K8s, K4s, QQ, QTs, Q8s, JJ, 76s.
At this depth most of the game is push or fold — a small raise is kept only for a few hands that want a call.
Next to it at 11 BB: HJ 26%, BTN 41%. Seats closer to the button open more here, because fewer players are left to wake up with a big hand.
Closest decisions (the book opens them only part of the time): K4s 50%. These are the hands worth drilling, because a small change in the opponents or the stack flips them.
What changes around 11 BB
The book opens 33% of hands here, 33% at 10 BB and 32% at 12 BB. Compared with 10 BB, these hands come into the range: K4s. These leave it: K9o. With the extra chips some former all-ins become small raises: AKs, K8s, K5s.
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Numbers come from the progressGTO solution book (v14, chip EV, 8-max, ante 12.5 %): our own equilibrium computation with a modelled postflop. It is an approximation, not an exact solution, and it keeps improving. Hover or tap a hand to see its exact frequencies.
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