progressCO open range at 16 BB
8-max MTT · ante 12.5 % · folded to the Cutoff · chip EV
How CO opens at 16 BB
When the action folds to the Cutoff with 16 big blinds (8-max MTT with ante), the book plays 30% of hands: a raise to 2 BB with 23% and all-in with 6.3%. The other 70% fold.
Always raised: AA, AKs, AKo, AQs, AJs, ATs, ATo, A9s, A8s, A7s, A7o, A6o, A5o, A3s and 28 more.
Always all-in: A9o, KQo, JTs, T9s, 44, 33, 22.
Mixed hands (the book splits them between actions): AQo, AJo, A8o, A6s, A5s, A4s, QJo, QTs, Q9s, Q7s, J9o, 87s, 66.
At this depth the open is a small raise, with some hands going all-in directly.
Next to it at 16 BB: HJ 25%, BTN 40%. 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): Q7s 54%, J9o 42%. These are the hands worth drilling, because a small change in the opponents or the stack flips them.
What changes around 16 BB
The book opens 30% of hands here, 30% at 15 BB and 30% at 17 BB. These leave it: A4o. With the extra chips some former all-ins become small raises: AQo, A7o, A4s, Q9s, J9s, 66.
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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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