progressCO open range at 13 BB
8-max MTT · ante 12.5 % · folded to the Cutoff · chip EV
How CO opens at 13 BB
When the action folds to the Cutoff with 13 big blinds (8-max MTT with ante), the book plays 31% of hands: a raise to 2 BB with 11% and all-in with 20%. The other 69% fold.
Always raised: AA, AKs, AQs, AJs, ATs, A9s, A8s, A7s, A6s, A3o, KK, KTs, KTo, K8s and 7 more.
Always all-in: AKo, AQo, AJo, ATo, A9o, A8o, A7o, A6o, A5s, A5o, A4s, A4o, KQs, KQo, KJo, QJo, QTs, Q9s and 11 more.
Mixed hands (the book splits them between actions): A3s, A2s, KJs, K9s, K7s, QJs, Q7s, JJ, JTo, TT, 99, 97s, 77, 55.
At this depth the open is a small raise, with some hands going all-in directly.
Next to it at 13 BB: HJ 24%, 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): 97s 52%, Q7s 58%. These are the hands worth drilling, because a small change in the opponents or the stack flips them.
What changes around 13 BB
The book opens 31% of hands here, 32% at 12 BB and 31% at 14 BB. Compared with 12 BB, these hands come into the range: Q7s. These leave it: A2o. With the extra chips some former all-ins become small raises: AA, AJs, ATs, A9s, A6s, A3o and 7 more.
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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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