progressBTN open range at 13 BB
8-max MTT · ante 12.5 % · folded to the Button · chip EV
How BTN opens at 13 BB
When the action folds to the Button with 13 big blinds (8-max MTT with ante), the book plays 40% of hands: a raise to 2 BB with 14% and all-in with 26%. The other 60% fold.
Always raised: AA, AKs, AQs, AJs, KK, KTs, K9s, K8s, K8o, K6s, K5s, K4s, K3s, K2s and 13 more.
Always all-in: AQo, AJo, ATs, ATo, A9s, A9o, A8s, A8o, A7s, A7o, A6s, A6o, A5s, A5o, A4s, A4o, A3s, A3o and 28 more.
Mixed hands (the book splits them between actions): AKo, KJs, K7s, K7o, QJs, Q4s, 77.
At this depth the open is a small raise, with some hands going all-in directly.
Next to it at 13 BB: CO 31%, SB 83%. 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): K7o 54%, Q4s 44%. 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 40% of hands here, 40% at 12 BB and 40% at 14 BB. Going from 12 BB to 13 BB, no hand crosses the 50% line; only the frequencies shift. With the extra chips some former all-ins become small raises: AKo, AJs, K6s, K5s, QJs, QTs and 3 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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