progressBTN vs CO open at 20 BB
8-max MTT · ante 12.5 % · chip EV
BTN facing a CO open at 20 BB
The cutoff opens to 2 BB and the action reaches the button with 20 big blinds. The book folds 79% of hands, calls with 8.2%, 3-bets to 4.5 BB with 0.4% and goes all-in with 12%.
Always all-in: AA, AKs, AKo, AQo, AJo, A5s, KK, KQs, KQo, QQ, QJs, Q9s, JJ, JTs and 8 more.
Always call: AJs, ATs, ATo, A9s, A9o, A8s, A7s, A3s, A2s, KJs, KJo, KTs and 3 more.
The button is in position against the raiser and only the blinds are left behind, which is why it calls far more often than the blinds do.
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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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