progressBB defense vs UTG+1 open at 11 BB
8-max MTT · ante 12.5 % · UTG+1 opens, small blind folds · chip EV
How the BB defends at 11 BB
Facing a UTG+1 open to 2 BB (small blind folds) with 11 big blinds, the big blind folds only 27% of hands, calls 62% and goes all-in with 10%. The big blind already has one blind in the pot and closes the action, so it gets a good price.
Always all-in: AA, AKs, AKo, AQs, AQo, AJs, AJo, ATs, KK, QQ, JJ, TT, 99, 88, 77, 66.
Folded: K6o, K5o, K4o, K3o, K2o, Q7o, Q6o, Q5o, Q4o, Q3o, Q2o, J6o and 18 more.
Against other openers at 11 BB the big blind continues with: vs BTN 73%, vs CO 71%, vs HJ 70%, vs LJ 72%, vs UTG 71%. The defence does not simply grow with the position of the opener here; the exact chart for each opener matters.
Borderline hands: none. At this stack every hand is either clearly in or clearly out, so the chart is easy to memorise.
What changes around 11 BB
The book continues with 73% of hands here, 71% at 10 BB and 73% at 12 BB. Compared with 10 BB, these hands come into the range: K8o, K7o, Q8o.
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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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