BB vs CO all-in
5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 100bb · CO limps, BB isolates to 3bb, CO 3-bets to 9bb, BB 4-bets to 20.7bb, CO goes all-in · Big blind to act
Fits exactlyno game we have checked
CloseCP1 games
- CPCoinPoker cash with antes NL50rake before the flop in 3-bet pots there, none here
5-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Stacks (bb), if they differ
Pot 121.84bbYour cards?
20.7bb
99.84bb
0.5bb
Tap your two cards.
Big blind's range
308 of 1,326 combos get hereFold 83.1%Call 16.9%
Tap a hand, or type one above, to see its exact mix.
What is the GTO play for the big blind (BB) when CO limps, BB isolates to 3bb, CO 3-bets to 9bb, BB 4-bets to 20.7bb, CO goes all-in in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 100bb?
CO limps, BB isolates to 3bb, CO 3-bets to 9bb, BB 4-bets to 20.7bb, CO goes all-in in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 100bb: the big blind (BB) folds 83.1% and calls 16.9%. Always call: KK+. Mixed: 88-QQ, AQs+, ATs, A8s, KJs+, AKo, AJo.
- Always fold
- 55-77, AJs, A9s, A6s-A7s, A2s-A4s, K8s-KTs, K5s, Q8s+, JTs, J8s, J5s, T9s, T7s, T5s, 98s, 75s, 64s, 53s+, AQo, KTo
- Always call
- KK+
- Mixed
- 88-QQ, AQs+, ATs, A8s, KJs+, AKo, AJo
Settings: 5-max · 100bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 100bb stacks, 5% rake capped at 8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 23.9). A jackpot fee on bigger pots is not in this solve, so lines that build big pots may be slightly too loose. Bet sizes are the solved ones; a size that is not here plays like the nearest one.
Rake sources for the games it fits: the ante from 93 of our own CoinPoker hands at $0.25/$0.50 with a $0.08 ante, played 2026-09-30; the caps and the preflop rule from coinpoker.com/games/texas-holdem/, fetched 2026-10-31.