PokerSolver
PokerSolver/4-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb/CO vs BB iso raise 2.5bb

CO vs BB iso raise 2.5bb

4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (blinds 0.5/1bb, ante 0.16bb) · 80bb · CO limps, BB isolates to 2.5bb · Cutoff to act

4-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bbChange game
Stacks (bb), if they differ
Pot 4.64bbYour cards?
1bb
0.5bb
2.5bb

Tap your two cards.

Cutoff's range

470 of 1,326 combos get here
Fold 9.5%Call 76.1%Raise 5/7.5bb 14.4%
Tap a hand, or type one above, to see its exact mix.

What is the GTO play for the cutoff (CO) when CO limps, BB isolates to 2.5bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb at 80bb?

CO limps, BB isolates to 2.5bb in 4-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb, 80bb: the cutoff (CO) folds 9.5%, calls 76.1% and raises 5/7.5bb 14.4%. Always call: 22-TT, A5s-A8s, A2s-A3s, K5s-KTs, Q8s-QTs, J8s-J9s, T7s+, 97s+, 87s, 75s, 54s, ATo-AJo, KJo+, QJo, JTo. Always raise 5/7.5bb: KK+, AKs, AKo. Mixed: JJ-QQ, AQs, A9s, A4s, K3s-K4s, Q6s-Q7s, Q4s, 86s, 76s, 64s, AQo, KTo, QTo, T9o.

Always fold
No hand plays this every time
Always call
22-TT, A5s-A8s, A2s-A3s, K5s-KTs, Q8s-QTs, J8s-J9s, T7s+, 97s+, 87s, 75s, 54s, ATo-AJo, KJo+, QJo, JTo
Always raise 5/7.5bb
KK+, AKs, AKo
Mixed
JJ-QQ, AQs, A9s, A4s, K3s-K4s, Q6s-Q7s, Q4s, 86s, 76s, 64s, AQo, KTo, QTo, T9o
Settings: 4-max · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 4.8bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 80bb stacks, 5% rake capped at 4.8bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 24.98). 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.

Fits exactly: no game we have checked.

Close: CoinPoker cash with antes NL50 (rake before the flop in 3-bet pots there, none here).

Rake sources: 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.