SB vs BB 4-bet 20.7bb
5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb (blinds 0.5/1bb, ante 0.16bb) · 60bb · SB limps, BB isolates to 3bb, SB 3-bets to 9bb, BB 4-bets to 20.7bb · Small blind to act
5-max · 60bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bbChange game
Tap your two cards.
Small blind's range
622 of 1,326 combos get hereWhat is the GTO play for the small blind (SB) when SB limps, BB isolates to 3bb, SB 3-bets to 9bb, BB 4-bets to 20.7bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb at 60bb?
SB limps, BB isolates to 3bb, SB 3-bets to 9bb, BB 4-bets to 20.7bb in 5-max · SB 0.5bb · ante 0.16bb · 5% rake, cap 8bb, 60bb: the small blind (SB) folds 70.2%, calls 8.1% and goes all-in 59.84bb 21.7%. Always call: A6s-A7s, A4s, K9s, J9s, T9s, 98s, 87s, 76s, 65s. Always all-in 59.84bb: 99+, 55-66, AJs+, KTs+, AQo+. Mixed: 77-88, A5s, AJo, KQo.
- Always fold
- Q7s, Q2s-Q4s, J3s-J4s, T6s-T7s, T3s-T4s, 95s-96s, 74s, 63s-64s, 53s, 43s, ATo, A2o-A6o, K5o-KTo, Q7o-QTo, J8o, T7o+, 97o+, 76o
- Always call
- A6s-A7s, A4s, K9s, J9s, T9s, 98s, 87s, 76s, 65s
- Always all-in 59.84bb
- 99+, 55-66, AJs+, KTs+, AQo+
- Mixed
- 77-88, A5s, AJo, KQo
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.