PokerSolver
PokerSolver/4-max · 100bb · SB 0.5bb · 5% rake, cap 3bb/J4s

How to play J4s preflop

4-max · 100bb · SB 0.5bb · 5% rake, cap 3bb · 124 spots where J4s gets a decision

Opens (raise first in)

SpotJ4s
CO open (RFI)
First to act
Fold 100%
BTN open (RFI)
Folded to BTN
Raise 2/2.5/3bb 99.5% · Fold 0.5%
SB open (RFI)
Folded to SB
Raise 2/2.5/3bb 87.1% · Call 12.9%

Facing an open or a limp

SpotJ4s
BB vs SB limp
SB limps
Raise 2/2.5/3bb 84.5% · Call 15.5%
BB vs SB open 2bb
SB opens 2bb
Call 99.9% · Raise 4/6bb 0.1%
BB vs SB open 2.5bb
SB opens 2.5bb
Call 100%
BB vs SB open 3bb
SB opens 3bb
Call 98.5% · Raise 6/9bb 1.5%
SB vs BTN limp
BTN limps
Fold 99.8% · Call 0.1% · Raise 2/2.5/3bb 0.1%
BB vs BTN limp
BTN limps
Call 99.4% · Raise 2/2.5/3bb 0.6%
BB vs SB limp
BTN limps, SB limps
Call 99.8% · Raise 2/2.5/3bb 0.2%
BB vs SB iso raise 2bb
BTN limps, SB isolates to 2bb
Fold 96.3% · Call 2.8% · Raise 4/6bb 0.8%
BB vs SB iso raise 2.5bb
BTN limps, SB isolates to 2.5bb
Fold 95% · Raise 5/7.5bb 5%
BB vs SB iso raise 3bb
BTN limps, SB isolates to 3bb
Fold 98.4% · Call 1.5% · Raise 6/9bb 0.2%
SB vs BTN open 2bb
BTN opens 2bb
Fold 100%
BB vs BTN open 2bb
BTN opens 2bb
Call 100%
BB vs SB call
BTN opens 2bb, SB calls
Fold 79.2% · Call 20.1% · Raise 4/6bb 0.6%
SB vs BTN open 2.5bb
BTN opens 2.5bb
Fold 100%
BB vs BTN open 2.5bb
BTN opens 2.5bb
Call 100%
BB vs SB call
BTN opens 2.5bb, SB calls
Fold 99.7% · Call 0.3%
SB vs BTN open 3bb
BTN opens 3bb
Fold 100%
BB vs BTN open 3bb
BTN opens 3bb
Fold 99.2% · Raise 6/9bb 0.8%
BB vs SB call
BTN opens 3bb, SB calls
Fold 97% · Call 3%
BTN vs CO limp
CO limps
Fold 100%
SB vs CO limp
CO limps
Fold 100%
BB vs CO limp
CO limps
Call 100%
BB vs SB limp
CO limps, SB limps
Call 100%
BB vs SB iso raise 2bb
CO limps, SB isolates to 2bb
Fold 87.2% · Call 8.6% · Raise 4/6bb 4.2%
BB vs SB iso raise 2.5bb
CO limps, SB isolates to 2.5bb
Fold 100%
BB vs SB iso raise 3bb
CO limps, SB isolates to 3bb
Fold 99.1% · Raise 6/9bb 0.7% · Call 0.2%
SB vs BTN iso raise 2bb
CO limps, BTN isolates to 2bb
Fold 100%
BB vs BTN iso raise 2bb
CO limps, BTN isolates to 2bb
Fold 99.9%
BB vs SB call
CO limps, BTN isolates to 2bb, SB calls
Fold 98.9% · Raise 4/6bb 1% · Call 0.2%
SB vs BTN iso raise 2.5bb
CO limps, BTN isolates to 2.5bb
Fold 99.8% · Call 0.1%
BB vs BTN iso raise 2.5bb
CO limps, BTN isolates to 2.5bb
Fold 98.6% · Call 1.4%
BB vs SB call
CO limps, BTN isolates to 2.5bb, SB calls
Fold 70.5% · Call 28.8% · Raise 5/7.5bb 0.7%
SB vs BTN iso raise 3bb
CO limps, BTN isolates to 3bb
Fold 97.7% · Raise 6/9bb 2.3%
BB vs BTN iso raise 3bb
CO limps, BTN isolates to 3bb
Fold 100%
BB vs SB call
CO limps, BTN isolates to 3bb, SB calls
Fold 90.9% · Raise 6/9bb 5.8% · Call 3.3%
BTN vs CO open 2bb
CO opens 2bb
Fold 100%
SB vs CO open 2bb
CO opens 2bb
Fold 100%
BB vs CO open 2bb
CO opens 2bb
Call 98.7% · Fold 1.3%
BB vs SB call
CO opens 2bb, SB calls
Call 53.3% · Fold 38.7% · Raise 4/6bb 8%
SB vs BTN call
CO opens 2bb, BTN calls
Fold 100%
BB vs BTN call
CO opens 2bb, BTN calls
Fold 88.9% · Raise 4/6bb 7.3% · Call 3.8%
BB vs SB call
CO opens 2bb, BTN calls, SB calls
Fold 98.6% · Raise 4/6bb 1.4%
BTN vs CO open 2.5bb
CO opens 2.5bb
Fold 100%
SB vs CO open 2.5bb
CO opens 2.5bb
Fold 100%
BB vs CO open 2.5bb
CO opens 2.5bb
Fold 99.7% · Call 0.3%
BB vs SB call
CO opens 2.5bb, SB calls
Fold 99.7% · Raise 5/7.5bb 0.3%
SB vs BTN call
CO opens 2.5bb, BTN calls
Fold 100%
BB vs BTN call
CO opens 2.5bb, BTN calls
Fold 100%
BB vs SB call
CO opens 2.5bb, BTN calls, SB calls
Fold 99.9% · Raise 5/7.5bb 0.1%
BTN vs CO open 3bb
CO opens 3bb
Fold 100%
SB vs CO open 3bb
CO opens 3bb
Fold 100%
BB vs CO open 3bb
CO opens 3bb
Fold 100%
BB vs SB call
CO opens 3bb, SB calls
Fold 100%
SB vs BTN call
CO opens 3bb, BTN calls
Fold 100%
BB vs BTN call
CO opens 3bb, BTN calls
Fold 99.2% · Call 0.8%
BB vs SB call
CO opens 3bb, BTN calls, SB calls
Fold 99.2% · Raise 6/9bb 0.8%

Facing an isolation raise

SpotJ4s
SB vs BB iso raise 2bb
SB limps, BB isolates to 2bb
Call 99.9% · Fold 0.1%
SB vs BB iso raise 2.5bb
SB limps, BB isolates to 2.5bb
Fold 64.4% · Call 35.6%
SB vs BB iso raise 3bb
SB limps, BB isolates to 3bb
Fold 100%
SB: BTN limps, SB limps, BB isolates to 2bb, BTN folds
BTN limps, SB limps, BB isolates to 2bb, BTN folds
Call 93.5% · Fold 5.7% · Raise 4/6bb 0.8%
SB vs BTN call
BTN limps, SB limps, BB isolates to 2bb, BTN calls
Fold 99.2% · Call 0.8%
SB: BTN limps, SB limps, BB isolates to 2.5bb, BTN folds
BTN limps, SB limps, BB isolates to 2.5bb, BTN folds
Fold 99% · Raise 5/7.5bb 0.7% · Call 0.3%
SB vs BTN call
BTN limps, SB limps, BB isolates to 2.5bb, BTN calls
Fold 99.8% · Call 0.1% · Raise 5/7.5bb 0.1%
SB: BTN limps, SB limps, BB isolates to 3bb, BTN folds
BTN limps, SB limps, BB isolates to 3bb, BTN folds
Call 55.8% · Fold 42.4% · Raise 6/9bb 1.9%
SB vs BTN call
BTN limps, SB limps, BB isolates to 3bb, BTN calls
Fold 96% · Raise 6/9bb 3.9% · Call 0.1%

Facing a 3-bet

SpotJ4s
BB vs SB 3-bet 6bb
SB limps, BB isolates to 3bb, SB 3-bets to 6bb
Call 58.7% · Raise 13.8bb 38.9% · Fold 2.4%
BB vs SB 3-bet 9bb
SB limps, BB isolates to 3bb, SB 3-bets to 9bb
Fold 98.8% · Raise 20.7bb 1.1% · Call 0.1%
SB vs BB 3-bet 4bb
SB opens 2bb, BB 3-bets to 4bb
Fold 99% · Call 1%
SB vs BB 3-bet 6bb
SB opens 2bb, BB 3-bets to 6bb
Fold 100%
SB vs BB 3-bet 5bb
SB opens 2.5bb, BB 3-bets to 5bb
Fold 63.7% · Call 36.3%
SB vs BB 3-bet 7.5bb
SB opens 2.5bb, BB 3-bets to 7.5bb
Fold 100%
SB vs BB 3-bet 6bb
SB opens 3bb, BB 3-bets to 6bb
Fold 99.4% · Call 0.6%
SB vs BB 3-bet 9bb
SB opens 3bb, BB 3-bets to 9bb
Fold 100%
BB vs BTN 3-bet 5bb
BTN limps, BB isolates to 2.5bb, BTN 3-bets to 5bb
Fold 66% · Call 18.5% · Raise 11.5bb 15.5%
BB vs BTN 3-bet 7.5bb
BTN limps, BB isolates to 2.5bb, BTN 3-bets to 7.5bb
Fold 92.4% · Call 7.5% · Raise 17.25bb 0.1%
BB vs BTN 3-bet 6bb
BTN limps, BB isolates to 3bb, BTN 3-bets to 6bb
Fold 92.8% · Raise 13.8bb 7% · Call 0.2%
BB vs BTN 3-bet 9bb
BTN limps, BB isolates to 3bb, BTN 3-bets to 9bb
Fold 96.2% · Raise 20.7bb 2.1% · Call 1.7%
SB vs BTN 3-bet 4bb
BTN limps, SB isolates to 2bb, BTN 3-bets to 4bb
Fold 85.6% · Call 14.2% · All-in 100bb 0.3%
SB vs BTN 3-bet 6bb
BTN limps, SB isolates to 2bb, BTN 3-bets to 6bb
Fold 98.5% · Call 1.4% · All-in 100bb 0.1%
BB vs SB 3-bet 4bb
BTN opens 2bb, SB 3-bets to 4bb
Fold 100%
BB vs SB 3-bet 6bb
BTN opens 2bb, SB 3-bets to 6bb
Fold 100%
BTN vs BB 3-bet 5bb
BTN opens 2.5bb, BB 3-bets to 5bb
Call 72.9% · Fold 26.4% · Raise 11.5bb 0.7%
BTN vs BB 3-bet 7.5bb
BTN opens 2.5bb, BB 3-bets to 7.5bb
Fold 100%
BB vs SB 3-bet 5bb
BTN opens 2.5bb, SB 3-bets to 5bb
Fold 100%
BTN vs SB 3-bet 5bb
BTN opens 2.5bb, SB 3-bets to 5bb
Call 98.8% · Fold 1.2%
BB vs SB 3-bet 7.5bb
BTN opens 2.5bb, SB 3-bets to 7.5bb
Fold 100%
BTN vs SB 3-bet 7.5bb
BTN opens 2.5bb, SB 3-bets to 7.5bb
Fold 100%
BTN vs BB 3-bet 6bb
BTN opens 3bb, BB 3-bets to 6bb
Call 65.2% · Fold 34.8% · Raise 13.8bb 0.1%
BTN vs BB 3-bet 9bb
BTN opens 3bb, BB 3-bets to 9bb
Fold 100%
BB vs SB 3-bet 6bb
BTN opens 3bb, SB 3-bets to 6bb
Fold 100%
BTN vs SB 3-bet 6bb
BTN opens 3bb, SB 3-bets to 6bb
Call 96.3% · Fold 3.5% · Raise 13.8bb 0.1%
BB vs SB 3-bet 9bb
BTN opens 3bb, SB 3-bets to 9bb
Fold 100%
BTN vs SB 3-bet 9bb
BTN opens 3bb, SB 3-bets to 9bb
Fold 100%
BB vs SB 3-bet 4bb
CO opens 2bb, SB 3-bets to 4bb
Fold 99.7% · Call 0.3%
BB vs SB 3-bet 6bb
CO opens 2bb, SB 3-bets to 6bb
Fold 100%
SB vs BTN 3-bet 4bb
CO opens 2bb, BTN 3-bets to 4bb
Fold 100%
BB vs BTN 3-bet 4bb
CO opens 2bb, BTN 3-bets to 4bb
Fold 100%
SB vs BTN 3-bet 6bb
CO opens 2bb, BTN 3-bets to 6bb
Fold 100%
BB vs BTN 3-bet 6bb
CO opens 2bb, BTN 3-bets to 6bb
Fold 100%
BB vs SB 3-bet 5bb
CO opens 2.5bb, SB 3-bets to 5bb
Fold 100%
BB vs SB 3-bet 7.5bb
CO opens 2.5bb, SB 3-bets to 7.5bb
Fold 100%
SB vs BTN 3-bet 5bb
CO opens 2.5bb, BTN 3-bets to 5bb
Fold 100%
BB vs BTN 3-bet 5bb
CO opens 2.5bb, BTN 3-bets to 5bb
Fold 100%
SB vs BTN 3-bet 7.5bb
CO opens 2.5bb, BTN 3-bets to 7.5bb
Fold 100%
BB vs BTN 3-bet 7.5bb
CO opens 2.5bb, BTN 3-bets to 7.5bb
Fold 100%
BB vs SB 3-bet 6bb
CO opens 3bb, SB 3-bets to 6bb
Fold 100%
BB vs SB 3-bet 9bb
CO opens 3bb, SB 3-bets to 9bb
Fold 100%
SB vs BTN 3-bet 6bb
CO opens 3bb, BTN 3-bets to 6bb
Fold 100%
BB vs BTN 3-bet 6bb
CO opens 3bb, BTN 3-bets to 6bb
Fold 100%
SB vs BTN 3-bet 9bb
CO opens 3bb, BTN 3-bets to 9bb
Fold 100%
BB vs BTN 3-bet 9bb
CO opens 3bb, BTN 3-bets to 9bb
Fold 100%

Facing a 4-bet

SpotJ4s
BB vs SB 4-bet 13.8bb
SB opens 2bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb
Call 69.9% · Fold 29.9% · All-in 100bb 0.2%
BB vs SB all-in
SB opens 2bb, BB 3-bets to 6bb, SB goes all-in
Fold 99.9% · Call 0.1%
BB vs SB 4-bet 20.7bb
SB opens 3bb, BB 3-bets to 9bb, SB 4-bets to 20.7bb
Fold 99.9% · Call 0.1%
BB vs SB all-in
SB opens 3bb, BB 3-bets to 9bb, SB goes all-in
Fold 92.1% · Call 7.9%
BB vs BTN 4-bet 20.7bb
BTN opens 3bb, BB 3-bets to 9bb, BTN 4-bets to 20.7bb
Fold 100%
BB vs BTN all-in
BTN opens 3bb, BB 3-bets to 9bb, BTN goes all-in
Fold 98.8% · Call 1.2%

Facing a 5-bet or shove

SpotJ4s
BB vs SB all-in
SB limps, BB isolates to 3bb, SB 3-bets to 6bb, BB 4-bets to 13.8bb, SB goes all-in
Fold 100%
BB vs SB all-in
SB limps, BB isolates to 3bb, SB 3-bets to 9bb, BB 4-bets to 20.7bb, SB goes all-in
Fold 99.9% · Call 0.1%
BTN vs BB all-in
BTN opens 2.5bb, BB 3-bets to 5bb, BTN 4-bets to 11.5bb, BB goes all-in
Fold 99.5% · Call 0.5%
BTN vs SB all-in
BTN opens 3bb, SB 3-bets to 6bb, BTN 4-bets to 13.8bb, SB goes all-in
Fold 100%
Settings: 4-max · 100bb · SB 0.5bb · 5% rake, cap 3bb (small blind 0.5bb, big blind 1bb, 100bb stacks, 5% rake capped at 3bb; before the flop, rake only after a 3-bet). Solver: HoldemResources Calculator (HRC) (HRC CI 20.31). 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: GGPoker regular cash NL50 (rake cap 6bb there, 3bb here).

Close: GGPoker regular cash NL100 (rake cap 3.75bb there, 3bb here).

Close: GGPoker regular cash NL200 (rake cap 2.25bb there, 3bb here).

Close: PokerStars cash NL50 (rake cap 1.5bb there, 3bb here; no rake when no flop is dealt there).

Close: CoinPoker cash NL2, NL10 (rake cap 6bb there, 3bb here; only its tables without antes).

Close: CoinPoker cash NL50 (rake cap 4.8bb there, 3bb here; only its tables without antes).

Close: CoinPoker cash NL100 (only its tables without antes).

Close: CoinPoker cash NL200 (rake cap 1.8bb there, 3bb here; only its tables without antes).

Close: WPT Global cash NL10, NL20 (4% rake there, 5% here; no rake when no flop is dealt there; only its tables without antes).

Close: WPT Global cash NL100, NL200 (rake cap 2bb there, 3bb here; 4% rake there, 5% here; no rake when no flop is dealt there; only its tables without antes).

Close: Natural8 regular cash NL50 (rake cap 6bb there, 3bb here).

Close: Natural8 regular cash NL100 (rake cap 3.75bb there, 3bb here).

Close: Natural8 regular cash NL200 (rake cap 2.25bb there, 3bb here).

Close: ACR Poker cash NL50 (rake cap 4bb there, 3bb here; its page does not say whether pots that end before the flop are raked).

Close: ACR Poker cash NL100 (rake cap 2bb there, 3bb here; its page does not say whether pots that end before the flop are raked).

CoinPoker tables with antes: their own chart.

Rake sources: ggpoker.com/poker-games/texas-holdem (fetched 2026-10-31); Rush rake and preflop rake confirmed on our own GG exports (972 of 1,034 pots, 210 of 211); regular tables' preflop rule from natural8.com/en/poker/texas-holdem (same network, fetched 2026-10-31); pokerstars.com/poker/room/rake (fetched 2026-10-31); coinpoker.com/games/texas-holdem/ (caps and the preflop rule) and coinpoker.com/guides/poker-rake/ (5%), fetched 2026-10-31; wptglobal.com/poker/poker-table-rake (fetched 2026-10-31); natural8.com/en/poker/texas-holdem (fetched 2026-10-31; caps by players dealt in, 3-bet pots raked before the flop); acrpoker.eu/real-money/poker-rake-calculation/ (fetched 2026-10-31).

Rake: Wrong rake for GG: this solve caps the rake at 3bb, but GG caps NL200 at $4.50 (2.25bb) with 4 players dealt in and $3 (1.5bb) with 3. A solve with GG's caps is queued.