PokerSolver
PokerSolver/Heads-up · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb/K5s

How to play K5s preflop

Heads-up · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb · 41 spots where K5s gets a decision

Opens (raise first in)

SpotK5s
SB open (RFI)
First to act
Raise 2/2.5/3bb 98.8% · Call 1.2%

Facing an open or a limp

SpotK5s
BB vs SB limp
SB limps
Raise 2/2.5/3bb 97.2% · Call 2.8%
BB vs SB open 2bb
SB opens 2bb
Call 58.9% · Raise 4/6bb 41.1%
BB vs SB open 2.5bb
SB opens 2.5bb
Call 69.2% · Raise 5/7.5bb 30.8%
BB vs SB open 3bb
SB opens 3bb
Call 88% · Raise 6/9bb 12%

Facing an isolation raise

SpotK5s
SB vs BB iso raise 2bb
SB limps, BB isolates to 2bb
Call 98.4% · Raise 4/6bb 1.6% · Fold 0.1%
SB vs BB iso raise 2.5bb
SB limps, BB isolates to 2.5bb
Call 73.4% · Raise 5/7.5bb 26.6%
SB vs BB iso raise 3bb
SB limps, BB isolates to 3bb
Call 100%

Facing a 3-bet

SpotK5s
BB vs SB 3-bet 4bb
SB limps, BB isolates to 2bb, SB 3-bets to 4bb
All-in 79.84bb 33.6% · Raise 9.2bb 32.3% · Call 25.6% · Fold 8.5%
BB vs SB 3-bet 6bb
SB limps, BB isolates to 2bb, SB 3-bets to 6bb
Call 72.4% · Fold 20.5% · All-in 79.84bb 7.1%
BB vs SB 3-bet 5bb
SB limps, BB isolates to 2.5bb, SB 3-bets to 5bb
Call 58.9% · All-in 79.84bb 25.9% · Fold 13% · Raise 11.5bb 2.2%
BB vs SB 3-bet 7.5bb
SB limps, BB isolates to 2.5bb, SB 3-bets to 7.5bb
Call 66.5% · Fold 28.8% · All-in 79.84bb 3.4% · Raise 17.25bb 1.3%
BB vs SB 3-bet 6bb
SB limps, BB isolates to 3bb, SB 3-bets to 6bb
Raise 13.8bb 80.2% · Call 17% · Fold 2.8%
BB vs SB 3-bet 9bb
SB limps, BB isolates to 3bb, SB 3-bets to 9bb
Fold 46.3% · Call 25.7% · All-in 79.84bb 14.1% · Raise 20.7bb 13.8%
SB vs BB 3-bet 4bb
SB opens 2bb, BB 3-bets to 4bb
Call 98.9% · All-in 79.84bb 0.4% · Fold 0.3% · Raise 9.2bb 0.3%
SB vs BB 3-bet 6bb
SB opens 2bb, BB 3-bets to 6bb
Call 100%
SB vs BB 3-bet 5bb
SB opens 2.5bb, BB 3-bets to 5bb
Call 99.2% · Fold 0.4% · Raise 11.5bb 0.4% · All-in 79.84bb 0.1%
SB vs BB 3-bet 7.5bb
SB opens 2.5bb, BB 3-bets to 7.5bb
Call 100%
SB vs BB 3-bet 6bb
SB opens 3bb, BB 3-bets to 6bb
Call 97.5% · All-in 79.84bb 2% · Raise 13.8bb 0.5%
SB vs BB 3-bet 9bb
SB opens 3bb, BB 3-bets to 9bb
Call 99.8% · All-in 79.84bb 0.2%

Facing a 4-bet

SpotK5s
SB vs BB 4-bet 11.5bb
SB limps, BB isolates to 2.5bb, SB 3-bets to 5bb, BB 4-bets to 11.5bb
Call 99.9% · Fold 0.1%
SB vs BB all-in
SB limps, BB isolates to 2.5bb, SB 3-bets to 5bb, BB goes all-in
Fold 100%
BB vs SB 4-bet 9.2bb
SB opens 2bb, BB 3-bets to 4bb, SB 4-bets to 9.2bb
Fold 73.1% · Call 26.1% · All-in 79.84bb 0.8%
BB vs SB all-in
SB opens 2bb, BB 3-bets to 4bb, SB goes all-in
Fold 97.6% · Call 2.4%
BB vs SB 4-bet 13.8bb
SB opens 2bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb
Fold 81.8% · Call 13.6% · All-in 79.84bb 4.6%
BB vs SB all-in
SB opens 2bb, BB 3-bets to 6bb, SB goes all-in
Fold 99.7% · Call 0.3%
BB vs SB 4-bet 11.5bb
SB opens 2.5bb, BB 3-bets to 5bb, SB 4-bets to 11.5bb
Call 87.7% · Fold 8.9% · All-in 79.84bb 3.4%
BB vs SB all-in
SB opens 2.5bb, BB 3-bets to 5bb, SB goes all-in
Fold 100%
BB vs SB 4-bet 17.25bb
SB opens 2.5bb, BB 3-bets to 7.5bb, SB 4-bets to 17.25bb
Fold 84.4% · Call 8.4% · All-in 79.84bb 7.2%
BB vs SB all-in
SB opens 2.5bb, BB 3-bets to 7.5bb, SB goes all-in
Fold 100%
BB vs SB 4-bet 13.8bb
SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb
Fold 40.1% · Call 37.8% · All-in 79.84bb 22.1%
BB vs SB all-in
SB opens 3bb, BB 3-bets to 6bb, SB goes all-in
Fold 100%
BB vs SB 4-bet 20.7bb
SB opens 3bb, BB 3-bets to 9bb, SB 4-bets to 20.7bb
Fold 59.3% · Call 36.5% · All-in 79.84bb 4.1%
BB vs SB all-in
SB opens 3bb, BB 3-bets to 9bb, SB goes all-in
Fold 100%

Facing a 5-bet or shove

SpotK5s
BB vs SB all-in
SB limps, BB isolates to 2bb, SB 3-bets to 4bb, BB 4-bets to 9.2bb, SB goes all-in
Fold 99% · Call 1%
BB vs SB all-in
SB limps, BB isolates to 2.5bb, SB 3-bets to 5bb, BB 4-bets to 11.5bb, SB goes all-in
Fold 76.2% · Call 23.8%
BB vs SB all-in
SB limps, BB isolates to 2.5bb, SB 3-bets to 7.5bb, BB 4-bets to 17.25bb, SB goes all-in
Call 70.9% · Fold 29.1%
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 99.7% · Call 0.3%
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 67.4% · Call 32.6%
SB vs BB all-in
SB opens 2bb, BB 3-bets to 4bb, SB 4-bets to 9.2bb, BB goes all-in
Fold 100%
SB vs BB all-in
SB opens 3bb, BB 3-bets to 6bb, SB 4-bets to 13.8bb, BB goes all-in
Fold 98.3% · Call 1.7%
Settings: Heads-up · 80bb · SB 0.5bb · ante 0.16bb · 5% rake, cap 2bb (small blind 0.5bb, big blind 1bb, an ante of 0.16bb from every player, 80bb stacks, 5% rake capped at 2bb; no rake when no flop is dealt). Solver: HoldemResources Calculator (HRC) (HRC CI 22.38). 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.