poker.yoga

K5s from BTN, first in — fold, call or raise?

The answer

Raise

open-raise

The math: The Button opens every suited king — K2s and up. K5s is an easy open.

Why

Yes — wide enough. The Button opens every suited king: only two players are left to get through, you’ll have position for the whole hand, and king-high flush potential plus steal equity do the rest. K5s will sometimes make a dominated top pair, but skipping all those profitable steals costs far more than the occasional kicker headache.

The spot

POT · $3
preflop
Folds to you
K
5
BTN
$1 / $2 · 100bb
Your seat
BTN
Stakes and stacks
$1 / $2 · 100bb
Your hand
K♥ 5♥
Board
Preflop — no board yet
Pot
POT · $3
Action on you
Folds to you

Every option

  • Foldgive up the hand

    Why not: Folding the best seat’s bread-and-butter steal burns money — every suited king is a profitable Button open, and K5s is no exception.

  • Calllimp in

    Why not: Limping lets the blinds see a cheap flop and throws away the initiative. On the Button K5s wants the raise: fold equity now, position for the rest of the hand.

  • Raiseopen-raiseCorrect

    2bb · $4 · 2.5bb · $5 · 3bb · $6

The idea behind it

The Button is the widest seat in poker: position plus only two opponents makes even modest suited hands profitable opens. Suited kings never hit the floor here — all of them open. The line gets drawn in the offsuit junk instead.

Concept: Button opens widest

Terms in this spot

Play it instead of reading it

The trainer deals this hand with hints, grading and spaced repetition — and randomized variations of it once you have seen it.

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