Blocker

strategy

A card you hold that reduces opponent’s likely strong combos.

Holding the A♥ blocks 1/4 of all heart flushes and all nut flushes. Used to pick spots for river bluffs.

See also

Bluff
Betting or raising with a weak hand to make opponents fold.
Check-Raise
Checking, then raising after an opponent bets.
Fold Equity
The value gained from the chance opponents fold to your bet.
GTO
A mathematically unexploitable strategy.