CO 25bb Steal

Definition

CO 25bb Steal refers to a preflop raise made from the cutoff (CO) position when the effective stack size is 25 big blinds (bb). The primary objective is to steal the blinds and any antes, capitalizing on the positional advantage and the pressure exerted on the blinds, who must decide whether to defend with weaker holdings or fold.

Usage and Strategy

At a stack depth of 25bb, players are in a medium-stack phase where they cannot afford speculative calls but still have enough chips to apply pressure. The cutoff is considered a late position, making it ideal for stealing because only the blinds and button remain to act. A typical steal range from CO at 25bb includes a wide variety of hands: strong hands (e.g., TT+, AQ+) for value, and weaker hands (e.g., suited connectors, small pairs, Ax suited) as bluffs. The opening size is often 2.2–2.5bb to offer the blinds poor pot odds to call, while keeping the pot manageable postflop.

Considerations

• Blind opponents: Adjust steal frequency based on how often the blinds fold (fold-to-steal stats). Frequent folders justify wider stealing; tight defenders require a tighter range.
• Stack dynamics: At 25bb, the button and blinds also have medium stacks. A button call or reraise puts the stealer in tricky postflop spots with limited implied odds.
• Postflop play: With 25bb, the stack-to-pot ratio (SPR) is low (around 5-6 if called). This favors hands that can make strong top-pair or better, but also allows for profitable continuation bets on flops.
• Tournament vs. cash: In tournaments, ICM considerations may tighten stealing near the bubble or pay jumps. In cash games, stealing is more straightforward based on opponent tendencies.

Example

In a tournament with blinds 500/1000 (ante 100), the hero in the cutoff has 25,000 chips (25bb). Everyone folds to hero, who raises to 2,200 with K♠7♠. The small blind folds, but the big blind calls with A♣2♦. The flop comes K♦9♥3♣. Hero bets 2,800 into the 5,400 pot, and the big blind folds. This illustrates a successful steal: a marginal hand used to take down the blinds and ante, profiting 1,600 chips without showdown.

Related Terms

• CO steal
• Cutoff opening range
• Stack depth strategy
• Blind defense
• 25bb strategy