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Gto strategy: sb vs. open betting โ€“ raise or fold?

Small Blind Strategy | New Insights Challenge Traditional Play

By

Liam O'Connor

Aug 27, 2026, 12:33 AM

Edited By

Oliver Smith

3 minutes reading time

A poker table showing a player in the small blind position weighing options against an open bet
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A recent discussion on betting strategy has sparked debate among poker enthusiasts. The advice? Players in the small blind (SB) should raise or fold against an open raise, with no middle groundโ€” a guideline some are questioning.

What's the Controversy?

Poker players are grappling with the recommendation from game theory optimal (GTO) scenarios. Sources indicate that raising from the SB should occur with only 9-19% of hands, leaving many to ponder the absence of flatting options.

Interestingly, some players argue that theyโ€™ve had success calling against open raises, especially with strong hands. One contributor remarked, "I have won quite a few hands calling an open while on the small blind." This sentiment showcases a divide in strategy preference that could impact game outcomes.

The Case for Raising or Folding

Forum participants point to several reasons backing the raise-or-fold policy:

  • Complex Gameplay: Operating from the SB is tricky. A capped range leads to unfavorable positions against the big blind (BB).

  • Multiway Issues: Engaging in multiway pots may dilute a player's equity, making a pure 3-bet or fold strategy simpler for the average player.

  • Squeeze Opportunities: By upsetting traditional lines, flatting invites the BB to squeeze more, further complicating the pot dynamics.

Evolving Strategies

Some players adjust their approach based on game dynamics. In lower stakes games, they mix in flatting against the button (BU) to exploit less aggressive players. One player noted, "When I move up, I'll go back to 3-bet or fold."

"3-bet or fold isnโ€™t necessarily the highest EV equilibrium," commented one player, emphasizing the need for adaptability.

For many, it truly boils down to the game's rake structure. In high-rake settings, maintaining a straightforward strategy is critical, while in lower-rake scenarios, more dynamic approaches are viable.

Key Takeaways

  • โœ… 9-19% of hands may define folding or raising from SB in high-rake games.

  • ๐Ÿš€ Flatting ranges can be more beneficial under specific conditions, especially in low-stakes scenarios.

  • ๐ŸŽฒ Complexity in playing out of position strengthens the call for clearer strategies like pure 3-bet or fold.

In light of these discussions, it remains evident that while GTO offers a structured pathway, player adaptability might just be the key to unlocking potential winnings at the tables.

The Road Ahead in Betting Strategy

Looking forward, the betting strategies discussed among poker enthusiasts will likely evolve further as players adapt to these insights. Experts estimate there's about a 70% chance that more players will gravitate toward the raise-or-fold approach in higher-stakes games as they recognize the complexities of playing from the small blind. In contrast, lower-stakes players might continue mixing in flat calls, keeping that strategy effective around 60% of the time against less experienced competitors. This adaptability indicates a shift where studying game theory will become crucial for success on the felt, as players weigh their options against opponents' tendencies.

A Fresh Lens on Decision-Making

Drawing an intriguing parallel, consider the strategies employed by chess grandmasters in the 20th century. Just as some players chose to rely on rigid openings while others ventured off the mainstream path, today's poker players are at a similar crossroads. Much like the rise of surprise tactics in chess, which often led to significant upsets, adapting one's poker strategy can yield unexpected victories. This adaptability signifies not only growth but also a recognition that clear strategies do not always guarantee success, as players continually seek the upper hand in a rapidly changing landscape.