hard · Poker Theory Preflop

Game: NLHE | Format: Six-Max Cash | Blinds/Antes: 1/2 | Effective Stacks: 100 bb | Hero Position: BTN | Pot Size: 1.5 bb Hero considers a BTN open. Holding A♠ 2♥ blocks combinations of AA, AK, AQ, AJ, and AT in the blinds. If the BB calling range is heavily ace-weighted, how does holding an A specifically affect the fold frequency F compared to holding a hand like K♠ J♣?

1. A has no impact on F because cards are dealt randomly.
2. A decreases F by making it more likely the opponent holds a pair.
3. A increases F by removing ≈ 25% of ace-containing calling combinations.
4. K J increases F more by blocking KK and JJ.

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