medium · Poker Theory Preflop

Game: No-Limit Hold'em | Format: Cash Game | Blinds/Antes: 1/2, no ante | Effective Stacks: 100 bb | Hero Position: BTN | Pot Size: 1.5 bb | Why is the Raise First In (RFI) range from the Button significantly wider than from Under the Gun (UTG)?

1. The cards dealt to the Button are mathematically more likely to be high pairs. (under this line) (under this line)
2. There are fewer players left to act, increasing the probability of winning the blinds uncontested.
3. The Button has the highest 'Absolute Value' on the board rankings.
4. The Button is required to pay a higher percentage of rake on average.

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