Flop Range Betting Frequency Table: BTN vs BB Dry Board Practical Guide

Position Scenario Description

In a 6-max no-limit hold'em game, the BTN opens for a raise (standard size ~2.5BB) and the BB calls. Assume the flop is A♠7♥2♦ (a rainbow, dry board with no flush draw possible). At this point, the pot is about 5.5BB and effective stacks are about 100BB.

In this scenario, the BTN has a positional advantage, and the flop structure does not directly help many of the BB's defensive ranges (such as small pairs, suited connectors). Therefore, the BTN's flop continuation bet (c-bet) frequency is typically high, but the range needs to be constructed precisely to avoid over-bluffing.

Recommended Range and Frequency Table

Based on the characteristics of the dry board, the BTN's overall flop betting frequency is recommended to be around 55% to 65%. The specific breakdown is as follows:

• Value Bet (about 30%~35% of hands): Top pair or better (e.g., AK, AQ, A7, A2, etc.), as well as two pair or better (e.g., 77). Note: Small pairs (e.g., 99, TT) are of medium strength on this board and are often part of the checking range.
• Bluff Bet (about 25%~30% of hands): Backdoor draws (e.g., KQ, KJ, QJ with backdoor straight potential), as well as bottom pairs with no showdown value (e.g., 88, 66) or complete air (e.g., T9, 86). Note: Control the proportion of backdoor draws in your bluffs to avoid too much pure air.
• Checking Range (about 35%~45% of hands): Medium-strength pairs (e.g., 99-TT), gutshot straight draws (e.g., 98, 76), and some weak aces (e.g., A3-A6, to avoid being over-raised).

Example Frequency Table (based on 100 hand combinations):

• Value Bet: ~30 hands (AK/AQ/A7/A2/77, etc.)
• Bluff Bet: ~25 hands (KQ/KJ/QJ/88/66, etc.)
• Check: ~45 hands (99/TT/98/76/A3-A6, etc.) Note: Actual proportions should be fine-tuned based on preflop range.

Range Construction Logic

1. Realizing Equity: TT on an A72 flop has only about 20% equity against the BTN's calling range, but checking preserves later bluff opportunities; while KQ has no direct pair but possesses backdoor straight potential and can bluff higher pairs into folding.
2. Polarized Strategy: Dry boards favor a polarized betting range (value + bluffs), because equity differences among medium-strength hands are small. For example, AQ (value) and KQ (bluff) have a clear gap.
3. Defensive Balance: You need to keep enough checking range (e.g., medium pairs) to counter the BB's raise attacks. If your betting frequency exceeds 70%, aggressive opponents can easily exploit you.

Adjustment Factors

• Opponent Tendencies: If the BB calls frequently and folds rarely, reduce bluffs and increase value bets; if the BB folds often, expand your bluff range (e.g., add more backdoor draws).
• Stack Depth: In shallow stacks (<50BB), overall betting frequency increases and the value range widens; in deep stacks (>150BB), reduce marginal bluffs to avoid being raised.
• Turn Plans: If the turn is a blank, the c-bet frequency can be maintained; if the turn completes a draw (e.g., J or T), reassess.

GTO Reference

Under GTO strategy, the BTN's optimal betting frequency on an A72 rainbow flop is approximately 60% (based on theoretical calculations, with simulation results close to this). Of that, about 55% are value bets and 45% are bluffs (backdoor draws account for about 60% of bluffs). GTO also recommends mixed strategies: for example, A5s with a backdoor draw bets about 80% of the time and checks 20%; ATo with top pair bets about 70% of the time.

Practical Application

1. Against Weak Players: If the BB frequently slow-plays or calls too loose, significantly increase value bets and reduce bluffs. For example, bet all AJ+ and check with air like KQo.
2. Against Tight-Aggressive Opponents: Keep a balanced range but occasionally apply pressure on the turn (e.g., bet semi-bluffs with backdoor draws).
3. Self-Adjustment: If you get called or raised repeatedly, lower your betting frequency to below 50% and adopt more check-call strategies.

In summary, the core of the flop range betting frequency table is to dynamically adjust based on board texture, opponent tendencies, and your own range. In practice, start with around 60% as a baseline and fine-tune based on feedback.