大盲位河牌干燥牌面冷跟注（BB River Cold Call Dry）
On the river, the player in the big blind position directly cold calls an opponent's bet when the board is dry no straight or flush draw possibilities.
Term Explanation
"BB River Cold Call Dry" is a compound term describing a specific calling action in poker. "BB" stands for Big Blind, "River" refers to the river betting round, "Cold Call" means calling a bet from a previous player without raising or folding, and "Dry" indicates a dry board texture (e.g., rainbow board with no connected cards, making straights or flushes unlikely).
Strategic Implications
On the river with a dry board, hand ranges tend to be more defined: an opponent's bet usually represents a strong made hand (e.g., top pair or better) or a bluff (with low success rate). In this situation, a cold call from the Big Blind is often used in the following scenarios:
- Holding a medium-strength hand (e.g., middle pair, bottom pair) that can beat some value betting ranges of the opponent at showdown;
- Attempting to bluff-catch, though caution is needed when the opponent bluffs infrequently;
- Avoiding the risk of raising, as a raise would likely only get called or re-raised by stronger hands.
Example
Flop: J♠7♦3♣, Turn: 2♥, River: 5♠. The board is dry with no straight or flush possibilities. The Big Blind holds 9♦9♣. The opponent bets full pot on the river. The Big Blind chooses to cold call, as 99 beats many hands weaker than top pair (e.g., Jx) but raising might make the opponent fold weaker hands and only continue with stronger ones.
Notes
This term is not a standard academic definition but rather a situational description used among players. Practical application should consider factors such as opponent tendencies and bet sizing.