Poker Term
河牌圈静态牌面持续下注（River C-Bet on Static Board）
On a static board where the flop, turn, and river card structures remain largely unchanged e.g., no straight or flush draws completed, a second or subsequent bet made by the preflop raiser on the river.
Concept Analysis
River C-Bet on Static Board refers to a continuation bet (C-Bet) made on the river on a static board. A static board typically means the board structure changes very little from flop to river, such as a rainbow board with no high cards in sequence, where few draws complete on the river. A typical example: Flop K♠7♦2♣, Turn 4♠, River 3♦.
Strategic Considerations
On a static board, the preflop raiser's range usually has a continuity advantage because it contains more high cards and made hands. The purpose of a river C-Bet can be divided into value betting and bluffing:
- Value Bet: When the preflop raiser holds top pair or better, they can extract value from weaker made hands (e.g., middle pair, bottom pair) or from opponents who are calling stations on the flop.
- Bluff: If the preflop raiser's range includes unimproved high cards (e.g., AQ), and the opponent's range mostly consists of medium-strength hands (e.g., 77-99), a river bet can force the opponent to fold.
Points to Note
- On a static board, the opponent's calling range is usually narrower because the likelihood of completed draws is low, so the fold equity may be higher.
- If the preflop raiser's range is too wide, or if the opponent has a tendency to bluff-catch, the expected value of a river C-Bet bluff may decrease.
- Position matters: In position, a river C-Bet is easier to control the pot; out of position, careful consideration of the opponent's potential check-raise is necessary.