小盲河牌4-bet湿面（SB River 4-Bet Wet）
Small blind makes a 4-bet on the river against opponent's raise, with a wet board multiple drawing possibilities.
Term Explanation
This term describes an extreme river play: the small blind player re-raises (i.e., 4-bets) after the opponent bets or raises on the river, and the board is wet (e.g., possible straight or flush draws). Since there is only one betting round on the river, a 4-bet typically means the player either has a very strong hand (like the nuts) or is making a large bluff to try to force a fold.
Strategic Context
A wet board refers to a board with connected cards or flush draw possibilities, such as 9♥8♥7♣ or A♠K♠Q♠. On such boards, many draws may have completed by the river, so a river 4-bet requires extreme caution.
- Value Range: The small blind's value 4-bets usually include only the nuts or near-nut hands (e.g., top full house, straight flush), because the opponent may also hold strong hands on a wet board.
- Bluff Range: Bluff 4-bets typically target medium-strength hands in the opponent's range (e.g., one pair or two pair) to force a fold. However, note that opponents on a wet board may have many made hands, making bluff success less likely.
Important Notes
In actual play, a river 4-bet is extremely rare, usually occurring only in deep-stacked situations where both ranges are polarized. This term is mainly used in theoretical discussions or advanced strategy analysis. Beginners should avoid using it casually.
Related Terms
- Wet Board: A board texture with multiple drawing possibilities.
- River 3-Bet: The first raise of a bet on the river.
- SB Range: The small blind's preflop range.