CO河牌加注-弃牌（湿润面）（CO River Raise-Fold Wet）

Term Background

In Texas Hold'em, the CO (Cutoff, Cutoff) is the position to the right of the dealer, offering significant positional advantage. The River is the final round of betting. Wet refers to board textures that have potential for straights or flush draws, such as suited or connected cards. CO River Raise-Fold Wet is an advanced strategy typically used to exploit positional advantage for value raises or bluff raises, but folding if the opponent shows strength.

Applicable Scenarios

• Value Raise: When a player holds a made hand (e.g., top pair or two pair) and believes the opponent may call with a draw, raising to extract extra value. However, if the opponent re-raises, indicating they have a stronger made hand (e.g., a straight or flush), folding avoids further loss.
• Bluff Raise: The player holds air but believes the opponent has a medium-strength hand, applying pressure with a raise. If the opponent folds, the player wins the pot; if the opponent re-raises, it signals extreme strength, and the player folds.
• Wet Board Challenge: On wet boards, opponents are more likely to complete draws, so a re-raise after a raise often represents a made hand. This strategy requires good hand-reading skills to assess the opponent's re-raising range.

Notes

• This play may be ineffective in low-stakes games, where opponents don't think much or tend to call too often.
• Overusing it can make the play transparent and lead to exploitation.
• The range should be balanced to avoid bluffing too often without enough value raises.

Example

Typical scenario: Pre-flop, CO raises, big blind calls. Flop shows two suited cards and a connected card; both check. Turn: both check. River completes a straight board (e.g., 3♥4♠5♣6♦7♣). CO holds A♠K♣ (no made hand), bets half pot. Big blind raises to 3x pot. CO folds. In this case, the CO raises and then folds, matching the term's definition.