按钮位河牌彩虹面偷池（BTN River Steal Rainbow）
Refers to the action where the button player attempts to take down the pot by betting or raising on the river in a board structure where both the flop and turn are rainbow all different suits.
Term Explanation
BTN River Steal Rainbow is a poker term describing a specific steal scenario. "BTN" refers to the button position, "River" is the final betting round, "Steal" means attempting to win the pot without a strong hand, and "Rainbow" indicates a board where all cards are of different suits. This term is typically used to analyze a button player's strategy of bluffing or value betting based on positional advantage and board texture when lacking a strong made hand.
Strategic Background
On a rainbow board, flush draws are impossible, making the board relatively "dry" (fewer drawing possibilities). This reduces the number of drawing hands an opponent might hold, thus narrowing their calling range. The button player, who acts last postflop, is often perceived as holding a very strong made hand (e.g., full house, three of a kind, or top pair top kicker) when they continue betting on the river. Therefore, the steal attempt has a higher success rate in this scenario.
Typical Applicable Situations
- The board is rainbow with no possible straight draws (e.g., K♠ 7♦ 2♣ Q♥ 5♠), the button player raised preflop, checked both the flop and turn, and then bets on the river to force a fold.
- The opponent's range is narrow and they tend to fold, especially when the button player's river bet size is large (e.g., pot-sized or overbet), increasing the threat of the steal.
Considerations
- The steal should account for opponent type: it works better against loose-passive players, while caution is needed against tight-passive opponents.
- Although a rainbow board eliminates flush draws, if the board presents possible straight draws (e.g., A♥ K♠ Q♦ J♣), the risk of the steal increases.
- The button player's own image also affects success rate: if they have been stealing frequently, opponents are more likely to hero-call.
Related Terms
- Steal: The act of betting to force opponents to fold on the flop or river.
- Rainbow: A board where all community cards are of different suits, eliminating flush draw possibilities.
- Button (BTN): The dealer position in Texas Hold'em, offering the advantage of acting last postflop.
- River: The betting round after the fourth and final community card is dealt.