中间位河牌最小加注（彩虹面）（MP River Min-Raise Rainbow）
MP River Min-Raise Rainbow
A non-standard term describing the minimum raise action taken by a middle position player on the river when the board is rainbow.
Term Composition
This term is composed of four common poker elements: MP (Middle Position), River, Min-Raise, and Rainbow (a board where the flop or turn has three different suits, and after the river there is still no flush possibility).
Application Scenarios
In practical discussions, this term may be used to describe a specific situation: the player is in middle position, after the river card is dealt, the board becomes rainbow (no flush draw possible), and the player chooses to min-raise. This raise is usually intended for value betting, blocking, or probing, but it is not a standard strategic term.
Note
This phrase is not separately listed in authoritative poker terminology dictionaries. Its meaning needs to be inferred from context. In rigorous poker communication, a more precise expression should be used, such as "MP min-raise on a rainbow river."