Definition
Combos is the shortened terminology for combinations in poker, referring to the specific number of ways a particular hand can exist given the cards already revealed. When analyzing opponent ranges and hand frequencies, players use combo counts to determine probabilities with mathematical precision. Understanding combos separates casual players from those using modern poker theory.
Every poker hand consists of two cards, and the number of ways to combine those specific ranks depends on how many cards of each rank remain in the deck. For example, if you want to know how many different Queen-Jack combinations exist, you multiply the available Queens times available Jacks. This calculation forms the basis of all combination analysis.
Combos become increasingly important in modern poker because they provide objective framework for subjective decisions. Rather than guessing whether an opponent’s range seems strong, combo analysis reveals the exact mathematical composition of possible hands they could hold.
How to Calculate Combos
The simplest combo calculation involves multiplying available cards. For unpaired hands like King-Queen, you have 4 Kings and 4 Queens remaining in a full deck, producing 16 combos (4 times 4 equals 16).
For pocket pairs, the calculation uses a different formula because you cannot use the same card twice. With 4 available cards of the same rank, the formula becomes 4 times 3 divided by 2, equaling 6 combos. This means there are only 6 different ways to hold pocket Aces from a standard deck, but 16 ways to hold Ace-King.
When some cards become known through community cards or player exposures, available combo counts decrease proportionally. If one Ace appears on the board, only 3 Aces remain, reducing Ace-King combos to 12 (3 times 4). If the board shows Ace-King, the combo count drops to zero because both cards are no longer available.
Experienced players memorize combo frequencies rather than calculating during hands. Standard unpaired hands contain 16 combos. Pocket pairs contain 6 combos. Specialized positions develop instinctive understanding of which combos remain after observing community cards and opponent actions.
When Does Combo Analysis Matter?
Combo analysis matters whenever you need to determine opponent hand frequencies. Against a player betting aggressively, knowing they probably hold either strong hands or bluffs requires understanding how many combos of each exist. If they have 6 combos of pocket Aces and 30 combos of bluffs, your decision framework changes.
Combos also matter in equity calculations. Determining your exact winning percentage requires comparing your hand against all possible opponent combinations. Running this calculation reveals whether calling or folding produces better expected value.