Pickleball mixer & ladder terms, defined.

Plain-language definitions of the words organizers run into when they set up a mixer, a round-robin, or a ladder league — no jargon, no marketing.

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// 01 Formats & rotation

Formats & rotation

5 terms

Pickleball Mixer: A social play format where players rotate through changing partners and opponents over a series of short games, rather than staying with one fixed partner. A mixer app works out who plays with and against whom each round.
Rotation: The sequence that decides which players are paired together and which court they play on each round. A rotation aims to keep partners and opponents changing and to spread sit-outs evenly.
Round-Robin: A scheduling format in which every player or team is paired to play with or against every other an equal number of times, as far as the round count allows. Round-robin schedules spread partners and opponents evenly across a session.
Fixed Partner: A format where two players stay paired as a team for the whole session and only their opponents change — the opposite of a mixer, where partners change each round. A single session can combine fixed pairs with unpaired players.
Mixed Doubles: Doubles play with one player of each gender per team. A mixed rotation can optionally balance teams so each court has comparable combined skill.

// 02 Scheduling concepts

4 terms

Sit-Out (Bye): A round in which a player is not assigned to a court, used when there are more players than court slots. Balanced scheduling spreads sit-outs as evenly as possible so no one waits far more than others.
No-Repeat (Freshness): A scheduling goal of avoiding repeated partner and opponent pairings for as long as possible, so players face a fresh mix instead of the same few people each round.
Court Assignment: The mapping of each round's matchups onto physical courts. Organizers can pin specific players or games to specific courts when needed.
Seeding: Assigning starting ratings or rankings before games are played, so early matchups and team balancing start from a reasonable estimate rather than from scratch.

// 03 Ladder leagues

4 terms

Ladder League: An ongoing competitive league where players or teams are ranked, and results move them up or down over time. Ladders run across multiple sessions or cycles rather than a single day.
Division: A skill-banded group within a ladder league. Players compete within their division, and cycle results can promote or relegate them between divisions.
Cycle: A defined period of ladder play after which standings are tallied and promotions and relegations are applied. The ladder then carries into the next cycle.
Promotion & Relegation: Moving up to a higher division (promotion) or down to a lower one (relegation) based on results over a cycle, so each division stays close in skill level.

// 04 Ratings

3 terms

Skill Rating: A number estimating a player's current level, used to seed balanced teams and matchups. PickleMixer maintains its own rating from logged game scores; it is separate from external systems such as DUPR.
Elo Rating: A rating method, originally from chess, that adjusts each player's number up or down after every game based on the result and the opponents' ratings. Beating higher-rated players raises a rating more than beating lower-rated ones.
Rating Decay: A gradual reduction applied to a rating after a player has been inactive for a set period, so long-absent players do not keep a stale standing. Playing again restores an accurate rating.

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