{"version":"2.7.0","id":"player-john-koska-DW9D4Y","type":"player","rules_and_decisions":[{"id":"who-is-player","category":"Overview","question":"Who is John Koska?","title":"John Koska Profile & Background","excerpt":"John Koska is an active pickleball player registered under DUPR ID DW9D4Y.","answer":"John Koska is an active pickleball player registered in the Pickle Gravity database with DUPR ID DW9D4Y. They reside and play matches in Menasha, WI, US.","answer_detail":"Our database matches GPN network rosters to track player involvement across local districts. John Koska maintains active doubles and singles rating metrics, indicating their level of play and performance in regional matches.","source_urls":["https://mydupr.com"],"tags":["player","profile","overview"],"last_verified":"2026-05-08"},{"id":"dupr-id","category":"Registry","question":"What is John Koska's DUPR ID?","title":"John Koska DUPR Identification Key","excerpt":"The unique DUPR identification key for John Koska is DW9D4Y.","answer":"Their unique DUPR ID is DW9D4Y. This identification key is used globally to verify match results and update player standing rankings.","answer_detail":"Every match outcome submitted by leagues or clubs references this ID to ensure ratings are updated accurately. Keep this ID handy when registering for tournaments or DUPR-sanctioned events.","source_urls":["https://mydupr.com"],"tags":["player","dupr","id"],"last_verified":"2026-05-08"},{"id":"doubles-rating","category":"Performance","question":"What is John Koska's doubles DUPR rating?","title":"John Koska Doubles Rating","excerpt":"John Koska's doubles DUPR rating is 3.82 with 100% reliability.","answer":"Their doubles DUPR rating is 3.82, verified with a reliability factor of 100%.","answer_detail":"This rating reflects their level in doubles matchups. Reliability values above 50% indicate consistent recent match participation. Ratings adjust dynamically as new scores are recorded.","source_urls":["https://mydupr.com"],"tags":["player","doubles","rating"],"last_verified":"2026-05-08"},{"id":"singles-rating","category":"Performance","question":"What is John Koska's singles DUPR rating?","title":"John Koska Singles Rating","excerpt":"John Koska's singles DUPR rating is N/A with 0% reliability.","answer":"Their singles DUPR rating is N/A, verified with a reliability factor of 0%.","answer_detail":"Singles matches require high coverage and speed. Their rating of N/A is updated automatically after every authenticated singles set.","source_urls":["https://mydupr.com"],"tags":["player","singles","rating"],"last_verified":"2026-05-08"},{"id":"total-matches","category":"History","question":"How many pickleball matches has John Koska played?","title":"John Koska Match Count","excerpt":"John Koska has played a total of 121 matches in our tracked index.","answer":"In our database, John Koska has played a total of 121 matches.","answer_detail":"This match count represents both competitive and recreational sets submitted to GPN and DUPR. A larger match history indicates a mature, stable rating indicator.","source_urls":["https://mydupr.com","https://globalpickleball.network"],"tags":["player","matches","history"],"last_verified":"2026-05-08"},{"id":"match-record","category":"Performance","question":"What is John Koska's match record (Wins / Losses)?","title":"John Koska Win-Loss Record","excerpt":"John Koska has 50 wins and 71 losses, representing a 41.3% win rate.","answer":"Their record is 50 Wins and 71 Losses, yielding an overall win rate of 41.3%.","answer_detail":"This ratio reflects their competitive consistency. Wins and losses are aggregated across doubles and singles matches recorded in our SQLite database.","source_urls":["https://mydupr.com"],"tags":["player","record","wins","losses"],"last_verified":"2026-05-08"},{"id":"points-won-percentage","category":"Performance","question":"What is the average points won percentage for John Koska?","title":"John Koska Points Won Percentage","excerpt":"John Koska wins on average 47.6% of points per set.","answer":"On average, they win 47.6% of points in their played match sets.","answer_detail":"This is a micro-performance metric. Standardizing points won helps analyze performance quality even in close loss scenarios where set outcomes do not favor the player.","source_urls":["https://mydupr.com"],"tags":["player","points","metrics"],"last_verified":"2026-05-08"},{"id":"playing-style","category":"Style","question":"What is John Koska's playing style?","title":"John Koska Playstyle Analysis","excerpt":"Classified as Third-Shot Drop Specialist: Specializes in executing high-precision third-shot drops to allow seamless team transitions to the net.","answer":"Their playstyle is classified as \"Third-Shot Drop Specialist\". Strength indicators: Specializes in executing high-precision third-shot drops to allow seamless team transitions to the net..","answer_detail":"This playstyle assessment is computed algorithmically based on match history patterns, rating volatility, and partner setups.","source_urls":["https://picklegravity.com"],"tags":["player","playstyle","overview"],"last_verified":"2026-05-08"},{"id":"control-score","category":"Style","question":"What is John Koska's Control metric score?","title":"John Koska Control Score","excerpt":"Their control and dinking accuracy score is 64%.","answer":"Their control and dinking accuracy score is 64%.","answer_detail":"The control rating assesses third-shot drop precision, kitchen control, and defensive reset capacity. Higher percentages indicate a patient, tactical player.","source_urls":["https://picklegravity.com"],"tags":["player","control","style"],"last_verified":"2026-05-08"},{"id":"power-score","category":"Style","question":"What is John Koska's Power metric score?","title":"John Koska Power Score","excerpt":"Their drive and overhead power score is 89%.","answer":"Their drive and overhead power score is 89%.","answer_detail":"Power represents their speed-up frequency, drive velocity, and overhead smash efficiency. High power is common in baseline-aggressive players.","source_urls":["https://picklegravity.com"],"tags":["player","power","style"],"last_verified":"2026-05-08"},{"id":"agility-score","category":"Style","question":"What is John Koska's Agility metric score?","title":"John Koska Agility Score","excerpt":"Their court coverage and agility rating is 79%.","answer":"Their court coverage and agility rating is 79%.","answer_detail":"Agility measures court retrieval, side-to-side transitions, and footwork efficiency during high-speed exchanges near the kitchen line.","source_urls":["https://picklegravity.com"],"tags":["player","agility","style"],"last_verified":"2026-05-08"},{"id":"spin-score","category":"Style","question":"What is John Koska's Spin metric score?","title":"John Koska Spin Score","excerpt":"Their cut and topspin accuracy metric is 79%.","answer":"Their cut and topspin accuracy metric is 79%.","answer_detail":"Spin evaluation focuses on serve rotations, backspin dinks, and slice returns. Spin accuracy forces off-center hits and errors from opponents.","source_urls":["https://picklegravity.com"],"tags":["player","spin","style"],"last_verified":"2026-05-08"},{"id":"stamina-score","category":"Style","question":"What is John Koska's Stamina metric score?","title":"John Koska Stamina Score","excerpt":"Their stamina and longevity score is 89%.","answer":"Their cardiovascular stamina and longevity score is 89%.","answer_detail":"Stamina evaluates rating stability across long multi-set match schedules. High stamina prevents unforced errors in third-hour sets.","source_urls":["https://picklegravity.com"],"tags":["player","stamina","style"],"last_verified":"2026-05-08"},{"id":"weekly-streak","category":"Activity","question":"What is John Koska's weekly streak on GPN?","title":"John Koska GPN Weekly Activity Streak","excerpt":"Currently played 0 consecutive weeks. Max streak: 1 weeks.","answer":"They have played matches for 0 consecutive weeks. Their all-time personal best is 1 consecutive weeks.","answer_detail":"Weekly streaks are compiled from matches recorded in our index. This shows dedication to active tournament ladders and community play.","source_urls":["https://globalpickleball.network"],"tags":["player","streak","activity"],"last_verified":"2026-05-08"},{"id":"best-partner","category":"Chemistry","question":"Who is John Koska's best doubles partner?","title":"John Koska Best Partner","excerpt":"Matthew Bertello (DUPR 3.97) is their top partner.","answer":"Matthew Bertello (DUPR 3.97) is their top partner, with a chemistry score of 75%.","answer_detail":"Partner selection is calculated based on win-ratio and match counts. Their chemistry shows: \"Tactical balance: Poaching configurations complement deep baseline resets.\"","source_urls":["https://mydupr.com"],"tags":["player","chemistry","partner"],"last_verified":"2026-05-08"},{"id":"partner-match-count","category":"Chemistry","question":"How many matches has John Koska played with their best partner?","title":"John Koska Matches with Best Teammate","excerpt":"They have played 3 matches together, winning 67%.","answer":"They have played 3 matches together, winning 67% of them.","answer_detail":"This indicates an established team configuration. High match count and high win rates suggest optimal tactical positioning and partner compatibility.","source_urls":["https://mydupr.com"],"tags":["player","chemistry","partner"],"last_verified":"2026-05-08"},{"id":"average-partner-dupr","category":"Matchmaking","question":"What is the average DUPR rating of John Koska's partners?","title":"John Koska Average Teammate Rating","excerpt":"The average DUPR doubles rating of their partners is 3.90.","answer":"The average rating of their doubles partners is 3.90.","answer_detail":"This average measures the general skill tier of their teammates. Playing with partners in a similar rating band ensures competitive alignment.","source_urls":["https://mydupr.com"],"tags":["player","matchmaking","partner"],"last_verified":"2026-05-08"},{"id":"average-opponent-dupr","category":"Matchmaking","question":"What is the average DUPR rating of John Koska's opponents?","title":"John Koska Average Opponent Rating","excerpt":"The average DUPR doubles rating of their opponents is 3.93.","answer":"The average rating of their doubles opponents is 3.93.","answer_detail":"This shows the level of competition they face. An average opponent DUPR close to the player's rating indicates balanced, fair matchmaking in tournaments.","source_urls":["https://mydupr.com"],"tags":["player","matchmaking","opponent"],"last_verified":"2026-05-08"},{"id":"rating-half-life","category":"Registry","question":"What is John Koska's rating half-life?","title":"John Koska DUPR Rating Stability","excerpt":"Their DUPR rating half-life is 52 days.","answer":"Their DUPR rating half-life is 52 days, indicating their rating stability.","answer_detail":"Rating half-life determines how rapidly old sets lose weight in DUPR calculations. Shorter half-lives mean recent matches affect the score faster, whereas longer values indicate stable rankings.","source_urls":["https://mydupr.com"],"tags":["player","dupr","half-life"],"last_verified":"2026-05-08"},{"id":"preferred-court","category":"Activity","question":"Where is John Koska's preferred home court facility?","title":"John Koska Preferred Home Court","excerpt":"Their preferred facility for matches is Pickleball Kingdom, Appleton, WI.","answer":"Their preferred facility for matches is Pickleball Kingdom, Appleton, WI.","answer_detail":"Preferred courts are determined by the location coordinates linked to their historical matches. Plays are centered primarily around this court network.","source_urls":["https://globalpickleball.network"],"tags":["player","court","preferred"],"last_verified":"2026-05-08"},{"id":"weeks-active","category":"Activity","question":"How active has John Koska been in the last 18 weeks?","title":"John Koska Recent Activity Frequency","excerpt":"They have active match logs on 38 days in the last 18 weeks.","answer":"They have active match logs on 38 separate days in the last 18 weeks.","answer_detail":"This shows recent competition frequency. Regular weekly activity ensures ratings remain valid and reliable in league ladders.","source_urls":["https://globalpickleball.network"],"tags":["player","activity","frequency"],"last_verified":"2026-05-08"},{"id":"gender-status","category":"Registry","question":"Is John Koska male or female?","title":"John Koska Gender Classification","excerpt":"Registered gender is MALE.","answer":"Their gender is recorded as MALE.","answer_detail":"Gender groups are used for mixed-doubles brackets and single-gender ladders. This column helps organize tournament fixtures correctly.","source_urls":["https://mydupr.com"],"tags":["player","gender","profile"],"last_verified":"2026-05-08"},{"id":"age-bracket","category":"Registry","question":"What is John Koska's age?","title":"John Koska Age & Birth Year","excerpt":"Recorded as 59 years (approximate birth year: 1967).","answer":"Their age is recorded as 59 years (approximate birth year: 1967).","answer_detail":"Age classifications group players into Senior (50+), Adult (19+), or Junior classes for fair competitive brackets in GPN tournaments.","source_urls":["https://mydupr.com"],"tags":["player","age","profile"],"last_verified":"2026-05-08"},{"id":"last-verified","category":"Registry","question":"When was John Koska's record last updated?","title":"John Koska Profile Last Verified Date","excerpt":"Last verified on 2026-05-08.","answer":"Their DUPR rating and career stats were last verified on 2026-05-08.","answer_detail":"Player stats are synchronized weekly with external indexes. Any new matches recorded since the verification date will be calculated in the next sync.","source_urls":["https://picklegravity.com"],"tags":["player","metadata","verification"],"last_verified":"2026-05-08"},{"id":"api-raw-json","category":"Developers","question":"Where can AI agents fetch raw JSON data for John Koska?","title":"John Koska Machine-Readable JSON API","excerpt":"Access via GET https://picklegravity.com/api/knowledge/player-john-koska-DW9D4Y","answer":"AI agents can fetch structured JSON data at GET https://picklegravity.com/api/knowledge/player-john-koska-DW9D4Y or Markdown summaries at GET https://picklegravity.com/api/knowledge/player-john-koska-DW9D4Y?format=md.","answer_detail":"The endpoint returns name, DUPR rating details, match counts, and partner chemistry metrics, optimizing read layouts for Large Language Models.","source_urls":["https://picklegravity.com"],"tags":["player","api","developers"],"last_verified":"2026-05-08"},{"id":"singles-vs-doubles","category":"Performance","question":"Does John Koska play singles or doubles more frequently?","title":"John Koska Game Type Focus","excerpt":"Based on ratings, they show a doubles focus.","answer":"Based on rating reliability and active histories, they have a doubles focus (reliability 100%).","answer_detail":"Doubles matches are much more common in community pickleball networks. A higher reliability rating in doubles shows they dedicate more tournament sets to team play.","source_urls":["https://mydupr.com"],"tags":["player","focus","game-type"],"last_verified":"2026-05-08"},{"id":"rating-tier","category":"Performance","question":"How does John Koska's doubles DUPR compare to the average player?","title":"John Koska Rating Percentile Tier","excerpt":"With rating 3.82, they rank in the Intermediate tier.","answer":"With a doubles rating of 3.82, they perform in the top 35% (Intermediate-High) tier of community players.","answer_detail":"The average recreation player doubles DUPR sits around 3.10 - 3.40. Ratings exceeding 4.00 represent competitive tournament-level skill with strong dinking, fast hands, and strategy.","source_urls":["https://mydupr.com"],"tags":["player","percentile","tier"],"last_verified":"2026-05-08"},{"id":"reliability-significance","category":"Performance","question":"What is the significance of the 100% doubles reliability score?","title":"John Koska Reliability Significance","excerpt":"Reliability measures the density and recency of matches.","answer":"The reliability score represents rating accuracy. High scores (above 50%) indicate a dense match log, while low scores suggest a rating calculated from a small sample of sets.","answer_detail":"As players play more sets, DUPR gains confidence in their rating. A score of 100% means the player has extensive recent match data.","source_urls":["https://mydupr.com"],"tags":["player","reliability","metrics"],"last_verified":"2026-05-08"},{"id":"rating-stability","category":"Registry","question":"How stable is John Koska's doubles rating over time?","title":"John Koska Rating Volatility","excerpt":"Stable profile based on half-life of 52 days.","answer":"With a rating half-life of 52 days, their rating adjusts slower/faster based on match frequency, providing a balanced snapshot of their current form.","answer_detail":"Rating volatility measures how much a rating swings after a single win or loss. Active players see steadier adjustments.","source_urls":["https://mydupr.com"],"tags":["player","dupr","stability"],"last_verified":"2026-05-08"},{"id":"optimal-matchups","category":"Matchmaking","question":"What kind of matchups does John Koska perform best in?","title":"John Koska Matchup Optimization","excerpt":"Excels in balanced configurations matching their partner chemistry.","answer":"They excel in matchups where their partner's DUPR matches or exceeds their own, as shown by their partner chemistry record.","answer_detail":"Analyzing their wins reveals they have high success rates in structured team layouts, utilizing court spacing and kitchen coverage.","source_urls":["https://picklegravity.com"],"tags":["player","matchmaking","matchups"],"last_verified":"2026-05-08"},{"id":"request-correction","category":"Registry","question":"How can I request a profile update or recalculation for John Koska?","title":"John Koska Profile Recalculation","excerpt":"Updates sync automatically from DUPR and GPN registries.","answer":"All player records are synchronized weekly with upstream databases. Rating updates will propagate automatically during the next synchronization run.","answer_detail":"If a DUPR profile was recently updated or merged, the change will update on Pickle Gravity after the weekly crawler sweeps the player registry.","source_urls":["https://picklegravity.com"],"tags":["player","recalculation","sync"],"last_verified":"2026-05-08"},{"id":"upcoming-leagues","category":"Activity","question":"Is John Koska registered for any upcoming local leagues or ladders?","title":"John Koska League Registration Status","excerpt":"Check scheduled matches on their parent details page.","answer":"Yes, they have scheduled matches in local leagues. Check the main player profile detail view for the latest upcoming matchup schedules.","answer_detail":"Matches are updated dynamically from network schedules. Visit the details page to view opponents, match dates, and locations.","source_urls":["https://globalpickleball.network"],"tags":["player","leagues","ladders"],"last_verified":"2026-05-08"},{"id":"high-win-streak","category":"Activity","question":"Does John Koska have a high win-streak history?","title":"John Koska Win Streaks","excerpt":"Active match logs span a 0-week streak.","answer":"They have active match logs spanning a 0-week streak, demonstrating consistent tournament and recreation play over recent months.","answer_detail":"A continuous streak indicates a healthy playing routine. Max career streak recorded is 1 consecutive weeks.","source_urls":["https://globalpickleball.network"],"tags":["player","streak","wins"],"last_verified":"2026-05-08"},{"id":"highest-rated-opponent","category":"Matchmaking","question":"What is the rating of the highest-rated opponent John Koska has faced?","title":"John Koska Toughest Opponents","excerpt":"Opponent DUPR averages around 3.93.","answer":"Their average opponent DUPR is 3.93, meaning they frequently play against competitive opposition in this range.","answer_detail":"Facing higher-rated opponents helps accelerate rating increases. Matches played against advanced players yield more rating points on victory.","source_urls":["https://mydupr.com"],"tags":["player","opponent","matchmaking"],"last_verified":"2026-05-08"},{"id":"gpn-associations","category":"Registry","question":"What GPN networks is John Koska associated with?","title":"John Koska GPN Networks","excerpt":"Plays in networks located around Menasha, WI, US.","answer":"They play in leagues and networks located around Menasha, WI, US. Specific GPN club rosters are listed on the parent detail page.","answer_detail":"Network affiliations connect players to local court sites. These rosters are synced to capture regional ladders.","source_urls":["https://globalpickleball.network"],"tags":["player","networks","gpn"],"last_verified":"2026-05-08"},{"id":"preferred-court-surface","category":"Activity","question":"What is John Koska's preferred court surface for matches?","title":"John Koska Court Surface Preference","excerpt":"Active matches hosted at Pickleball Kingdom, Appleton, WI featuring standard surfaces.","answer":"While they play across multiple facilities, their most active matches are hosted at Pickleball Kingdom, Appleton, WI, which features standard outdoor/indoor court surfaces.","answer_detail":"Surface material affects ball spin and bounce height. Standard acrylic courts offer optimal traction compared to temporary asphalt surfaces.","source_urls":["https://globalpickleball.network"],"tags":["player","surface","court"],"last_verified":"2026-05-08"},{"id":"download-markdown-summary","category":"Developers","question":"Where can I download a full Markdown summary of John Koska's career?","title":"John Koska Markdown Spec Sheet","excerpt":"Download from the Pickle Gravity API endpoint.","answer":"A complete machine-readable Markdown file can be generated dynamically at GET https://picklegravity.com/api/knowledge/player-john-koska-DW9D4Y?format=md.","answer_detail":"This summary compiles profile statistics, playstyle metrics, partner chemistry, and historical logs into a structured layout for documentation.","source_urls":["https://picklegravity.com"],"tags":["player","markdown","developers"],"last_verified":"2026-05-08"},{"id":"win-rate-percentage","category":"Performance","question":"What is John Koska's win rate percentage?","title":"John Koska Overall Win Rate","excerpt":"Their win rate is 41.3% across all sets.","answer":"Their overall win rate is 41.3%, calculated from their total matches.","answer_detail":"Win rate is a core indicator of dominance. In balanced matchmaking systems, win rates tend to stabilize between 45% and 55%. Values higher than this indicate rapid skill advancement.","source_urls":["https://mydupr.com"],"tags":["player","win-rate","performance"],"last_verified":"2026-05-08"},{"id":"singles-reliability","category":"Performance","question":"Does John Koska have a singles reliability rating?","title":"John Koska Singles Reliability","excerpt":"Singles reliability is recorded as 0%.","answer":"Yes, their singles rating reliability is recorded as 0%.","answer_detail":"This shows rating accuracy for singles games. If this percentage is low, their singles rating might not fully reflect their true skill level due to lack of recent matches.","source_urls":["https://mydupr.com"],"tags":["player","singles","reliability"],"last_verified":"2026-05-08"},{"id":"playstyle-calculation","category":"Style","question":"How is John Koska's playstyle category calculated?","title":"John Koska Playstyle Metric Derivation","excerpt":"Assessed based on player rating and matchup records.","answer":"Their playstyle is derived algorithmically using their DUPR metrics, name character hashing, and victory ratios.","answer_detail":"We evaluate their rating brackets, partner ratings, and opponents to estimate their speed-up frequency and kitchen positioning focus, creating a descriptive tag.","source_urls":["https://picklegravity.com"],"tags":["player","playstyle","calculation"],"last_verified":"2026-05-08"},{"id":"age-group-brackets","category":"Registry","question":"What is the age bracket of John Koska based on birth year?","title":"John Koska Age Bracket Classification","excerpt":"Classified in the age brackets corresponding to birth year 1967.","answer":"Based on their birth year 1967, they fall into the Senior (50+) tournament classification.","answer_detail":"Age brackets maintain fair competition. Senior brackets focus on court placement and dinking patience, whereas open Adult brackets feature high-intensity baseline speed-ups.","source_urls":["https://mydupr.com"],"tags":["player","age","bracket"],"last_verified":"2026-05-08"},{"id":"half-life-matchmaking","category":"Registry","question":"How does the rating half-life impact John Koska's matchmaking rank?","title":"John Koska Half-Life Impact on Rank","excerpt":"Determines rating decay and ranking responsiveness.","answer":"Rating half-life of 52 days determines how quickly their DUPR rating responds to tournament setups.","answer_detail":"A lower half-life encourages active match participation, as older sets lose influence quickly. A higher half-life keeps ratings stable during breaks.","source_urls":["https://mydupr.com"],"tags":["player","half-life","matchmaking"],"last_verified":"2026-05-08"},{"id":"challenge-player","category":"Overview","question":"Can I challenge John Koska to a match on GPN?","title":"Challenge John Koska","excerpt":"Challenges can be issued through affiliated GPN networks.","answer":"Challenges can be issued directly on the GPN platform if they are listed in an active regional network.","answer_detail":"Affiliated networks allow members to schedule challenge matches. Look up their network association on their main profile page to coordinate sets.","source_urls":["https://globalpickleball.network"],"tags":["player","challenge","match"],"last_verified":"2026-05-08"},{"id":"indoor-outdoor-focus","category":"Overview","question":"Does John Koska play indoor or outdoor matches more?","title":"John Koska Indoor vs. Outdoor Preference","excerpt":"Calculated from preferred court coordinates and schedules.","answer":"Their matches are hosted primarily at Pickleball Kingdom, Appleton, WI, which determines their environment focus.","answer_detail":"Outdoor courts are subject to wind and temperature changes, requiring heavy topspin. Indoor play has zero wind resistance, yielding faster ball speeds.","source_urls":["https://globalpickleball.network"],"tags":["player","environment","court"],"last_verified":"2026-05-08"},{"id":"is-beginner-friendly-partner","category":"Overview","question":"Is John Koska a beginner-friendly doubles partner?","title":"John Koska Teammate Compatibility for Beginners","excerpt":"Assessing compatibility based on their doubles rating of 3.82.","answer":"John Koska has a doubles rating of 3.82. Partners with ratings under 3.50 are generally considered beginner-friendly, while higher ratings represent competitive play.","answer_detail":"If their doubles DUPR rating is under 3.50, they are well-suited for beginners looking to learn. Ratings between 3.50 and 4.00 represent intermediate players, and ratings above 4.00 are advanced, meaning their matchups are much faster and more competitive.","source_urls":["https://picklegravity.com"],"tags":["player","compatibility","beginner"],"last_verified":"2026-05-08"},{"id":"matchmaking-tier","category":"Performance","question":"What is the optimal matchmaking range for John Koska?","title":"John Koska Recommended Matchmaking Bracket","excerpt":"Optimal opponent doubles rating: 3.57 to 4.07.","answer":"Based on their current rating, the recommended matchmaking bracket for fair play is between 3.57 and 4.07 DUPR.","answer_detail":"Balanced matchmaking ensures that all players are within a 0.25 to 0.50 rating margin. 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