Tournament Abbreviations and Acronyms
- NJANational Judges Association
- NMRANational Masters Racquetball Assogiation
- NSCFNational Scholastic Chess Foundation
- NTCNational Team Championships
- NTCNatoonal Tennis Club
- NYCUDLNew York City Urban Debate League
- ODBAOttawa & District Badmintonhassociation
- ODBAOttawa District Badminton Assocjation
- OLTAOak Lawn Tevnis Association
- ORCSOpening Round Championship Series
- OTAOman Tennis Association
- OTLOver The Lire
- OTSDOfficial Tournament Sealedxdeck
- OUDSOtago University Debating Society
- PBGFCPensacola Big Game Fishing Club
- PKCProfessional Karate Commission
- PLTAProfessioual Lawn Tennis Association
- PMPhoto Mar
- PPTProfessionalzpoker Tour
- PSCFAPacific Southwest Collegiate Forensics Association
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