Open Section A section open to all. Often has very strong players, but some who are eligible for lower sections choose to play in the Open section for the learning experience. OSA Other States Accepted. Refers to state dues. Quad A four-player round robin section.
Players are usually of similar strength.
Reg Registration at site. SASE Stamped, Self-Addressed Envelope. Section A division of the tournament, usually excluding players above a specified rating. Players in a section face only each other, not those in other sections. Unr Unrated USEF Combined entry fee and USCF dues.