▁Category : Jose ph ▁Jacob berger ▁buildings ▁Category : N orth ▁Port land , ▁Oregon ▁Category : P ied mont , ▁Port land , ▁Oregon ▁Category : Port land ▁Historic ▁Land marks ▁Category : Report edly ▁ha unted ▁locations ▁in ▁Port land , ▁Oregon <0x0A> </s> ▁The ▁M ixed ▁Board - a - Match ▁Teams ▁is ▁a ▁bridge ▁competition ▁held ▁at ▁the ▁summer ▁American ▁Cont ract ▁Bridge ▁League ▁( AC BL ) ▁North ▁American ▁Bridge ▁Championship ▁( N ABC ). ▁ ▁From ▁ 2 0 1 0 ▁the ▁event ▁is ▁officially ▁the ▁Fre eman ▁M ixed ▁Board - a - Match ▁Teams , ▁as ▁it ▁is ▁cont ested ▁for ▁the ▁Richard ▁Fre eman ▁Memorial ▁Tro phy , ▁named ▁for ▁Richard ▁Fre eman ▁( 1 9 3 3 – 2 0 0 9 ). ▁This ▁is ▁the ▁fourth ▁tro phy ▁in ▁play , ▁following ▁Leb har , ▁Bar cl ay , ▁and ▁Chicago . ▁ ▁The ▁event ▁is ▁a ▁board - a - match ▁team ▁event . ▁ ▁The ▁event ▁typically ▁last ▁ 2 – 3 ▁days ▁with ▁each ▁day ▁being ▁a ▁round ▁consisting ▁of ▁two ▁sessions ▁of ▁ 2 6 ▁bo ards . ▁ ▁The ▁event ▁is ▁open . ▁ ▁History ▁ ▁The ▁M ixed ▁Teams ▁championship ▁is ▁one ▁of ▁the ▁oldest ▁AC BL ▁events , ▁first ▁played ▁in ▁ 1 9 2 9 . ▁It ▁is ▁a ▁four - session ▁event ▁with ▁two ▁qual ifying ▁and ▁two ▁final ▁sessions . ▁At ▁one ▁time ▁it ▁was ▁restricted ▁to ▁players ▁with ▁at ▁least ▁