Mah-jongg tournament using the simplified rules developed by Stuart Baggaley; it is not the familiar American style of this Chinese game. Prizes, silent auction. Proceeds benefit the EMU STEM Digital Divas project. 1–4:30 p.m., Ann Arbor City Club, 1830 Washtenaw Ave. $25. Preregistration required by Oct. 20 by sending checks payable to AAUW Ann Arbor to 7238 Eaton, Dexter, 48130. annarbor-mi.aauw.net.