The Medford Chess Club invites you to drop by the gazebo outside the Medford Housing Authority's Saltonstall Building for a friendly game of chess. The club has chess sets, chess clocks, and helpful members who are willing to teach you the rules if you're new to the game. There are no membership dues or fees to play.  If the weather is rainy or cold, the club will meet at the Charlotte & William Bloomberg Medford Public Library at 111 High…