Cos Cob Chili Cook Off, Saturday, October 3, 3pm to 6pm, at Diamond Hill United Methodist Church, 521 East Putnam Avenue, Cos Cob, CT, 203-869-2395. $10 fee to taste & judge chili. Free to enter your chili. All proceeds to benefit the Neighbor to Neighbor Food Bank. For more info, 203-869-2395, www.diamondhillumc.com