Muskogee Chess Club, 5 to 9 p.m., Muskogee Public Library. Information: 478-4042 or 687-1302.

Taking Off Pounds Sensibly (TOPS), 5:30 p.m., Fort Gibson First Freewill Baptist Church, 1487 E. Poplar. Information: 686-0277 or 478-4767.

Taking Off Pounds Sensibly (TOPS) No. 648, Wagoner, 5:30 p.m., First Assembly of God Church, Oklahoma 51. Information: 687-1829 or 485-3260.

Whispering Pines Recovery Group, 6 to 7 p.m., Whispering Pines Community Center, 1601 Carroll St.

Gamblers Anonymous, 6:30 p.m., First United Methodist Church, The Philips Room, 600 E. Okmulgee. Information: 760-4349.

Gam-Anon, 6:30 p.m., First United Methodist Church, room 120, 600 E. Okmulgee Ave. Information: 360-2271.

Yank Tipton Veterans of Foreign Wars Post 474, 7 p.m., 3811 W. Okmulgee Ave.

Rebels With a Cause Narcotics Anonymous, non-smoking meeting, 7 p.m., 633 N. C St.

Heart Issue Support Group, 7:30 p.m., Trinity Full Gospel Church, 5111 Oklahoma.

Muskogee Rebekah Lodge 17, 7:30 p.m., IOOF Lodge Hall, 720 W. Broadway.

Muskogee Excelsior Lodge No. 325, Independent Order of Odd Fellows, 7:30 p.m., 720 W. Broadway.

AA 12 X 12 Study Group, 8 p.m., 313 N. K St.

Checotah AA, 8 p.m., United Methodist Church, 419 W. Gentry.

Midway Big Book AA, closed meeting, 8 p.m., Crescent Valley Baptist Church, nine and one-half miles east of Fort Gibson on U.S. 62. Information: 684-4755.

Straight Up Group NA, 8 p.m., First United Methodist Church Annex, 111 N. W. D St., Stigler. Information: 441-6325.