Chess teacher who fought off attacker says class is still on
![Chess teacher who fought off attacker says class is still on](http://bloximages.chicago2.vip.townnews.com/tdn.com/content/tncms/assets/v3/editorial/6/09/60936a8b-933d-53fb-96f8-87047d13dc90/562182831d85e.image.jpg?resize=300%2C237)
MORTON, Ill. (AP) — A 75-year-old chess instructor who fought off a knife-wielding man threatening to kill children at a central Illinois library says this week's attack will not stop his clas…