Chicago, led by Andres Nocioni's 26 points, improved to 5-3 under interim coach Jim Boylan with a victory in Philadelphia tonight, reports the AP. The Sixers had an 18-point first-quarter lead but managed to blow that entire margin by halftime, when they trailed by five. Samuel Dalembert had a big game for Philly with 21 points, 20 rebounds. Elsewhere: