HARVARD at Pennsylvania  Dartmouth at Brown  Cornell at Columbia  Princeton at Yale  LAST WEEK  SEASON TO DATE Nick Wurf Staff Writer  HARVARD 13-14  Brown 24-10  Cornell 31-17  Princeton  4-0  .31-5 .861 Mike Knobler Execanice Editor  HARVARD 23-21  Brown 30-28  Columbia 33-24  Princeton 33-18  3-1  28-8 .718 Marine B. Morris Associate Mganzing Editor  HARVARD  14-13  Brown3-2  Cornell 24-7 3-1  24-12 .667 Jeffrey A. Zocker Sporn Editor  HARVARD 21-20cDartmouth 17-10  Cornell 3-0  Yale 7-4  2-2  18-18, .300 Janathan M. Weintrunb '85 Business Manager Guest Selector  HARVARD 24-17  Brown 14-0  Cornell 28-21  Princeton 00-11 Michael F. P. Dorning 13 Associate Managing Editor Guest Selector  HARVARD 20-17  Dartmouth 17-10  Cornell 20-0  Princeton 28-21 Steve Beraouitz Penn '86 Daily Pennsyhanias Sports Editor  Penn 23-21 Brown 28-0  Cornell 23-21  Princeton 24-0