Viswanathan Anand continued to find the going tough as he drew with world’s top rated woman Judith Polgar of Hungary in the fourth round of the MTEL Masters chess tournament now underway here.Overnight leader Michael Adams of Britain signed peace with former world champion Ruslan Ponomariov of Ukraine to retain his slender half point lead over his nearest rivals. For the second time in the event, all the three games ended in a deadlock.With Adams on 2.5 points out of a possible four, Anand, Polgar, Bulgarian Veselin Topalov and Russian Vladimir Kramnik remained a half point adrift of the English with two points each in their kitty.
