Eight records were broken and the two Diocesan schools put themselves in a strong position to retain their titles on the first day of the 2005/06 Division One inter-school swimming championships last week. The finals, scheduled for tomorrow at Kowloon Park pool, will be a tough battle, likely to be decided by the end-of-the-day relays. As usual, Heep Yunn and Good Hope schools will pose the biggest challenge to the students from Diocesan Girls' School (DGS), with just two points separating the three teams. Among the boys, Diocesan Boys' School (DBS), La Salle College and St Joseph's College are all on 54 points, followed by Ying Wa College (53 points) and Queen's College (48). DBS coach Kenny Yip is confident his swimmers will retain their title. 'We are expecting to win Grades B and C by a large margin, but Grade A is harder to predict,' said Yip. 'We are leading, but it will be very close. 'La Salle and St Joseph's both have some strong talent, but it will be hard to beat us overall, as all our swimmers reached the final in every event. 'St Joseph's have McGyver Tse Chun-ho in Grade A, a very good swimmer who is in the Hong Kong team. I think he will win more points for them.' McGyver broke a Grade A record in the 100-metre freestyle, timing 54.11 seconds. In Grade C, Lum Ching-tat of DBS broke three records. He broke two records in the 100m freestyle, timing 25.26 seconds at the 50m mark, and 57.20 for the 100m. Later in the 4 x 50m relay, he helped his team set a new mark, timing 2 minutes, 0.20 seconds. Hong Kong national team swimmer Sze Hang-yu, from DGS, was at her best to equal the 50m freestyle record in 27.05 seconds, while Heep Yunn's Cheung Ho-yi beat the 50m backstroke record with a time of 31.31 seconds. In Grade C, Claudia Lau Yin-yan clocked 32.05 seconds to set a new record in the 50m backstroke. Schools battling to avoid relegation at the bottom of the 12-team ladder are Hong Kong International School and True Light Middle School of Hong Kong (girls), and among boys, West Island School and St Paul's College.