Age: 80% of winning horses were 5/6 years old
Form: 100% of horses were ridden in the same season and placed in the last race. 70% were distance and going winners and 80% had placed before at Ascot.
Trainers: P Nicholls has a good record here (30%)
Favourites more likely to win on softer ground.
All winners over the last 10 years were within 5lbs of the top weight.