Based on the provided ratings and rankings, my prediction for the winner of this race is:

Winner: Zarinsk
Main Dangers: American Sonja, Thornbrook (IRE), and Tarawa (IRE)

Zarinsk has the highest total rating of 468.8 with odds of 6/1. The horse has shown good form, winning a Curragh race last May and a Listed win on soft ground here in September. With normal improvement from her run over 7f here five weeks ago, she should go close.

The main dangers include American Sonja with a total rating of 468.0 and odds of 15/8, Thornbrook (IRE) with a total rating of 439.0 and odds of 13/2, and Tarawa (IRE) with a total rating of 372.8 and odds of 13/2. These three horses have demonstrated solid performances in their previous races and could pose a threat to the predicted winner.

Please consider other factors such as the ground conditions, jockey, and trainer form before making a final decision.