J P McManus runs two in the Juvenile Hurdle, Charli Parcs and Defi Du Seuil best priced 8/11 and 6/4 respectively with 14/1 bar.
Looking on the Racing Post.. Charli Parcs and Defi Du Seuil, principals for the JCB Triumph Hurdle at the Cheltenham Festival in March, have been declared to clash in the Grade 2 trial on Saturday's card, which is registered as the Finesse.
JP McManus owns the pair and his racing manager Frank Berry said on Friday morning: "At the moment Charli Parcs is a definite runner. Defi would only run if the ground becomes very heavy, in which case it's possible Charli Parcs wouldn't run. Nothing is set in stone, though."
This is where the maths help is needed, and my understanding on the rule 4...
It looks very likely only one will run in which case the other will become a heavy favourite (1/5 or shorter). Is it more profitable to bet on both now, then IF one become a non runner, take the rule 4 hit on the horse that remains (likely to be 40p or 60p in the £ depending on the horse) and have the stake returned.
So if you think the remaining horse could go off at 1/5, then the rule 4 would be well worth it either way.
8/11 with a 40p rule four pays 1.446/4 with a 60p rule pays 1.60So if you think the remaining horse could go off at 1/5, then the rule 4 would be well worth it either way.