Originally Posted by stebbo

As long as the three strategies were guaranteed to pick different horses then it would be acceptable to add the probabilities together and estimate your LRO based on that. However, as soon as the strategies starting picking only one or two horses per race, then the math becomes very tricky.

If it were easy to do, then it might be useful to find the S/R when all three strategies select the same horse, and work from there. This should give a pretty good "worst case scenario".

Cheers,
Chris.