Maybe just back favourites on a good track:



There were 45200 horse form lines in the database at this point in time. We update when we get time.There were 2762 selections for the System
There were 963 Winners for the System for a strike rate of 34.87%
There were $2809.2 returned for WIN (after 5% commission) which means a Profit or loss of $47.2 or a percentage profit/loss of 1.71%

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The Rules used were : priceRank < 90 and priceRank = 1 and priceLayRank < 90 and priceLayRank = 1 and cond = 'G'