gbettle Posted January 6, 2013 Share Posted January 6, 2013 Howdy all, Hope this message finds everyone well - roll on 2013. So very sorry, but I'm having a real brain fart at the moment. I'm paper trialling a system and i.e. let's look at 3 races. My stake is £2: Raceid Course Position Horseid Sp Sptext Spdecimal Backresult Layresult 562388 Tramore 6 739745 11/4F F 3.75 -2.00 2.00 565371 Tramore 2 798245 7/1 8.00 -2.00 2.00 570435 Tramore 1 781905 3/1 4.00 8.00 -6.00 I make the BackResult column: If Position = 1 then BackResult = Stake + ( Stake * SPDecimal - 1). If the Position is not 1, then BackResult = -Stake For the LayResult column: If Position = 1 then LayResult = -Stake + ( SPDecimal - 1). If the Position is not 1, then LayResult = Stake So, for those 3 races, I'd be +£4 up if I had Backed all 3 and -£2 if I had Layed them all. Is that correct? Cheers, Thanks ... TA! Garry Quote Link to comment Share on other sites More sharing options...
Aidymac Posted January 6, 2013 Share Posted January 6, 2013 Re: Stupid P&L question No, you would be up 2 backing them, or down 2 laying them mate. A 3/1 winner is +6, subtract the two losers = -4, = +2 Quote Link to comment Share on other sites More sharing options...
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