Place strike rate by the exact number of runners
A reader asked for a sire's place strike rate by the exact number of runners in a race, and said no tool he had tried would give it to him. Two new System Builder breakdowns answer it - and show why a field-size band can hide the very step you are looking for.
Import Your Own Ratings — on racecards, My Card and the System Builder
RaceMetrics now accepts imported rating sets. If you maintain ratings in a spreadsheet, model or other software, you can upload them as a CSV file and put them to work across the…

The Thursday Take: Britain Ran 1,438 Races Without Soft Ground. Nothing You Could Bet On Changed.
Between 20 June and 19 August, British turf racing ran 1,438 consecutive races without one on soft ground - the only summer in thirty years with none at all. So we tested every piece of received wisdom about fast ground against 658,000 runners. Almost none of it survived.
"Lay the Favourite in 12-Runner Handicaps" — Built Properly in the System Builder
Around twenty System Builder questions in the last fortnight began with "lay" — and every one lost a condition. Nothing is broken: rules describe the selection, and the bet direction has its own home on the Staking tab.

The most-requested angle of the month: horses running off a lower mark than they won off
Six requests in a fortnight, across two different tools, for the same idea: find the horse running off a lower mark than the one it last won from. So we tested it on 395,129 handicap runs — and the version everybody asks for is the version the market has already bought.

RMP: A Fair Price On Every Runner, Struck Before The Market Moves
Every runner in every UK and Irish race now carries an RMP — the RaceMetrics Model Price — a 100% book struck each morning before the market has moved, with a one-line RMP View on what the model saw. It is an opinion to test, not a tip, and here is exactly what it is and is not.

How to back-test a horse racing system without fooling yourself
Most back-tests fail because the test knew something the punter could not have known, or because the rules were bent until the past looked perfect. Two rules prevent both — and the System Builder applies them for you.

RaceMetrics or Proform Premium: which one do you need?
We run two products on two sites, and from the outside it is not obvious where to start. Here is the short version.
One sentence, one sectional system — Ask the System Builder
A member asked the System Builder the same sentence twenty times. We built it properly: three sectional rules, an honest read, a breakdown, a morning list.

The Thursday Take, Ebor Day Special: Eleven of the Twenty-Four Are in the 42-66 Day Band
On Thursday we found that the value in a big-field handicap hides inside one tick-box: horses back after 42 to 66 days are the best-priced group in the race, and six of the last eight Ebor winners came off exactly that break. The fields are up. Here is who fits — across all four of Saturday’s big handicaps at York, including the one where the answer is nobody at all.
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