The market had Kap Vert at 25/1. He won at 20/1. The majority of tipsters backed Kim Roque, King Of Answers or Road To Home. Kap Vert started the week as one of the outsiders in the field. Here is why the data pointed to him — and how the system finds these horses before the market catches up.
The Four Variables That Identified Kap Vert
French breeding is the starting filter for the Scottish Grand National. Seventeen of the last 22 winners were French or Irish bred. Kap Vert is French bred. A horse that fails this filter has an 8% win rate in the race. A horse that passes it has a 77% win rate from within the field. The breeding filter alone narrows 21 runners to a meaningful shortlist.
Weight profile is the second filter. The historical optimal range for the Scottish National is 10st 13lb or less. Kap Vert carried 10st 12lb. He was precisely within that range — significantly below the market leaders King Of Answers (11st 12lb) and Kim Roque (10st 13lb, right at the boundary). Over four miles on heavy ground, each additional pound of weight compounds across every fence and every furlong. Kap Vert's weight advantage was structural, not incidental.
Lightly raced jumpers have historically outperformed established handicappers in this race. Saturday was only Kap Vert's fifth run over fences. The handicapper sets a mark based on evidence — with limited evidence, the mark often underestimates ability. A horse that has jumped cleanly and won on four of five chase starts has demonstrated jumping quality that the official rating hasn't fully captured. The Scottish National rewards jumping quality over sustained periods more than almost any other race.
Jumping accuracy is the variable hardest to quantify from the form book but easiest to assess from race replays. Kap Vert's jumping in his previous four chase starts was assessed as exceptional — clean, economical, consistent. On heavy ground where poor jumpers lose lengths at each fence, a horse that crosses obstacles without incident has a compounding advantage that grows as the race develops.
Why the Market Missed It
The market priced Kap Vert at 25/1 because the visible form — four moderate chase runs before Saturday — did not produce the headline-grabbing results that attract public money. Kim Roque finished fourth in the Cheltenham Festival's Kim Muir — a result thousands of people watched and remembered. Kap Vert won a small race at Exeter on his fourth chase start. The public back horses they recognise. The data backs horses where the probability exceeds the price.
At 25/1, Kap Vert's probability of winning given his profile was significantly undervalued. The market gave him a 4% chance. The data, weighing his breeding, weight, jumping and lightly raced profile against historical Scottish National patterns, assessed the probability as meaningfully higher than that.
The Lesson
The Scottish Grand National favourite has now won just three times in 23 renewals. The data has consistently shown that value in this race is not at the head of the market. It is in horses with the right breeding, the right weight, the right jumping profile and the right level of freshness — horses that fit the historical template rather than the narrative template the public and press prefer.
Kap Vert was not an obvious selection. He was a data selection. The two things are different — and the difference produced a 20/1 winner.
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