TD3: durrell harry in race

The notebook

In order: what the lab saw, what it asked, what it proposed and why, what the tests said, and what an investigator concluded. Numbers are aggregates on the discovery data unless a step says otherwise.

1. Hypothesised15 Oct, 23:10

   TD3: durrell harry in race KILLED red

   because Durrell on Dan with Harry on another Dan runner in the same race. Predicted below.

   trainer = 'Dan Skelton' AND race_type IN ('Chase', 'Hurdle') AND jockey = 'Tristan Durrell' AND EXISTS (SELECT 1 FROM v b WHERE b.race_id = v.race_id AND b.jockey = 'Harry Skelton')

   made by import

2. Tested15 Oct, 23:10

   broad: A/E 0.95 on 82 bets, by period 0.55. info

   Every period below 1.00. Zone: all. On TD3: durrell harry in race

   By period

   betsA/E0.71.01.3

   2020-224–

   2023 to a year ago490.55

   Last year29–

3. Killed15 Oct, 23:10

   TD3: durrell harry in race Discovery → KILLEDimport: best [broad] RED A/E 0.951 on 82 bets