IQ152b: poor jump index limited

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

   IQ152b: poor jump index limited KILLED amber

   because Limited failure: Jump Index in the bottom quarter, none of ground gained, speed kept or recovery in its bad quarter.

   race_type IN ('Chase', 'Hurdle') AND l_same_code = 1 AND last_position IS NOT NULL AND l_jump_index_pct <= 0.25 AND ((l_lgj_pct <= 0.25) + (l_speed_lost_pct <= 0.25) + (l_recovery_time_pct >= 0.75)) = 0

   made by import

2. Tested15 Oct, 23:10

   broad: A/E 1.12 on 394 bets, by period 1.19 · 0.88. info

   Betfair SP return -11.4%. Unstable: periods range 0.88 to 1.19. Zone: all. On IQ152b: poor jump index limited

   By period

   betsA/E0.71.01.3

   Earlier half2851.19

   Later half1090.88

3. Killed15 Oct, 23:10

   IQ152b: poor jump index limited Discovery → KILLEDimport: best [broad] AMBER A/E 1.119 on 394 bets