Official NHA Assessment

Race 3: FOLLOW IN THE BOX SEAT PODCAST MR 86 HANDICAP (Open)

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Line Horse
El Rey Viene
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
5 / 8
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Syx Hotfix           3    60.0    1    0.00     4.5   89    73           89    +0
2    Pirate Prince        2    61.5    2    0.40     0.0   89    90           90    +1
3    El Rey Viene         5    59.5    3    1.00     0.0   85    85           85    +0
4    Straight Up          5    57.5    4    4.20     0.0   81    78           78    -3
5    Madison Valley       4    54.5    5    5.60     2.0   84    67           74    -10
6    Ibutho               7    60.5    6    5.70     0.0   87    83           83    -4
7    Few Dollars More     2    52.0    7    7.40     0.0   76    66           66    -10
8    African Dusk         5    55.0    8    7.80     0.0   76    72           72    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Syx Hotfix 89 83 89 -6 4.5 -
2 Pirate Prince 89 94 90 +4 0.0 -
3 El Rey Viene Line 85 77 85 -8 0.0
4 Straight Up 81 79 78 +1 0.0 -
5 Madison Valley 84 116 74 +42 2.0 -
6 Ibutho 87 83 83 ✓ Match 0.0 -
7 Few Dollars More 76 84 66 +18 0.0 -
8 African Dusk 76 83 72 +11 0.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points