Official NHA Assessment

Race 5: GOLD CIRCLE RACING YOUTUBE CHANNEL MR 75 HANDICAP (Open)

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Line Horse
Pewter Sky
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 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    Maxiumus             4    57.0    1    0.00     6.0   69    72           69    +0
2    Pewter Sky           3    59.0    2    2.00     8.5   74    74           74    +0
3    Red Sole             3    59.5    3    2.70     8.5   75    74           74    -1
4    Secret Giver         4    57.5    4    3.00     6.0   70    75           75    +5
5    Double Martini       4    59.5    5    3.30     6.0   74    78           78    +4
6    Banzai Pipeline      7    58.0    6    4.40     0.0   71    86           86    +15
7    Rodriguez            6    59.0    7    4.60     0.0   74    88           88    +14
8    Imposing             2    58.0    8    6.70     0.0   96    86           86    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Maxiumus 69 88 69 +19 6.0 -
2 Pewter Sky Line 74 71 74 -3 8.5
3 Red Sole 75 68 74 -6 8.5 -
4 Secret Giver 70 75 75 ✓ Match 6.0 -
5 Double Martini 74 74 78 -4 6.0 -
6 Banzai Pipeline 71 62 86 -24 0.0 -
7 Rodriguez 74 69 88 -19 0.0 -
8 Imposing 96 107 86 +21 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