Official NHA Assessment

Race 8: RACEHORSE OWNERS ASSOCIATION MR 75 HANDICAP (Open)

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Line Horse
Pontiac
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 10
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    Var Park             5    60.0    1    0.00     0.0   75    85           75    +0
2    Cityscape            2    52.0    2    1.40     3.5   58    62           62    +4
3    Pontiac              3    62.0    3    1.70     5.0   79    79           79    +0
4    War Queen            2    55.0    4    2.10     3.5   80    68           70    -10
5    Tre Amici            2    54.5    5    2.60     3.5   64    67           67    +3
6    Inafix               4    59.0    6    3.50     6.0   80    71           71    -9
7    Empress Game         3    56.5    7    4.75     5.0   68    68           68    +0
8    Beaded Gown          3    55.0    8    7.00     5.0   65    65           65    +0
9    Herecomestherain     4    58.5    9    10.00    6.0   75    70           70    -5
10   Kalahari Blue        2    60.0    10   99.99    3.5   75    78           78    +3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Var Park 75 87 75 +12 0.0 -
2 Cityscape 58 70 62 +8 3.5 -
3 Pontiac Line 79 79 79 ✓ Match 5.0
4 War Queen 80 84 70 +14 3.5 -
5 Tre Amici 64 64 67 -3 3.5 -
6 Inafix 80 69 71 -2 6.0 -
7 Empress Game 68 61 68 -7 5.0 -
8 Beaded Gown 65 58 65 -7 5.0 -
9 Herecomestherain 75 55 70 -15 6.0 -
10 Kalahari Blue 75 75 78 -3 3.5 -
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