Official NHA Assessment

Race 7: PLAY SOCCER 6, 10 AND 13 PINNACLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Heartsease
Reference for assessment
Exact Matches
0 / 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    Ideal Angel          5    61.0    1    0.00     0.0   96    96           96    +0
2    Golightly            4    56.5    2    1.25     2.5   83    88           88    +5
3    Heartsease           3    55.0    3    1.50     5.0   79    79           79    +0
4    Opera Swing          4    52.0    4    2.75     2.5   60    76           76    +16
5    Masters Queen        3    52.0    5    4.00     5.0   68    70           70    +2
6    Aerial View          3    55.0    6    4.50     5.0   76    75           75    -1
7    River Cafe           4    53.5    7    12.75    2.5   74    76           76    +2
8    Respectable Miss     4    53.5    8    12.85    2.5   75    76           76    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ideal Angel 96 94 96 -2 0.0 -
2 Golightly 83 84 88 -4 2.5 -
3 Heartsease Line 79 73 79 -6 5.0
4 Opera Swing 60 82 76 +6 2.5 -
5 Masters Queen 68 56 70 -14 5.0 -
6 Aerial View 76 82 75 +7 5.0 -
7 River Cafe 74 74 76 -2 2.5 -
8 Respectable Miss 75 50 76 -26 2.5 -
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