Official NHA Assessment

Race 7: GOLD CIRCLE RACING YOUTUBE CHANNEL FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Toto
Reference for assessment
Exact Matches
0 / 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    Toto                 4    59.0    1    0.00     10.0  76    76           76    +0
2    Princess Tea         3    57.0    2    1.05     8.5   72    75           75    +3
3    Mvulazana            3    57.0    3    1.65     8.5   72    75           75    +3
4    Boldly Go            4    61.0    4    2.95     10.0  80    80           80    +0
5    Corner Crusade       3    53.5    5    3.35     8.5   70    68           68    -2
6    Second Breath        2    53.5    6    3.75     5.5   76    74           74    -2
7    Magna Mater          3    57.0    7    3.95     8.5   75    75           75    +0
8    Star Choice          5    57.0    8    4.25     0.0   72    92           92    +20
9    Arctic Princess      5    56.0    9    5.15     0.0   70    90           90    +20
10   Girl Of Tregunter    2    56.5    10   6.25     5.5   82    80           80    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Toto Line 76 79 76 +3 10.0
2 Princess Tea 72 77 75 +2 8.5 -
3 Mvulazana 72 82 75 +7 8.5 -
4 Boldly Go 80 79 80 -1 10.0 -
5 Corner Crusade 70 52 68 -16 8.5 -
6 Second Breath 76 79 74 +5 5.5 -
7 Magna Mater 75 62 75 -13 8.5 -
8 Star Choice 72 77 92 -15 0.0 -
9 Arctic Princess 70 66 90 -24 0.0 -
10 Girl Of Tregunter 82 63 80 -17 5.5 -
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