Official NHA Assessment

Race 5: GALLOP TV FM 75 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Givers Grace
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
6 / 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    African Beat         4    58.5    1    0.00     3.5   86    79           86    +0
2    Givers Grace         2    54.0    2    1.50     0.0   80    80           80    +0
3    Conchita             4    52.0    3    2.40     3.5   58    68           68    +10
4    Escapologist         5    58.5    4    2.90     0.0   73    88           88    +15
5    Aquae Sulis          5    55.0    5    3.40     0.0   70    80           80    +10
6    Flower Festival      4    52.0    6    4.60     3.5   72    66           66    -6
7    Family Favourite     3    60.0    7    6.20     7.0   75    75           75    +0
99   Jollification        3    58.0    99   0.00     7.0   -     71           71    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 African Beat 86 91 86 +5 3.5 -
2 Givers Grace Line 80 61 80 -19 0.0
3 Conchita 58 56 68 -12 3.5 -
4 Escapologist 73 77 88 -11 0.0 -
5 Aquae Sulis 70 69 80 -11 0.0 -
6 Flower Festival 72 70 66 +4 3.5 -
7 Family Favourite 75 69 75 -6 7.0 -
99 Jollification - 77 71 +6 7.0 -
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