Official NHA Assessment

Race 5: R20 000 1ST DEPOSIT MATCH CLASS 4 (F & M) (For Fillies & Mares. Benchmark at 60.0kg = 82)

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Line Horse
La Landonne
Reference for assessment
Exact Matches
2 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
2 / 12
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    La Landonne          2    58.5    1    0.00     0.0   83    83           83    +0
2    Past Is Prologue     3    59.5    2    1.05     1.5   81    86           86    +5
3    Captain's Pride      2    57.5    3    1.85     0.0   81    84           84    +3
4    Sign Of Fate         4    52.5    4    3.55     0.5   75    71           71    -4
5    Gorgeous Girl        4    58.0    5    4.25     0.5   78    82           82    +4
6    Oklahoma Girl        3    53.5    6    5.15     1.5   76    70           70    -6
7    Greenhouse           3    53.0    7    5.65     1.5   73    69           69    -4
8    Alltheboysiveloved   3    60.5    8    8.05     1.5   83    84           84    +1
9    Happy Fortune        3    61.0    9    9.15     1.5   84    85           85    +1
10   Bella Valentina      3    56.0    10   11.35    1.5   78    75           75    -3
11   Mrsglittersparkles   2    58.0    11   13.55    0.0   82    82           82    +0
99   Thought Control      3    54.5    99   0.00     1.5   -     72           72    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 La Landonne Line 83 83 83 ✓ Match 0.0
2 Past Is Prologue 81 81 86 -5 1.5 -
3 Captain's Pride 81 81 84 -3 0.0 -
4 Sign Of Fate 75 75 71 +4 0.5 -
5 Gorgeous Girl 78 78 82 -4 0.5 -
6 Oklahoma Girl 76 76 70 +6 1.5 -
7 Greenhouse 73 73 69 +4 1.5 -
8 Alltheboysiveloved 83 83 84 -1 1.5 -
9 Happy Fortune 84 84 85 -1 1.5 -
10 Bella Valentina 78 78 75 +3 1.5 -
11 Mrsglittersparkles 82 82 82 ✓ Match 0.0 -
99 Thought Control - 78 72 +6 1.5 -
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